* window.c: Fix last fix.
[bpt/emacs.git] / doc / lispref / vol2.texi
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1\input texinfo @c -*-texinfo-*-
2@c This file is used for printing the GNU Emacs Lisp Reference Manual
3@c in two volumes. It is a modified version of elisp.texi.
7497ef13 4@c Copyright (C) 1990-1995, 1998-1999, 2001-2012
561c0216 5@c Free Software Foundation, Inc.
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6@c %**start of header
7@setfilename elisp
8@settitle GNU Emacs Lisp Reference Manual: Volume 2
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9@c %**end of header
10
c85c5553 11@c See two-volume-cross-refs.txt.
cddd92e8 12@tex
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13\message{Formatting for two volume edition...Volume 2...}
14%
15% Read special toc file, set up in two-volume.make.
16\gdef\tocreadfilename{elisp2-toc-ready.toc}
17%
18% Don't make outlines, they're not needed and \readdatafile can't pay
19% attention to the special definition above.
20\global\let\pdfmakeoutlines=\relax
21%
22% Start volume 2 chapter numbering at 27; this must be listed as chapno26
23\global\chapno=26
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24@end tex
25
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26@c Version of the manual and of Emacs.
27@c Please remember to update the edition number in README as well.
e45e90b3 28@set VERSION 3.0
f7a31f11 29@include emacsver.texi
e45e90b3 30@set DATE July 2009
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32@dircategory Emacs
33@direntry
34* Elisp: (elisp). The Emacs Lisp Reference Manual.
35@end direntry
cddd92e8 36
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37@c in general, keep the following line commented out, unless doing a
38@c copy of this manual that will be published. the manual should go
39@c onto the distribution in the full, 8.5 x 11" size.
40@set smallbook
cddd92e8 41
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42@ifset smallbook
43@smallbook
44@end ifset
cddd92e8 45
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46@c per rms and peterb, use 10pt fonts for the main text, mostly to
47@c save on paper cost.
48@c Do this inside @tex for now, so current makeinfo does not complain.
49@tex
50@ifset smallbook
51@fonttextsize 10
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52\global\let\urlcolor=\Black % don't print links in grayscale
53\global\let\linkcolor=\Black
54@end ifset
55\global\hbadness=6666 % don't worry about not-too-underfull boxes
cddd92e8 56@end tex
cddd92e8 57
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58@c Combine indices.
59@synindex cp fn
60@syncodeindex vr fn
61@syncodeindex ky fn
62@syncodeindex pg fn
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63@c We use the "type index" to index new functions and variables.
64@c @syncodeindex tp fn
65
66@copying
67This is edition @value{VERSION} of the GNU Emacs Lisp Reference Manual,@*
68corresponding to Emacs version @value{EMACSVER}.
69
7497ef13 70Copyright @copyright{} 1990-1996, 1998-2012 Free Software Foundation, Inc.
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71
72@quotation
73Permission is granted to copy, distribute and/or modify this document
204d4665 74under the terms of the GNU Free Documentation License, Version 1.3 or
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75any later version published by the Free Software Foundation; with the
76Invariant Sections being ``GNU General Public License,'' with the
77Front-Cover texts being ``A GNU Manual,'' and with the Back-Cover
78Texts as in (a) below. A copy of the license is included in the
79section entitled ``GNU Free Documentation License.''
80
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81(a) The FSF's Back-Cover Text is: ``You have the freedom to copy and
82modify this GNU manual. Buying copies from the FSF supports it in
8d2ff239 83developing GNU and promoting software freedom.''
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84@end quotation
85@end copying
86
cddd92e8 87@titlepage
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88@title GNU Emacs Lisp Reference Manual
89@subtitle Volume 2
90@subtitle For Emacs Version @value{EMACSVER}
e45e90b3 91@subtitle Revision @value{VERSION}, @value{DATE}
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92
93@author by Bil Lewis, Dan LaLiberte, Richard Stallman
94@author and the GNU Manual Group
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95@page
96@vskip 0pt plus 1filll
c85c5553 97@insertcopying
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98
99@sp 2
100Published by the Free Software Foundation @*
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10151 Franklin St, Fifth Floor @*
102Boston, MA 02110-1301 @*
103USA @*
104ISBN 1-882114-74-4
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105
106@sp 2
107Cover art by Etienne Suvasa.
108@end titlepage
cddd92e8 109
cddd92e8 110
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111@c Print the tables of contents
112@summarycontents
113@contents
114
115
116@ifnottex
117@node Top, Introduction, (dir), (dir)
118@top Emacs Lisp
119
120This Info file contains edition @value{VERSION} of the GNU Emacs Lisp
121Reference Manual, corresponding to GNU Emacs version @value{EMACSVER}.
122@end ifnottex
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123
124@menu
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125* Introduction:: Introduction and conventions used.
126
127* Lisp Data Types:: Data types of objects in Emacs Lisp.
128* Numbers:: Numbers and arithmetic functions.
129* Strings and Characters:: Strings, and functions that work on them.
130* Lists:: Lists, cons cells, and related functions.
131* Sequences Arrays Vectors:: Lists, strings and vectors are called sequences.
132 Certain functions act on any kind of sequence.
133 The description of vectors is here as well.
c85c5553 134* Hash Tables:: Very fast lookup-tables.
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135* Symbols:: Symbols represent names, uniquely.
136
137* Evaluation:: How Lisp expressions are evaluated.
138* Control Structures:: Conditionals, loops, nonlocal exits.
139* Variables:: Using symbols in programs to stand for values.
140* Functions:: A function is a Lisp program
141 that can be invoked from other functions.
142* Macros:: Macros are a way to extend the Lisp language.
c85c5553 143* Customization:: Writing customization declarations.
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144
145* Loading:: Reading files of Lisp code into Lisp.
146* Byte Compilation:: Compilation makes programs run faster.
c85c5553 147* Advising Functions:: Adding to the definition of a function.
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148* Debugging:: Tools and tips for debugging Lisp programs.
149
150* Read and Print:: Converting Lisp objects to text and back.
151* Minibuffers:: Using the minibuffer to read input.
152* Command Loop:: How the editor command loop works,
153 and how you can call its subroutines.
154* Keymaps:: Defining the bindings from keys to commands.
155* Modes:: Defining major and minor modes.
156* Documentation:: Writing and using documentation strings.
157
158* Files:: Accessing files.
159* Backups and Auto-Saving:: Controlling how backups and auto-save
160 files are made.
161* Buffers:: Creating and using buffer objects.
162* Windows:: Manipulating windows and displaying buffers.
d24880de 163* Frames:: Making multiple system-level windows.
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164* Positions:: Buffer positions and motion functions.
165* Markers:: Markers represent positions and update
166 automatically when the text is changed.
167
168* Text:: Examining and changing text in buffers.
c85c5553 169* Non-ASCII Characters:: Non-ASCII text in buffers and strings.
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170* Searching and Matching:: Searching buffers for strings or regexps.
171* Syntax Tables:: The syntax table controls word and list parsing.
172* Abbrevs:: How Abbrev mode works, and its data structures.
173
174* Processes:: Running and communicating with subprocesses.
d24880de 175* Display:: Features for controlling the screen display.
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176* System Interface:: Getting the user id, system type, environment
177 variables, and other such things.
cddd92e8 178
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179* Packaging:: Preparing Lisp code for distribution.
180
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181Appendices
182
e45e90b3 183* Antinews:: Info for users downgrading to Emacs 22.
561c0216 184* GNU Free Documentation License:: The license for this documentation.
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185* GPL:: Conditions for copying and changing GNU Emacs.
186* Tips:: Advice and coding conventions for Emacs Lisp.
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187* GNU Emacs Internals:: Building and dumping Emacs;
188 internal data structures.
189* Standard Errors:: List of all error symbols.
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190* Standard Buffer-Local Variables::
191 List of variables buffer-local in all buffers.
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192* Standard Keymaps:: List of standard keymaps.
193* Standard Hooks:: List of standard hook variables.
194
195* Index:: Index including concepts, functions, variables,
196 and other terms.
197
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198@ignore
199* New Symbols:: New functions and variables in Emacs @value{EMACSVER}.
200@end ignore
201
202@c Do NOT modify the following 3 lines! They must have this form to
203@c be correctly identified by `texinfo-multiple-files-update'. In
204@c particular, the detailed menu header line MUST be identical to the
205@c value of `texinfo-master-menu-header'. See texnfo-upd.el.
206
207@detailmenu
208 --- The Detailed Node Listing ---
209 ---------------------------------
cddd92e8 210
91223e54 211Here are other nodes that are subnodes of those already listed,
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212mentioned here so you can get to them in one step:
213
214Introduction
215
216* Caveats:: Flaws and a request for help.
217* Lisp History:: Emacs Lisp is descended from Maclisp.
218* Conventions:: How the manual is formatted.
c85c5553 219* Version Info:: Which Emacs version is running?
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220* Acknowledgements:: The authors, editors, and sponsors of this manual.
221
222Conventions
223
224* Some Terms:: Explanation of terms we use in this manual.
225* nil and t:: How the symbols @code{nil} and @code{t} are used.
226* Evaluation Notation:: The format we use for examples of evaluation.
561c0216 227* Printing Notation:: The format we use when examples print text.
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228* Error Messages:: The format we use for examples of errors.
229* Buffer Text Notation:: The format we use for buffer contents in examples.
230* Format of Descriptions:: Notation for describing functions, variables, etc.
231
232Format of Descriptions
233
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234* A Sample Function Description:: A description of an imaginary
235 function, @code{foo}.
236* A Sample Variable Description:: A description of an imaginary
237 variable, @code{electric-future-map}.
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238
239Lisp Data Types
240
241* Printed Representation:: How Lisp objects are represented as text.
242* Comments:: Comments and their formatting conventions.
243* Programming Types:: Types found in all Lisp systems.
244* Editing Types:: Types specific to Emacs.
c85c5553 245* Circular Objects:: Read syntax for circular structure.
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246* Type Predicates:: Tests related to types.
247* Equality Predicates:: Tests of equality between any two objects.
248
249Programming Types
250
251* Integer Type:: Numbers without fractional parts.
252* Floating Point Type:: Numbers with fractional parts and with a large range.
253* Character Type:: The representation of letters, numbers and
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254 control characters.
255* Symbol Type:: A multi-use object that refers to a function,
561c0216 256 variable, or property list, and has a unique identity.
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257* Sequence Type:: Both lists and arrays are classified as sequences.
258* Cons Cell Type:: Cons cells, and lists (which are made from cons cells).
259* Array Type:: Arrays include strings and vectors.
260* String Type:: An (efficient) array of characters.
261* Vector Type:: One-dimensional arrays.
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262* Char-Table Type:: One-dimensional sparse arrays indexed by characters.
263* Bool-Vector Type:: One-dimensional arrays of @code{t} or @code{nil}.
264* Hash Table Type:: Super-fast lookup tables.
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265* Function Type:: A piece of executable code you can call from elsewhere.
266* Macro Type:: A method of expanding an expression into another
267 expression, more fundamental but less pretty.
268* Primitive Function Type:: A function written in C, callable from Lisp.
269* Byte-Code Type:: A function written in Lisp, then compiled.
270* Autoload Type:: A type used for automatically loading seldom-used
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271 functions.
272
273Character Type
cddd92e8 274
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275* Basic Char Syntax:: Syntax for regular characters.
276* General Escape Syntax:: How to specify characters by their codes.
277* Ctl-Char Syntax:: Syntax for control characters.
278* Meta-Char Syntax:: Syntax for meta-characters.
279* Other Char Bits:: Syntax for hyper-, super-, and alt-characters.
cddd92e8 280
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281Cons Cell and List Types
282
283* Box Diagrams:: Drawing pictures of lists.
561c0216 284* Dotted Pair Notation:: A general syntax for cons cells.
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285* Association List Type:: A specially constructed list.
286
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287String Type
288
289* Syntax for Strings:: How to specify Lisp strings.
290* Non-ASCII in Strings:: International characters in strings.
291* Nonprinting Characters:: Literal unprintable characters in strings.
292* Text Props and Strings:: Strings with text properties.
293
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294Editing Types
295
296* Buffer Type:: The basic object of editing.
cddd92e8 297* Marker Type:: A position in a buffer.
561c0216 298* Window Type:: Buffers are displayed in windows.
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299* Frame Type:: Windows subdivide frames.
300* Terminal Type:: A terminal device displays frames.
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301* Window Configuration Type:: Recording the way a frame is subdivided.
302* Frame Configuration Type:: Recording the status of all frames.
e45e90b3 303* Process Type:: A subprocess of Emacs running on the underlying OS.
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304* Stream Type:: Receive or send characters.
305* Keymap Type:: What function a keystroke invokes.
c85c5553 306* Overlay Type:: How an overlay is represented.
e45e90b3 307* Font Type:: Fonts for displaying text.
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308
309Numbers
310
c85c5553 311* Integer Basics:: Representation and range of integers.
d24880de 312* Float Basics:: Representation and range of floating point.
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313* Predicates on Numbers:: Testing for numbers.
314* Comparison of Numbers:: Equality and inequality predicates.
d24880de 315* Numeric Conversions:: Converting float to integer and vice versa.
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316* Arithmetic Operations:: How to add, subtract, multiply and divide.
317* Rounding Operations:: Explicitly rounding floating point numbers.
318* Bitwise Operations:: Logical and, or, not, shifting.
319* Math Functions:: Trig, exponential and logarithmic functions.
320* Random Numbers:: Obtaining random integers, predictable or not.
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321
322Strings and Characters
323
324* String Basics:: Basic properties of strings and characters.
325* Predicates for Strings:: Testing whether an object is a string or char.
326* Creating Strings:: Functions to allocate new strings.
c85c5553 327* Modifying Strings:: Altering the contents of an existing string.
cddd92e8 328* Text Comparison:: Comparing characters or strings.
561c0216 329* String Conversion:: Converting to and from characters and strings.
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330* Formatting Strings:: @code{format}: Emacs's analogue of @code{printf}.
331* Case Conversion:: Case conversion functions.
d24880de 332* Case Tables:: Customizing case conversion.
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333
334Lists
335
336* Cons Cells:: How lists are made out of cons cells.
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337* List-related Predicates:: Is this object a list? Comparing two lists.
338* List Elements:: Extracting the pieces of a list.
339* Building Lists:: Creating list structure.
c85c5553 340* List Variables:: Modifying lists stored in variables.
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341* Modifying Lists:: Storing new pieces into an existing list.
342* Sets And Lists:: A list can represent a finite mathematical set.
343* Association Lists:: A list can represent a finite relation or mapping.
c85c5553 344* Rings:: Managing a fixed-size ring of objects.
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345
346Modifying Existing List Structure
347
348* Setcar:: Replacing an element in a list.
349* Setcdr:: Replacing part of the list backbone.
350 This can be used to remove or add elements.
351* Rearrangement:: Reordering the elements in a list; combining lists.
352
353Sequences, Arrays, and Vectors
354
355* Sequence Functions:: Functions that accept any kind of sequence.
356* Arrays:: Characteristics of arrays in Emacs Lisp.
357* Array Functions:: Functions specifically for arrays.
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358* Vectors:: Special characteristics of Emacs Lisp vectors.
359* Vector Functions:: Functions specifically for vectors.
360* Char-Tables:: How to work with char-tables.
361* Bool-Vectors:: How to work with bool-vectors.
362
363Hash Tables
364
365* Creating Hash:: Functions to create hash tables.
366* Hash Access:: Reading and writing the hash table contents.
561c0216 367* Defining Hash:: Defining new comparison methods.
c85c5553 368* Other Hash:: Miscellaneous.
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369
370Symbols
371
372* Symbol Components:: Symbols have names, values, function definitions
373 and property lists.
374* Definitions:: A definition says how a symbol will be used.
375* Creating Symbols:: How symbols are kept unique.
376* Property Lists:: Each symbol has a property list
377 for recording miscellaneous information.
378
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379Property Lists
380
381* Plists and Alists:: Comparison of the advantages of property
382 lists and association lists.
383* Symbol Plists:: Functions to access symbols' property lists.
384* Other Plists:: Accessing property lists stored elsewhere.
385
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386Evaluation
387
388* Intro Eval:: Evaluation in the scheme of things.
cddd92e8 389* Forms:: How various sorts of objects are evaluated.
177c0ea7 390* Quoting:: Avoiding evaluation (to put constants in
cddd92e8 391 the program).
03988c98 392* Backquote:: Easier construction of list structure.
c85c5553 393* Eval:: How to invoke the Lisp interpreter explicitly.
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394
395Kinds of Forms
396
397* Self-Evaluating Forms:: Forms that evaluate to themselves.
398* Symbol Forms:: Symbols evaluate as variables.
399* Classifying Lists:: How to distinguish various sorts of list forms.
c85c5553 400* Function Indirection:: When a symbol appears as the car of a list,
d24880de 401 we find the real function via the symbol.
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402* Function Forms:: Forms that call functions.
403* Macro Forms:: Forms that call macros.
2b9fa4a7 404* Special Forms:: "Special forms" are idiosyncratic primitives,
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405 most of them extremely important.
406* Autoloading:: Functions set up to load files
407 containing their real definitions.
408
409Control Structures
410
411* Sequencing:: Evaluation in textual order.
c85c5553 412* Conditionals:: @code{if}, @code{cond}, @code{when}, @code{unless}.
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413* Combining Conditions:: @code{and}, @code{or}, @code{not}.
414* Iteration:: @code{while} loops.
415* Nonlocal Exits:: Jumping out of a sequence.
416
417Nonlocal Exits
418
419* Catch and Throw:: Nonlocal exits for the program's own purposes.
420* Examples of Catch:: Showing how such nonlocal exits can be written.
421* Errors:: How errors are signaled and handled.
422* Cleanups:: Arranging to run a cleanup form if an
423 error happens.
424
425Errors
426
427* Signaling Errors:: How to report an error.
428* Processing of Errors:: What Emacs does when you report an error.
429* Handling Errors:: How you can trap errors and continue execution.
430* Error Symbols:: How errors are classified for trapping them.
431
432Variables
433
434* Global Variables:: Variable values that exist permanently, everywhere.
435* Constant Variables:: Certain "variables" have values that never change.
436* Local Variables:: Variable values that exist only temporarily.
437* Void Variables:: Symbols that lack values.
438* Defining Variables:: A definition says a symbol is used as a variable.
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439* Tips for Defining:: Things you should think about when you
440 define a variable.
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441* Accessing Variables:: Examining values of variables whose names
442 are known only at run time.
443* Setting Variables:: Storing new values in variables.
444* Variable Scoping:: How Lisp chooses among local and global values.
445* Buffer-Local Variables:: Variable values in effect only in one buffer.
c85c5553 446* File Local Variables:: Handling local variable lists in files.
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447* Directory Local Variables:: Local variables common to all files in a
448 directory.
e45e90b3 449* Frame-Local Variables:: Frame-local bindings for variables.
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450* Variable Aliases:: Variables that are aliases for other variables.
451* Variables with Restricted Values:: Non-constant variables whose value can
452 @emph{not} be an arbitrary Lisp object.
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453
454Scoping Rules for Variable Bindings
455
177c0ea7 456* Scope:: Scope means where in the program a value
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457 is visible. Comparison with other languages.
458* Extent:: Extent means how long in time a value exists.
459* Impl of Scope:: Two ways to implement dynamic scoping.
177c0ea7 460* Using Scoping:: How to use dynamic scoping carefully and
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461 avoid problems.
462
463Buffer-Local Variables
464
465* Intro to Buffer-Local:: Introduction and concepts.
466* Creating Buffer-Local:: Creating and destroying buffer-local bindings.
467* Default Value:: The default value is seen in buffers
c85c5553 468 that don't have their own buffer-local values.
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469
470Functions
471
561c0216 472* What Is a Function:: Lisp functions vs. primitives; terminology.
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473* Lambda Expressions:: How functions are expressed as Lisp objects.
474* Function Names:: A symbol can serve as the name of a function.
475* Defining Functions:: Lisp expressions for defining functions.
476* Calling Functions:: How to use an existing function.
477* Mapping Functions:: Applying a function to each element of a list, etc.
561c0216 478* Anonymous Functions:: Lambda expressions are functions with no names.
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479* Function Cells:: Accessing or setting the function definition
480 of a symbol.
735cc5ca 481* Closures:: Functions that enclose a lexical environment.
c85c5553 482* Obsolete Functions:: Declaring functions obsolete.
d24880de 483* Inline Functions:: Defining functions that the compiler
561c0216 484 will open code.
d24880de 485* Declaring Functions:: Telling the compiler that a function is defined.
c85c5553 486* Function Safety:: Determining whether a function is safe to call.
cddd92e8 487* Related Topics:: Cross-references to specific Lisp primitives
177c0ea7 488 that have a special bearing on how
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489 functions work.
490
491Lambda Expressions
492
493* Lambda Components:: The parts of a lambda expression.
494* Simple Lambda:: A simple example.
495* Argument List:: Details and special features of argument lists.
496* Function Documentation:: How to put documentation in a function.
497
498Macros
499
500* Simple Macro:: A basic example.
501* Expansion:: How, when and why macros are expanded.
502* Compiling Macros:: How macros are expanded by the compiler.
503* Defining Macros:: How to write a macro definition.
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504* Problems with Macros:: Don't evaluate the macro arguments too many times.
505 Don't hide the user's variables.
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506* Indenting Macros:: Specifying how to indent macro calls.
507
508Common Problems Using Macros
509
510* Wrong Time:: Do the work in the expansion, not in the macro.
511* Argument Evaluation:: The expansion should evaluate each macro arg once.
512* Surprising Local Vars:: Local variable bindings in the expansion
513 require special care.
514* Eval During Expansion:: Don't evaluate them; put them in the expansion.
515* Repeated Expansion:: Avoid depending on how many times expansion is done.
516
517Writing Customization Definitions
518
519* Common Keywords:: Common keyword arguments for all kinds of
520 customization declarations.
521* Group Definitions:: Writing customization group definitions.
522* Variable Definitions:: Declaring user options.
523* Customization Types:: Specifying the type of a user option.
524
525Customization Types
526
527* Simple Types:: Simple customization types: sexp, integer, number,
528 string, file, directory, alist.
529* Composite Types:: Build new types from other types or data.
530* Splicing into Lists:: Splice elements into list with @code{:inline}.
531* Type Keywords:: Keyword-argument pairs in a customization type.
532* Defining New Types:: Give your type a name.
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533
534Loading
535
536* How Programs Do Loading:: The @code{load} function and others.
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537* Load Suffixes:: Details about the suffixes that @code{load} tries.
538* Library Search:: Finding a library to load.
539* Loading Non-ASCII:: Non-@acronym{ASCII} characters in Emacs Lisp files.
cddd92e8 540* Autoload:: Setting up a function to autoload.
cddd92e8 541* Repeated Loading:: Precautions about loading a file twice.
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542* Named Features:: Loading a library if it isn't already loaded.
543* Where Defined:: Finding which file defined a certain symbol.
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544* Unloading:: How to "unload" a library that was loaded.
545* Hooks for Loading:: Providing code to be run when
546 particular libraries are loaded.
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547
548Byte Compilation
549
c85c5553 550* Speed of Byte-Code:: An example of speedup from byte compilation.
cddd92e8 551* Compilation Functions:: Byte compilation functions.
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552* Docs and Compilation:: Dynamic loading of documentation strings.
553* Dynamic Loading:: Dynamic loading of individual functions.
554* Eval During Compile:: Code to be evaluated when you compile.
555* Compiler Errors:: Handling compiler error messages.
d24880de 556* Byte-Code Objects:: The data type used for byte-compiled functions.
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557* Disassembly:: Disassembling byte-code; how to read byte-code.
558
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559Advising Emacs Lisp Functions
560
561* Simple Advice:: A simple example to explain the basics of advice.
562* Defining Advice:: Detailed description of @code{defadvice}.
563* Around-Advice:: Wrapping advice around a function's definition.
564* Computed Advice:: ...is to @code{defadvice} as @code{fset} is to @code{defun}.
565* Activation of Advice:: Advice doesn't do anything until you activate it.
566* Enabling Advice:: You can enable or disable each piece of advice.
567* Preactivation:: Preactivation is a way of speeding up the
568 loading of compiled advice.
569* Argument Access in Advice:: How advice can access the function's arguments.
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570* Combined Definition:: How advice is implemented.
571
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572Debugging Lisp Programs
573
355cabc6 574* Debugger:: A debugger for the Emacs Lisp evaluator.
c85c5553 575* Edebug:: A source-level Emacs Lisp debugger.
cddd92e8 576* Syntax Errors:: How to find syntax errors.
c85c5553 577* Test Coverage:: Ensuring you have tested all branches in your code.
177c0ea7 578
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579The Lisp Debugger
580
581* Error Debugging:: Entering the debugger when an error happens.
d24880de 582* Infinite Loops:: Stopping and debugging a program that doesn't exit.
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583* Function Debugging:: Entering it when a certain function is called.
584* Explicit Debug:: Entering it at a certain point in the program.
585* Using Debugger:: What the debugger does; what you see while in it.
586* Debugger Commands:: Commands used while in the debugger.
587* Invoking the Debugger:: How to call the function @code{debug}.
588* Internals of Debugger:: Subroutines of the debugger, and global variables.
589
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590Edebug
591
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592* Using Edebug:: Introduction to use of Edebug.
593* Instrumenting:: You must instrument your code
594 in order to debug it with Edebug.
c85c5553 595* Edebug Execution Modes:: Execution modes, stopping more or less often.
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596* Jumping:: Commands to jump to a specified place.
597* Edebug Misc:: Miscellaneous commands.
598* Breaks:: Setting breakpoints to make the program stop.
599* Trapping Errors:: Trapping errors with Edebug.
600* Edebug Views:: Views inside and outside of Edebug.
601* Edebug Eval:: Evaluating expressions within Edebug.
602* Eval List:: Expressions whose values are displayed
603 each time you enter Edebug.
604* Printing in Edebug:: Customization of printing.
605* Trace Buffer:: How to produce trace output in a buffer.
606* Coverage Testing:: How to test evaluation coverage.
607* The Outside Context:: Data that Edebug saves and restores.
c85c5553 608* Edebug and Macros:: Specifying how to handle macro calls.
d24880de 609* Edebug Options:: Option variables for customizing Edebug.
c85c5553 610
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611Breaks
612
613* Breakpoints:: Breakpoints at stop points.
614* Global Break Condition:: Breaking on an event.
615* Source Breakpoints:: Embedding breakpoints in source code.
616
617The Outside Context
618
619* Checking Whether to Stop::When Edebug decides what to do.
620* Edebug Display Update:: When Edebug updates the display.
621* Edebug Recursive Edit:: When Edebug stops execution.
622
623Edebug and Macros
624
625* Instrumenting Macro Calls::The basic problem.
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626* Specification List:: How to specify complex patterns of evaluation.
627* Backtracking:: What Edebug does when matching fails.
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628* Specification Examples:: To help understand specifications.
629
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630Debugging Invalid Lisp Syntax
631
632* Excess Open:: How to find a spurious open paren or missing close.
633* Excess Close:: How to find a spurious close paren or missing open.
634
635Reading and Printing Lisp Objects
636
637* Streams Intro:: Overview of streams, reading and printing.
177c0ea7 638* Input Streams:: Various data types that can be used as
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639 input streams.
640* Input Functions:: Functions to read Lisp objects from text.
177c0ea7 641* Output Streams:: Various data types that can be used as
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642 output streams.
643* Output Functions:: Functions to print Lisp objects as text.
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644* Output Variables:: Variables that control what the printing
645 functions do.
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646
647Minibuffers
648
649* Intro to Minibuffers:: Basic information about minibuffers.
650* Text from Minibuffer:: How to read a straight text string.
651* Object from Minibuffer:: How to read a Lisp object or expression.
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652* Minibuffer History:: Recording previous minibuffer inputs
653 so the user can reuse them.
c85c5553 654* Initial Input:: Specifying initial contents for the minibuffer.
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655* Completion:: How to invoke and customize completion.
656* Yes-or-No Queries:: Asking a question with a simple answer.
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657* Multiple Queries:: Asking a series of similar questions.
658* Reading a Password:: Reading a password from the terminal.
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659* Minibuffer Commands:: Commands used as key bindings in minibuffers.
660* Minibuffer Contents:: How such commands access the minibuffer text.
661* Minibuffer Windows:: Operating on the special minibuffer windows.
662* Recursive Mini:: Whether recursive entry to minibuffer is allowed.
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663* Minibuffer Misc:: Various customization hooks and variables.
664
665Completion
666
667* Basic Completion:: Low-level functions for completing strings.
668 (These are too low level to use the minibuffer.)
669* Minibuffer Completion:: Invoking the minibuffer with completion.
670* Completion Commands:: Minibuffer commands that do completion.
671* High-Level Completion:: Convenient special cases of completion
a3cb6daa 672 (reading buffer name, file name, etc.).
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673* Reading File Names:: Using completion to read file names and
674 shell commands.
675* Completion Styles:: Specifying rules for performing completion.
561c0216 676* Programmed Completion:: Writing your own completion-function.
60236b0d 677* Completion in Buffers:: Completing text in ordinary buffers.
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678
679Command Loop
680
681* Command Overview:: How the command loop reads commands.
682* Defining Commands:: Specifying how a function should read arguments.
683* Interactive Call:: Calling a command, so that it will read arguments.
e45e90b3 684* Distinguish Interactive:: Making a command distinguish interactive calls.
cddd92e8 685* Command Loop Info:: Variables set by the command loop for you to examine.
c85c5553 686* Adjusting Point:: Adjustment of point after a command.
d24880de 687* Input Events:: What input looks like when you read it.
cddd92e8 688* Reading Input:: How to read input events from the keyboard or mouse.
c85c5553 689* Special Events:: Events processed immediately and individually.
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690* Waiting:: Waiting for user input or elapsed time.
691* Quitting:: How @kbd{C-g} works. How to catch or defer quitting.
692* Prefix Command Arguments:: How the commands to set prefix args work.
693* Recursive Editing:: Entering a recursive edit,
694 and why you usually shouldn't.
695* Disabling Commands:: How the command loop handles disabled commands.
696* Command History:: How the command history is set up, and how accessed.
697* Keyboard Macros:: How keyboard macros are implemented.
698
699Defining Commands
700
701* Using Interactive:: General rules for @code{interactive}.
702* Interactive Codes:: The standard letter-codes for reading arguments
703 in various ways.
704* Interactive Examples:: Examples of how to read interactive arguments.
705
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706Input Events
707
708* Keyboard Events:: Ordinary characters--keys with symbols on them.
709* Function Keys:: Function keys--keys with names, not symbols.
710* Mouse Events:: Overview of mouse events.
711* Click Events:: Pushing and releasing a mouse button.
712* Drag Events:: Moving the mouse before releasing the button.
713* Button-Down Events:: A button was pushed and not yet released.
714* Repeat Events:: Double and triple click (or drag, or down).
715* Motion Events:: Just moving the mouse, not pushing a button.
716* Focus Events:: Moving the mouse between frames.
717* Misc Events:: Other events the system can generate.
718* Event Examples:: Examples of the lists for mouse events.
719* Classifying Events:: Finding the modifier keys in an event symbol.
561c0216 720 Event types.
d24880de 721* Accessing Mouse:: Functions to extract info from mouse events.
e45e90b3 722* Accessing Scroll:: Functions to get info from scroll bar events.
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723* Strings of Events:: Special considerations for putting
724 keyboard character events in a string.
725
726Reading Input
727
728* Key Sequence Input:: How to read one key sequence.
729* Reading One Event:: How to read just one event.
730* Event Mod:: How Emacs modifies events as they are read.
731* Invoking the Input Method:: How reading an event uses the input method.
732* Quoted Character Input:: Asking the user to specify a character.
733* Event Input Misc:: How to reread or throw away input events.
734
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735Keymaps
736
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737* Key Sequences:: Key sequences as Lisp objects.
738* Keymap Basics:: Basic concepts of keymaps.
739* Format of Keymaps:: What a keymap looks like as a Lisp object.
740* Creating Keymaps:: Functions to create and copy keymaps.
741* Inheritance and Keymaps:: How one keymap can inherit the bindings
742 of another keymap.
743* Prefix Keys:: Defining a key with a keymap as its definition.
744* Active Keymaps:: How Emacs searches the active keymaps
745 for a key binding.
746* Searching Keymaps:: A pseudo-Lisp summary of searching active maps.
747* Controlling Active Maps:: Each buffer has a local keymap
748 to override the standard (global) bindings.
749 A minor mode can also override them.
561c0216 750* Key Lookup:: Finding a key's binding in one keymap.
cddd92e8 751* Functions for Key Lookup:: How to request key lookup.
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752* Changing Key Bindings:: Redefining a key in a keymap.
753* Remapping Commands:: A keymap can translate one command to another.
754* Translation Keymaps:: Keymaps for translating sequences of events.
755* Key Binding Commands:: Interactive interfaces for redefining keys.
756* Scanning Keymaps:: Looking through all keymaps, for printing help.
561c0216 757* Menu Keymaps:: Defining a menu as a keymap.
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758
759Menu Keymaps
760
761* Defining Menus:: How to make a keymap that defines a menu.
762* Mouse Menus:: How users actuate the menu with the mouse.
763* Keyboard Menus:: How users actuate the menu with the keyboard.
764* Menu Example:: Making a simple menu.
765* Menu Bar:: How to customize the menu bar.
766* Tool Bar:: A tool bar is a row of images.
767* Modifying Menus:: How to add new items to a menu.
768
769Defining Menus
770
771* Simple Menu Items:: A simple kind of menu key binding,
772 limited in capabilities.
773* Extended Menu Items:: More powerful menu item definitions
774 let you specify keywords to enable
775 various features.
776* Menu Separators:: Drawing a horizontal line through a menu.
777* Alias Menu Items:: Using command aliases in menu items.
778
779Major and Minor Modes
780
781* Hooks:: How to use hooks; how to write code that provides hooks.
782* Major Modes:: Defining major modes.
783* Minor Modes:: Defining minor modes.
784* Mode Line Format:: Customizing the text that appears in the mode line.
3fd50d5c 785* Imenu:: Providing a menu of definitions made in a buffer.
c85c5553 786* Font Lock Mode:: How modes can highlight text according to syntax.
4230351b 787* Auto-Indentation:: How to teach Emacs to indent for a major mode.
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788* Desktop Save Mode:: How modes can have buffer state saved between
789 Emacs sessions.
cddd92e8 790
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791Hooks
792
793* Running Hooks:: How to run a hook.
794* Setting Hooks:: How to put functions on a hook, or remove them.
795
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796Major Modes
797
798* Major Mode Conventions:: Coding conventions for keymaps, etc.
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799* Auto Major Mode:: How Emacs chooses the major mode automatically.
800* Mode Help:: Finding out how to use a mode.
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801* Derived Modes:: Defining a new major mode based on another major
802 mode.
3fd50d5c 803* Basic Major Modes:: Modes that other modes are often derived from.
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804* Mode Hooks:: Hooks run at the end of major mode commands.
805* Tabulated List Mode:: Parent mode for buffers containing tabulated data.
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806* Generic Modes:: Defining a simple major mode that supports
807 comment syntax and Font Lock mode.
561c0216 808* Example Major Modes:: Text mode and Lisp modes.
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809
810Minor Modes
811
812* Minor Mode Conventions:: Tips for writing a minor mode.
813* Keymaps and Minor Modes:: How a minor mode can have its own keymap.
c85c5553 814* Defining Minor Modes:: A convenient facility for defining minor modes.
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815
816Mode Line Format
817
561c0216 818* Mode Line Basics:: Basic ideas of mode line control.
cddd92e8 819* Mode Line Data:: The data structure that controls the mode line.
561c0216 820* Mode Line Top:: The top level variable, mode-line-format.
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821* Mode Line Variables:: Variables used in that data structure.
822* %-Constructs:: Putting information into a mode line.
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823* Properties in Mode:: Using text properties in the mode line.
824* Header Lines:: Like a mode line, but at the top.
825* Emulating Mode Line:: Formatting text as the mode line would.
826
827Font Lock Mode
828
829* Font Lock Basics:: Overview of customizing Font Lock.
830* Search-based Fontification:: Fontification based on regexps.
831* Customizing Keywords:: Customizing search-based fontification.
832* Other Font Lock Variables:: Additional customization facilities.
833* Levels of Font Lock:: Each mode can define alternative levels
834 so that the user can select more or less.
835* Precalculated Fontification:: How Lisp programs that produce the buffer
836 contents can also specify how to fontify it.
837* Faces for Font Lock:: Special faces specifically for Font Lock.
838* Syntactic Font Lock:: Fontification based on syntax tables.
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839* Multiline Font Lock:: How to coerce Font Lock into properly
840 highlighting multiline constructs.
841
842Multiline Font Lock Constructs
843
561c0216 844* Font Lock Multiline:: Marking multiline chunks with a text property.
bc3bea9c 845* Region to Refontify:: Controlling which region gets refontified
c85c5553 846 after a buffer change.
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847
848Documentation
849
8376d7c2 850* Documentation Basics:: Where doc strings are defined and stored.
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851* Accessing Documentation:: How Lisp programs can access doc strings.
852* Keys in Documentation:: Substituting current key bindings.
853* Describing Characters:: Making printable descriptions of
854 non-printing characters and key sequences.
855* Help Functions:: Subroutines used by Emacs help facilities.
856
857Files
858
859* Visiting Files:: Reading files into Emacs buffers for editing.
860* Saving Buffers:: Writing changed buffers back into files.
561c0216 861* Reading from Files:: Reading files into buffers without visiting.
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862* Writing to Files:: Writing new files from parts of buffers.
863* File Locks:: Locking and unlocking files, to prevent
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864 simultaneous editing by two people.
865* Information about Files:: Testing existence, accessibility, size of files.
a59225b1 866* Changing Files:: Renaming files, changing permissions, etc.
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867* File Names:: Decomposing and expanding file names.
868* Contents of Directories:: Getting a list of the files in a directory.
d24880de 869* Create/Delete Dirs:: Creating and Deleting Directories.
a59225b1 870* Magic File Names:: Special handling for certain file names.
c85c5553 871* Format Conversion:: Conversion to and from various file formats.
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872
873Visiting Files
874
875* Visiting Functions:: The usual interface functions for visiting.
876* Subroutines of Visiting:: Lower-level subroutines that they use.
877
878Information about Files
879
880* Testing Accessibility:: Is a given file readable? Writable?
c85c5553 881* Kinds of Files:: Is it a directory? A symbolic link?
d24880de 882* Truenames:: Eliminating symbolic links from a file name.
cddd92e8 883* File Attributes:: How large is it? Any other names? Etc.
c85c5553 884* Locating Files:: How to find a file in standard places.
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885
886File Names
887
888* File Name Components:: The directory part of a file name, and the rest.
561c0216 889* Relative File Names:: Some file names are relative to a current directory.
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890* Directory Names:: A directory's name as a directory
891 is different from its name as a file.
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892* File Name Expansion:: Converting relative file names to absolute ones.
893* Unique File Names:: Generating names for temporary files.
894* File Name Completion:: Finding the completions for a given file name.
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895* Standard File Names:: If your package uses a fixed file name,
896 how to handle various operating systems simply.
cddd92e8 897
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898File Format Conversion
899
a3cb6daa 900* Format Conversion Overview:: @code{insert-file-contents} and @code{write-region}.
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901* Format Conversion Round-Trip:: Using @code{format-alist}.
902* Format Conversion Piecemeal:: Specifying non-paired conversion.
903
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904Backups and Auto-Saving
905
177c0ea7 906* Backup Files:: How backup files are made; how their names
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907 are chosen.
908* Auto-Saving:: How auto-save files are made; how their
909 names are chosen.
177c0ea7 910* Reverting:: @code{revert-buffer}, and how to customize
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911 what it does.
912
913Backup Files
914
915* Making Backups:: How Emacs makes backup files, and when.
177c0ea7 916* Rename or Copy:: Two alternatives: renaming the old file
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917 or copying it.
918* Numbered Backups:: Keeping multiple backups for each source file.
919* Backup Names:: How backup file names are computed; customization.
920
921Buffers
922
923* Buffer Basics:: What is a buffer?
c85c5553 924* Current Buffer:: Designating a buffer as current
561c0216 925 so that primitives will access its contents.
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926* Buffer Names:: Accessing and changing buffer names.
927* Buffer File Name:: The buffer file name indicates which file
928 is visited.
929* Buffer Modification:: A buffer is @dfn{modified} if it needs to be saved.
930* Modification Time:: Determining whether the visited file was changed
c85c5553 931 ``behind Emacs's back''.
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932* Read Only Buffers:: Modifying text is not allowed in a
933 read-only buffer.
934* The Buffer List:: How to look at all the existing buffers.
935* Creating Buffers:: Functions that create buffers.
936* Killing Buffers:: Buffers exist until explicitly killed.
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937* Indirect Buffers:: An indirect buffer shares text with some
938 other buffer.
e45e90b3 939* Swapping Text:: Swapping text between two buffers.
c85c5553 940* Buffer Gap:: The gap in the buffer.
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941
942Windows
943
944* Basic Windows:: Basic information on using windows.
945* Splitting Windows:: Splitting one window into two windows.
946* Deleting Windows:: Deleting a window gives its space to other windows.
947* Selecting Windows:: The selected window is the one that you edit in.
948* Cyclic Window Ordering:: Moving around the existing windows.
949* Buffers and Windows:: Each window displays the contents of a buffer.
0e406a72 950* Switching Buffers:: Higher-level functions for switching to a buffer.
d24880de 951* Choosing Window:: How to choose a window for displaying a buffer.
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952* Display Action Functions:: Subroutines for @code{display-buffer}.
953* Choosing Window Options:: Extra options affecting how buffers are displayed.
0e406a72 954* Window History:: Each window remembers the buffers displayed in it.
d24880de 955* Dedicated Windows:: How to avoid displaying another buffer in
0e406a72 956 a specific window.
cddd92e8 957* Window Point:: Each window has its own location of point.
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958* Window Start and End:: Buffer positions indicating which text is
959 on-screen in a window.
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960* Textual Scrolling:: Moving text up and down through the window.
961* Vertical Scrolling:: Moving the contents up and down on the window.
962* Horizontal Scrolling:: Moving the contents sideways on the window.
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963* Size of Window:: Accessing the size of a window.
964* Resizing Windows:: Changing the size of a window.
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965* Coordinates and Windows:: Converting coordinates to windows.
966* Window Tree:: The layout and sizes of all windows in a frame.
cddd92e8 967* Window Configurations:: Saving and restoring the state of the screen.
e45e90b3 968* Window Parameters:: Associating additional information with windows.
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969* Window Hooks:: Hooks for scrolling, window size changes,
970 redisplay going past a certain point,
971 or window configuration changes.
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972
973Frames
974
d24880de 975* Creating Frames:: Creating additional frames.
e45e90b3 976* Multiple Terminals:: Displaying on several different devices.
d24880de 977* Frame Parameters:: Controlling frame size, position, font, etc.
e45e90b3 978* Terminal Parameters:: Parameters common for all frames on terminal.
cddd92e8 979* Frame Titles:: Automatic updating of frame titles.
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980* Deleting Frames:: Frames last until explicitly deleted.
981* Finding All Frames:: How to examine all existing frames.
982* Frames and Windows:: A frame contains windows;
983 display of text always works through windows.
cddd92e8 984* Minibuffers and Frames:: How a frame finds the minibuffer to use.
d24880de 985* Input Focus:: Specifying the selected frame.
cddd92e8 986* Visibility of Frames:: Frames may be visible or invisible, or icons.
c85c5553 987* Raising and Lowering:: Raising a frame makes it hide other windows;
d24880de 988 lowering it makes the others hide it.
cddd92e8 989* Frame Configurations:: Saving the state of all frames.
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990* Mouse Tracking:: Getting events that say when the mouse moves.
991* Mouse Position:: Asking where the mouse is, or moving it.
992* Pop-Up Menus:: Displaying a menu for the user to select from.
cddd92e8 993* Dialog Boxes:: Displaying a box to ask yes or no.
c85c5553 994* Pointer Shape:: Specifying the shape of the mouse pointer.
561c0216 995* Window System Selections::Transferring text to and from other X clients.
c85c5553 996* Drag and Drop:: Internals of Drag-and-Drop implementation.
d24880de 997* Color Names:: Getting the definitions of color names.
c85c5553 998* Text Terminal Colors:: Defining colors for text-only terminals.
d24880de 999* Resources:: Getting resource values from the server.
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1000* Display Feature Testing:: Determining the features of a terminal.
1001
1002Frame Parameters
1003
1004* Parameter Access:: How to change a frame's parameters.
d24880de 1005* Initial Parameters:: Specifying frame parameters when you make a frame.
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1006* Window Frame Parameters:: List of frame parameters for window systems.
1007* Size and Position:: Changing the size and position of a frame.
1008* Geometry:: Parsing geometry specifications.
1009
1010Window Frame Parameters
1011
1012* Basic Parameters:: Parameters that are fundamental.
1013* Position Parameters:: The position of the frame on the screen.
1014* Size Parameters:: Frame's size.
1015* Layout Parameters:: Size of parts of the frame, and
1016 enabling or disabling some parts.
1017* Buffer Parameters:: Which buffers have been or should be shown.
1018* Management Parameters:: Communicating with the window manager.
1019* Cursor Parameters:: Controlling the cursor appearance.
561c0216 1020* Font and Color Parameters:: Fonts and colors for the frame text.
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1021
1022Positions
1023
1024* Point:: The special position where editing takes place.
1025* Motion:: Changing point.
1026* Excursions:: Temporary motion and buffer changes.
1027* Narrowing:: Restricting editing to a portion of the buffer.
1028
1029Motion
1030
1031* Character Motion:: Moving in terms of characters.
1032* Word Motion:: Moving in terms of words.
1033* Buffer End Motion:: Moving to the beginning or end of the buffer.
1034* Text Lines:: Moving in terms of lines of text.
1035* Screen Lines:: Moving in terms of lines as displayed.
1036* List Motion:: Moving by parsing lists and sexps.
1037* Skipping Characters:: Skipping characters belonging to a certain set.
1038
1039Markers
1040
1041* Overview of Markers:: The components of a marker, and how it relocates.
1042* Predicates on Markers:: Testing whether an object is a marker.
1043* Creating Markers:: Making empty markers or markers at certain places.
561c0216 1044* Information from Markers::Finding the marker's buffer or character position.
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1045* Marker Insertion Types:: Two ways a marker can relocate when you
1046 insert where it points.
1047* Moving Markers:: Moving the marker to a new buffer or position.
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1048* The Mark:: How "the mark" is implemented with a marker.
1049* The Region:: How to access "the region".
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1050
1051Text
1052
1053* Near Point:: Examining text in the vicinity of point.
1054* Buffer Contents:: Examining text in a general fashion.
c85c5553 1055* Comparing Text:: Comparing substrings of buffers.
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1056* Insertion:: Adding new text to a buffer.
1057* Commands for Insertion:: User-level commands to insert text.
1058* Deletion:: Removing text from a buffer.
1059* User-Level Deletion:: User-level commands to delete text.
1060* The Kill Ring:: Where removed text sometimes is saved for
1061 later use.
1062* Undo:: Undoing changes to the text of a buffer.
c85c5553 1063* Maintaining Undo:: How to enable and disable undo information.
d24880de 1064 How to control how much information is kept.
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1065* Filling:: Functions for explicit filling.
1066* Margins:: How to specify margins for filling commands.
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1067* Adaptive Fill:: Adaptive Fill mode chooses a fill prefix
1068 from context.
1069* Auto Filling:: How auto-fill mode is implemented to break lines.
cddd92e8 1070* Sorting:: Functions for sorting parts of the buffer.
cddd92e8 1071* Columns:: Computing horizontal positions, and using them.
c85c5553 1072* Indentation:: Functions to insert or adjust indentation.
cddd92e8 1073* Case Changes:: Case conversion of parts of the buffer.
c85c5553 1074* Text Properties:: Assigning Lisp property lists to text characters.
cddd92e8 1075* Substitution:: Replacing a given character wherever it appears.
c85c5553 1076* Transposition:: Swapping two portions of a buffer.
cddd92e8
EZ
1077* Registers:: How registers are implemented. Accessing
1078 the text or position stored in a register.
c85c5553 1079* Base 64:: Conversion to or from base 64 encoding.
5f5e4ea1 1080* Checksum/Hash:: Computing "message digests"/"checksums"/"hashes".
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KB
1081* Atomic Changes:: Installing several buffer changes "atomically".
1082* Change Hooks:: Supplying functions to be run when text is changed.
177c0ea7 1083
cddd92e8
EZ
1084The Kill Ring
1085
1086* Kill Ring Concepts:: What text looks like in the kill ring.
1087* Kill Functions:: Functions that kill text.
c85c5553 1088* Yanking:: How yanking is done.
cddd92e8 1089* Yank Commands:: Commands that access the kill ring.
d24880de 1090* Low-Level Kill Ring:: Functions and variables for kill ring access.
561c0216 1091* Internals of Kill Ring:: Variables that hold kill ring data.
cddd92e8
EZ
1092
1093Indentation
1094
1095* Primitive Indent:: Functions used to count and insert indentation.
1096* Mode-Specific Indent:: Customize indentation for different modes.
1097* Region Indent:: Indent all the lines in a region.
1098* Relative Indent:: Indent the current line based on previous lines.
1099* Indent Tabs:: Adjustable, typewriter-like tab stops.
1100* Motion by Indent:: Move to first non-blank character.
1101
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1102Text Properties
1103
1104* Examining Properties:: Looking at the properties of one character.
d24880de
GM
1105* Changing Properties:: Setting the properties of a range of text.
1106* Property Search:: Searching for where a property changes value.
1107* Special Properties:: Particular properties with special meanings.
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KB
1108* Format Properties:: Properties for representing formatting of text.
1109* Sticky Properties:: How inserted text gets properties from
1110 neighboring text.
c85c5553
KB
1111* Lazy Properties:: Computing text properties in a lazy fashion
1112 only when text is examined.
1113* Clickable Text:: Using text properties to make regions of text
1114 do something when you click on them.
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KB
1115* Fields:: The @code{field} property defines
1116 fields within the buffer.
d24880de
GM
1117* Not Intervals:: Why text properties do not use
1118 Lisp-visible text intervals.
c85c5553 1119
561c0216 1120Non-@acronym{ASCII} Characters
c85c5553 1121
561c0216 1122* Text Representations:: How Emacs represents text.
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1123* Converting Representations:: Converting unibyte to multibyte and vice versa.
1124* Selecting a Representation:: Treating a byte sequence as unibyte or multi.
1125* Character Codes:: How unibyte and multibyte relate to
1126 codes of individual characters.
e45e90b3
GM
1127* Character Properties:: Character attributes that define their
1128 behavior and handling.
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1129* Character Sets:: The space of possible character codes
1130 is divided into various character sets.
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1131* Scanning Charsets:: Which character sets are used in a buffer?
1132* Translation of Characters:: Translation tables are used for conversion.
1133* Coding Systems:: Coding systems are conversions for saving files.
1134* Input Methods:: Input methods allow users to enter various
1135 non-ASCII characters without special keyboards.
1136* Locales:: Interacting with the POSIX locale.
1137
1138Coding Systems
1139
1140* Coding System Basics:: Basic concepts.
1141* Encoding and I/O:: How file I/O functions handle coding systems.
1142* Lisp and Coding Systems:: Functions to operate on coding system names.
1143* User-Chosen Coding Systems:: Asking the user to choose a coding system.
1144* Default Coding Systems:: Controlling the default choices.
1145* Specifying Coding Systems:: Requesting a particular coding system
1146 for a single file operation.
1147* Explicit Encoding:: Encoding or decoding text without doing I/O.
1148* Terminal I/O Encoding:: Use of encoding for terminal I/O.
1149* MS-DOS File Types:: How DOS "text" and "binary" files
1150 relate to coding systems.
1151
cddd92e8
EZ
1152Searching and Matching
1153
1154* String Search:: Search for an exact match.
c85c5553 1155* Searching and Case:: Case-independent or case-significant searching.
cddd92e8
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1156* Regular Expressions:: Describing classes of strings.
1157* Regexp Search:: Searching for a match for a regexp.
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KB
1158* POSIX Regexps:: Searching POSIX-style for the longest match.
1159* Match Data:: Finding out which part of the text matched,
1160 after a string or regexp search.
d24880de 1161* Search and Replace:: Commands that loop, searching and replacing.
cddd92e8 1162* Standard Regexps:: Useful regexps for finding sentences, pages,...
cddd92e8
EZ
1163
1164Regular Expressions
1165
1166* Syntax of Regexps:: Rules for writing regular expressions.
1167* Regexp Example:: Illustrates regular expression syntax.
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1168* Regexp Functions:: Functions for operating on regular expressions.
1169
1170Syntax of Regular Expressions
1171
1172* Regexp Special:: Special characters in regular expressions.
1173* Char Classes:: Character classes used in regular expressions.
1174* Regexp Backslash:: Backslash-sequences in regular expressions.
1175
1176The Match Data
1177
d24880de 1178* Replacing Match:: Replacing a substring that was matched.
c85c5553 1179* Simple Match Data:: Accessing single items of match data,
d24880de 1180 such as where a particular subexpression started.
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KB
1181* Entire Match Data:: Accessing the entire match data at once, as a list.
1182* Saving Match Data:: Saving and restoring the match data.
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EZ
1183
1184Syntax Tables
1185
c85c5553 1186* Syntax Basics:: Basic concepts of syntax tables.
cddd92e8
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1187* Syntax Descriptors:: How characters are classified.
1188* Syntax Table Functions:: How to create, examine and alter syntax tables.
c85c5553 1189* Syntax Properties:: Overriding syntax with text properties.
d24880de 1190* Motion and Syntax:: Moving over characters with certain syntaxes.
cddd92e8
EZ
1191* Parsing Expressions:: Parsing balanced expressions
1192 using the syntax table.
1193* Standard Syntax Tables:: Syntax tables used by various major modes.
1194* Syntax Table Internals:: How syntax table information is stored.
c85c5553 1195* Categories:: Another way of classifying character syntax.
cddd92e8
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1196
1197Syntax Descriptors
1198
1199* Syntax Class Table:: Table of syntax classes.
1200* Syntax Flags:: Additional flags each character can have.
1201
c85c5553
KB
1202Parsing Expressions
1203
1204* Motion via Parsing:: Motion functions that work by parsing.
1205* Position Parse:: Determining the syntactic state of a position.
1206* Parser State:: How Emacs represents a syntactic state.
1207* Low-Level Parsing:: Parsing across a specified region.
1208* Control Parsing:: Parameters that affect parsing.
1209
561c0216 1210Abbrevs and Abbrev Expansion
cddd92e8
EZ
1211
1212* Abbrev Mode:: Setting up Emacs for abbreviation.
c85c5553 1213* Abbrev Tables:: Creating and working with abbrev tables.
cddd92e8 1214* Defining Abbrevs:: Specifying abbreviations and their expansions.
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KB
1215* Abbrev Files:: Saving abbrevs in files.
1216* Abbrev Expansion:: Controlling expansion; expansion subroutines.
cddd92e8 1217* Standard Abbrev Tables:: Abbrev tables used by various major modes.
561c0216
GM
1218* Abbrev Properties:: How to read and set abbrev properties.
1219 Which properties have which effect.
1220* Abbrev Table Properties:: How to read and set abbrev table properties.
1221 Which properties have which effect.
cddd92e8
EZ
1222
1223Processes
1224
1225* Subprocess Creation:: Functions that start subprocesses.
c85c5553 1226* Shell Arguments:: Quoting an argument to pass it to a shell.
cddd92e8
EZ
1227* Synchronous Processes:: Details of using synchronous subprocesses.
1228* Asynchronous Processes:: Starting up an asynchronous subprocess.
1229* Deleting Processes:: Eliminating an asynchronous subprocess.
1230* Process Information:: Accessing run-status and other attributes.
1231* Input to Processes:: Sending input to an asynchronous subprocess.
1232* Signals to Processes:: Stopping, continuing or interrupting
1233 an asynchronous subprocess.
1234* Output from Processes:: Collecting output from an asynchronous subprocess.
1235* Sentinels:: Sentinels run when process run-status changes.
c85c5553 1236* Query Before Exit:: Whether to query if exiting will kill a process.
e45e90b3 1237* System Processes:: Accessing other processes running on your system.
c85c5553 1238* Transaction Queues:: Transaction-based communication with subprocesses.
cddd92e8 1239* Network:: Opening network connections.
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KB
1240* Network Servers:: Network servers let Emacs accept net connections.
1241* Datagrams:: UDP network connections.
1242* Low-Level Network:: Lower-level but more general function
1243 to create connections and servers.
561c0216
GM
1244* Misc Network:: Additional relevant functions for
1245 network connections.
e45e90b3 1246* Serial Ports:: Communicating with serial ports.
c85c5553 1247* Byte Packing:: Using bindat to pack and unpack binary data.
cddd92e8
EZ
1248
1249Receiving Output from Processes
1250
1251* Process Buffers:: If no filter, output is put in a buffer.
1252* Filter Functions:: Filter functions accept output from the process.
c85c5553 1253* Decoding Output:: Filters can get unibyte or multibyte strings.
cddd92e8
EZ
1254* Accepting Output:: How to wait until process output arrives.
1255
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KB
1256Low-Level Network Access
1257
561c0216
GM
1258* Network Processes:: Using @code{make-network-process}.
1259* Network Options:: Further control over network connections.
1260* Network Feature Testing:: Determining which network features work on
c85c5553
KB
1261 the machine you are using.
1262
1263Packing and Unpacking Byte Arrays
1264
1265* Bindat Spec:: Describing data layout.
1266* Bindat Functions:: Doing the unpacking and packing.
1267* Bindat Examples:: Samples of what bindat.el can do for you!
1268
1269Emacs Display
1270
1271* Refresh Screen:: Clearing the screen and redrawing everything on it.
1272* Forcing Redisplay:: Forcing redisplay.
1273* Truncation:: Folding or wrapping long text lines.
1274* The Echo Area:: Displaying messages at the bottom of the screen.
1275* Warnings:: Displaying warning messages for the user.
1276* Invisible Text:: Hiding part of the buffer text.
1277* Selective Display:: Hiding part of the buffer text (the old way).
1278* Temporary Displays:: Displays that go away automatically.
d24880de 1279* Overlays:: Use overlays to highlight parts of the buffer.
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1280* Width:: How wide a character or string is on the screen.
1281* Line Height:: Controlling the height of lines.
d24880de 1282* Faces:: A face defines a graphics style
c85c5553
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1283 for text characters: font, colors, etc.
1284* Fringes:: Controlling window fringes.
1285* Scroll Bars:: Controlling vertical scroll bars.
1286* Display Property:: Enabling special display features.
1287* Images:: Displaying images in Emacs buffers.
1288* Buttons:: Adding clickable buttons to Emacs buffers.
1289* Abstract Display:: Emacs' Widget for Object Collections.
1290* Blinking:: How Emacs shows the matching open parenthesis.
d24880de 1291* Usual Display:: The usual conventions for displaying
561c0216 1292 nonprinting chars.
d24880de 1293* Display Tables:: How to specify other conventions.
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KB
1294* Beeping:: Audible signal to the user.
1295* Window Systems:: Which window system is being used.
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CY
1296* Bidirectional Display:: Display of bidirectional scripts, such as
1297 Arabic and Farsi.
1298* Glyphless Chars:: How glyphless characters are drawn.
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KB
1299
1300The Echo Area
1301
1302* Displaying Messages:: Explicitly displaying text in the echo area.
1303* Progress:: Informing user about progress of a long operation.
1304* Logging Messages:: Echo area messages are logged for the user.
1305* Echo Area Customization:: Controlling the echo area.
1306
1307Reporting Warnings
1308
1309* Warning Basics:: Warnings concepts and functions to report them.
561c0216
GM
1310* Warning Variables:: Variables programs bind to customize
1311 their warnings.
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KB
1312* Warning Options:: Variables users set to control display of warnings.
1313
1314Overlays
1315
1316* Managing Overlays:: Creating and moving overlays.
1317* Overlay Properties:: How to read and set properties.
d24880de 1318 What properties do to the screen display.
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1319* Finding Overlays:: Searching for overlays.
1320
1321Faces
1322
1323* Defining Faces:: How to define a face with @code{defface}.
1324* Face Attributes:: What is in a face?
1325* Attribute Functions:: Functions to examine and set face attributes.
1326* Displaying Faces:: How Emacs combines the faces specified for
1327 a character.
e45e90b3 1328* Face Remapping:: Remapping faces to alternative definitions.
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KB
1329* Face Functions:: How to define and examine faces.
1330* Auto Faces:: Hook for automatic face assignment.
35137ed3 1331* Basic Faces:: Faces that are defined by default.
e45e90b3 1332* Font Selection:: Finding the best available font for a face.
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KB
1333* Font Lookup:: Looking up the names of available fonts
1334 and information about them.
1335* Fontsets:: A fontset is a collection of fonts
1336 that handle a range of character sets.
561c0216 1337* Low-Level Font:: Lisp representation for character display fonts.
c85c5553
KB
1338
1339Fringes
1340
1341* Fringe Size/Pos:: Specifying where to put the window fringes.
1342* Fringe Indicators:: Displaying indicator icons in the window fringes.
1343* Fringe Cursors:: Displaying cursors in the right fringe.
1344* Fringe Bitmaps:: Specifying bitmaps for fringe indicators.
1345* Customizing Bitmaps:: Specifying your own bitmaps to use in the fringes.
1346* Overlay Arrow:: Display of an arrow to indicate position.
1347
1348The @code{display} Property
1349
561c0216 1350* Replacing Specs:: Display specs that replace the text.
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KB
1351* Specified Space:: Displaying one space with a specified width.
1352* Pixel Specification:: Specifying space width or height in pixels.
61db307f
CY
1353* Other Display Specs:: Displaying an image; adjusting the height,
1354 spacing, and other properties of text.
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KB
1355* Display Margins:: Displaying text or images to the side of
1356 the main text.
1357
1358Images
1359
561c0216 1360* Image Formats:: Supported image formats.
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KB
1361* Image Descriptors:: How to specify an image for use in @code{:display}.
1362* XBM Images:: Special features for XBM format.
1363* XPM Images:: Special features for XPM format.
1364* GIF Images:: Special features for GIF format.
561c0216 1365* TIFF Images:: Special features for TIFF format.
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1366* PostScript Images:: Special features for PostScript format.
1367* Other Image Types:: Various other formats are supported.
1368* Defining Images:: Convenient ways to define an image for later use.
1369* Showing Images:: Convenient ways to display an image once
1370 it is defined.
eea14f31 1371* Animated Images:: Some image formats can be animated.
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KB
1372* Image Cache:: Internal mechanisms of image display.
1373
1374Buttons
1375
1376* Button Properties:: Button properties with special meanings.
1377* Button Types:: Defining common properties for classes of buttons.
1378* Making Buttons:: Adding buttons to Emacs buffers.
1379* Manipulating Buttons:: Getting and setting properties of buttons.
1380* Button Buffer Commands:: Buffer-wide commands and bindings for buttons.
1381
1382Abstract Display
1383
1384* Abstract Display Functions:: Functions in the Ewoc package.
1385* Abstract Display Example:: Example of using Ewoc.
1386
1387Display Tables
1388
1389* Display Table Format:: What a display table consists of.
1390* Active Display Table:: How Emacs selects a display table to use.
1391* Glyphs:: How to define a glyph, and what glyphs mean.
1392
cddd92e8
EZ
1393Operating System Interface
1394
561c0216 1395* Starting Up:: Customizing Emacs startup processing.
cddd92e8
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1396* Getting Out:: How exiting works (permanent or temporary).
1397* System Environment:: Distinguish the name and kind of system.
c85c5553 1398* User Identification:: Finding the name and user id of the user.
d24880de 1399* Time of Day:: Getting the current time.
333f9019 1400* Time Conversion:: Converting a time from numeric form to
561c0216 1401 calendrical data and vice versa.
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KB
1402* Time Parsing:: Converting a time from numeric form to text
1403 and vice versa.
1404* Processor Run Time:: Getting the run time used by Emacs.
1405* Time Calculations:: Adding, subtracting, comparing times, etc.
d24880de 1406* Timers:: Setting a timer to call a function at a
561c0216 1407 certain time.
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KB
1408* Idle Timers:: Setting a timer to call a function when Emacs has
1409 been idle for a certain length of time.
1410* Terminal Input:: Accessing and recording terminal input.
1411* Terminal Output:: Controlling and recording terminal output.
1412* Sound Output:: Playing sounds on the computer's speaker.
a3cb6daa 1413* X11 Keysyms:: Operating on key symbols for X Windows.
cddd92e8 1414* Batch Mode:: Running Emacs without terminal interaction.
561c0216
GM
1415* Session Management:: Saving and restoring state with
1416 X Session Management.
cddd92e8 1417
fdc76236
TT
1418Preparing Lisp code for distribution
1419
1420* Packaging Basics:: The basic concepts of Emacs Lisp packages.
1421* Simple Packages:: How to package a single .el file.
1422* Multi-file Packages:: How to package multiple files.
1423
cddd92e8
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1424Starting Up Emacs
1425
561c0216
GM
1426* Startup Summary:: Sequence of actions Emacs performs at startup.
1427* Init File:: Details on reading the init file.
cddd92e8 1428* Terminal-Specific:: How the terminal-specific Lisp file is read.
c85c5553 1429* Command-Line Arguments:: How command-line arguments are processed,
cddd92e8
EZ
1430 and how you can customize them.
1431
c85c5553 1432Getting Out of Emacs
cddd92e8
EZ
1433
1434* Killing Emacs:: Exiting Emacs irreversibly.
1435* Suspending Emacs:: Exiting Emacs reversibly.
1436
c85c5553 1437Terminal Input
cddd92e8 1438
d24880de
GM
1439* Input Modes:: Options for how input is processed.
1440* Recording Input:: Saving histories of recent or all input events.
c85c5553
KB
1441
1442Tips and Conventions
1443
1444* Coding Conventions:: Conventions for clean and robust programs.
1445* Key Binding Conventions:: Which keys should be bound by which programs.
1446* Programming Tips:: Making Emacs code fit smoothly in Emacs.
1447* Compilation Tips:: Making compiled code run fast.
1448* Warning Tips:: Turning off compiler warnings.
1449* Documentation Tips:: Writing readable documentation strings.
d24880de 1450* Comment Tips:: Conventions for writing comments.
c85c5553 1451* Library Headers:: Standard headers for library packages.
cddd92e8
EZ
1452
1453GNU Emacs Internals
1454
c85c5553 1455* Building Emacs:: How the dumped Emacs is made.
333f9019 1456* Pure Storage:: Kludge to make preloaded Lisp functions shareable.
cddd92e8 1457* Garbage Collection:: Reclaiming space for Lisp objects no longer used.
c85c5553 1458* Memory Usage:: Info about total size of Lisp objects made so far.
cddd92e8 1459* Writing Emacs Primitives:: Writing C code for Emacs.
c85c5553 1460* Object Internals:: Data formats of buffers, windows, processes.
cddd92e8
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1461
1462Object Internals
1463
1464* Buffer Internals:: Components of a buffer structure.
1465* Window Internals:: Components of a window structure.
1466* Process Internals:: Components of a process structure.
c85c5553 1467@end detailmenu
cddd92e8
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1468@end menu
1469
cddd92e8
EZ
1470@c include intro.texi
1471@c include objects.texi
1472@c include numbers.texi
1473@c include strings.texi
1474
1475@c include lists.texi
1476@c include sequences.texi
c85c5553 1477@c include hash.texi
cddd92e8
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1478@c include symbols.texi
1479@c include eval.texi
1480
1481@c include control.texi
1482@c include variables.texi
1483@c include functions.texi
1484@c include macros.texi
1485
c85c5553 1486@c include customize.texi
cddd92e8
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1487@c include loading.texi
1488@c include compile.texi
c85c5553
KB
1489@c include advice.texi
1490
561c0216 1491@c This includes edebug.texi.
cddd92e8
EZ
1492@c include debugging.texi
1493@c include streams.texi
cddd92e8
EZ
1494@c include minibuf.texi
1495@c include commands.texi
c85c5553 1496
cddd92e8
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1497@c include keymaps.texi
1498@c include modes.texi
c85c5553
KB
1499@c include help.texi
1500@c include files.texi
cddd92e8 1501
c85c5553 1502@c include backups.texi
cddd92e8 1503
c85c5553 1504@c ================ Beginning of Volume 2 ================
cddd92e8 1505@include buffers.texi
cddd92e8
EZ
1506@include windows.texi
1507@include frames.texi
c85c5553 1508
cddd92e8
EZ
1509@include positions.texi
1510@include markers.texi
1511@include text.texi
c85c5553 1512@include nonascii.texi
cddd92e8
EZ
1513
1514@include searching.texi
1515@include syntax.texi
1516@include abbrevs.texi
cddd92e8 1517@include processes.texi
c85c5553 1518
cddd92e8 1519@include display.texi
c85c5553 1520@include os.texi
cddd92e8
EZ
1521
1522@c MOVE to Emacs Manual: include misc-modes.texi
1523
1524@c appendices
1525
1526@c REMOVE this: include non-hacker.texi
1527
c85c5553
KB
1528@include anti.texi
1529@include doclicense.texi
1530@include gpl.texi
cddd92e8
EZ
1531@include tips.texi
1532@include internals.texi
1533@include errors.texi
1534@include locals.texi
1535@include maps.texi
1536@include hooks.texi
1537
c85c5553 1538@include index.texi
cddd92e8 1539
c85c5553
KB
1540@ignore
1541@node New Symbols, , Index, Top
1542@unnumbered New Symbols Since the Previous Edition
1543
1544@printindex tp
1545@end ignore
cddd92e8
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1546
1547@bye
1548
1549\f
1550These words prevent "local variables" above from confusing Emacs.