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[bpt/emacs.git] / doc / lispref / vol1.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.
b3d90e46 4@c Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2001,
114f9c96 5@c 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
561c0216 6@c Free Software Foundation, Inc.
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7@c %**start of header
8@setfilename elisp
9@settitle GNU Emacs Lisp Reference Manual: Volume 1
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10@c %**end of header
11
c85c5553 12@c See two-volume-cross-refs.txt.
cddd92e8 13@tex
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14\message{Formatting for two volume edition...Volume 1...}
15%
16% Read special toc file, set up in two-volume.make.
17\gdef\tocreadfilename{elisp1-toc-ready.toc}
18%
19% Don't make outlines, they're not needed and \readdatafile can't pay
20% attention to the special definition above.
21\global\let\pdfmakeoutlines=\relax
22%
23% Start volume 1 chapter numbering at 1; this must be listed as chapno0.
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24\global\chapno=0
25@end tex
26
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27@c Version of the manual and of Emacs.
28@c Please remember to update the edition number in README as well.
e45e90b3 29@set VERSION 3.0
288f9fc0 30@set EMACSVER 24.0.50
e45e90b3 31@set DATE July 2009
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33@dircategory Emacs
34@direntry
35* Elisp: (elisp). The Emacs Lisp Reference Manual.
36@end direntry
cddd92e8 37
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38@c in general, keep the following line commented out, unless doing a
39@c copy of this manual that will be published. the manual should go
40@c onto the distribution in the full, 8.5 x 11" size.
41@set smallbook
cddd92e8 42
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43@ifset smallbook
44@smallbook
45@end ifset
cddd92e8 46
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47@c per rms and peterb, use 10pt fonts for the main text, mostly to
48@c save on paper cost.
49@c Do this inside @tex for now, so current makeinfo does not complain.
50@tex
51@ifset smallbook
52@fonttextsize 10
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53\global\let\urlcolor=\Black % don't print links in grayscale
54\global\let\linkcolor=\Black
55@end ifset
56\global\hbadness=6666 % don't worry about not-too-underfull boxes
57@end tex
cddd92e8 58
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59@c Combine indices.
60@synindex cp fn
61@syncodeindex vr fn
62@syncodeindex ky fn
63@syncodeindex pg fn
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64@c We use the "type index" to index new functions and variables.
65@c @syncodeindex tp fn
66
67@copying
68This is edition @value{VERSION} of the GNU Emacs Lisp Reference Manual,@*
69corresponding to Emacs version @value{EMACSVER}.
70
71Copyright @copyright{} 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
114f9c96 721999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
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73Foundation, Inc.
74
75@quotation
76Permission is granted to copy, distribute and/or modify this document
204d4665 77under the terms of the GNU Free Documentation License, Version 1.3 or
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78any later version published by the Free Software Foundation; with the
79Invariant Sections being ``GNU General Public License,'' with the
80Front-Cover texts being ``A GNU Manual,'' and with the Back-Cover
81Texts as in (a) below. A copy of the license is included in the
82section entitled ``GNU Free Documentation License.''
83
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84(a) The FSF's Back-Cover Text is: ``You have the freedom to copy and
85modify this GNU manual. Buying copies from the FSF supports it in
8d2ff239 86developing GNU and promoting software freedom.''
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87@end quotation
88@end copying
89
cddd92e8 90@titlepage
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91@title GNU Emacs Lisp Reference Manual
92@subtitle Volume 1
93@subtitle For Emacs Version @value{EMACSVER}
e45e90b3 94@subtitle Revision @value{VERSION}, @value{DATE}
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95
96@author by Bil Lewis, Dan LaLiberte, Richard Stallman
97@author and the GNU Manual Group
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98@page
99@vskip 0pt plus 1filll
c85c5553 100@insertcopying
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101
102@sp 2
cddd92e8 103
cddd92e8 104Published by the Free Software Foundation @*
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10551 Franklin St, Fifth Floor @*
106Boston, MA 02110-1301 @*
107USA @*
108ISBN 1-882114-74-4
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109
110@sp 2
111Cover art by Etienne Suvasa.
112@end titlepage
cddd92e8 113
cddd92e8 114
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115@c Print the tables of contents
116@summarycontents
117@contents
118
119
120@ifnottex
121@node Top, Introduction, (dir), (dir)
122@top Emacs Lisp
123
124This Info file contains edition @value{VERSION} of the GNU Emacs Lisp
125Reference Manual, corresponding to GNU Emacs version @value{EMACSVER}.
126@end ifnottex
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127
128@menu
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129* Introduction:: Introduction and conventions used.
130
131* Lisp Data Types:: Data types of objects in Emacs Lisp.
132* Numbers:: Numbers and arithmetic functions.
133* Strings and Characters:: Strings, and functions that work on them.
134* Lists:: Lists, cons cells, and related functions.
135* Sequences Arrays Vectors:: Lists, strings and vectors are called sequences.
136 Certain functions act on any kind of sequence.
137 The description of vectors is here as well.
c85c5553 138* Hash Tables:: Very fast lookup-tables.
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139* Symbols:: Symbols represent names, uniquely.
140
141* Evaluation:: How Lisp expressions are evaluated.
142* Control Structures:: Conditionals, loops, nonlocal exits.
143* Variables:: Using symbols in programs to stand for values.
144* Functions:: A function is a Lisp program
145 that can be invoked from other functions.
146* Macros:: Macros are a way to extend the Lisp language.
c85c5553 147* Customization:: Writing customization declarations.
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148
149* Loading:: Reading files of Lisp code into Lisp.
150* Byte Compilation:: Compilation makes programs run faster.
c85c5553 151* Advising Functions:: Adding to the definition of a function.
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152* Debugging:: Tools and tips for debugging Lisp programs.
153
154* Read and Print:: Converting Lisp objects to text and back.
155* Minibuffers:: Using the minibuffer to read input.
156* Command Loop:: How the editor command loop works,
157 and how you can call its subroutines.
158* Keymaps:: Defining the bindings from keys to commands.
159* Modes:: Defining major and minor modes.
160* Documentation:: Writing and using documentation strings.
161
162* Files:: Accessing files.
163* Backups and Auto-Saving:: Controlling how backups and auto-save
164 files are made.
165* Buffers:: Creating and using buffer objects.
166* Windows:: Manipulating windows and displaying buffers.
c85c5553 167* Frames:: Making multiple system-level windows.
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168* Positions:: Buffer positions and motion functions.
169* Markers:: Markers represent positions and update
170 automatically when the text is changed.
171
172* Text:: Examining and changing text in buffers.
c85c5553 173* Non-ASCII Characters:: Non-ASCII text in buffers and strings.
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174* Searching and Matching:: Searching buffers for strings or regexps.
175* Syntax Tables:: The syntax table controls word and list parsing.
176* Abbrevs:: How Abbrev mode works, and its data structures.
177
178* Processes:: Running and communicating with subprocesses.
c85c5553 179* Display:: Features for controlling the screen display.
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180* System Interface:: Getting the user id, system type, environment
181 variables, and other such things.
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182
183Appendices
184
e45e90b3 185* Antinews:: Info for users downgrading to Emacs 22.
561c0216 186* GNU Free Documentation License:: The license for this documentation.
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187* GPL:: Conditions for copying and changing GNU Emacs.
188* Tips:: Advice and coding conventions for Emacs Lisp.
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189* GNU Emacs Internals:: Building and dumping Emacs;
190 internal data structures.
191* Standard Errors:: List of all error symbols.
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192* Standard Buffer-Local Variables::
193 List of variables buffer-local in all buffers.
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194* Standard Keymaps:: List of standard keymaps.
195* Standard Hooks:: List of standard hook variables.
196
197* Index:: Index including concepts, functions, variables,
198 and other terms.
199
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200@ignore
201* New Symbols:: New functions and variables in Emacs @value{EMACSVER}.
202@end ignore
203
204@c Do NOT modify the following 3 lines! They must have this form to
205@c be correctly identified by `texinfo-multiple-files-update'. In
206@c particular, the detailed menu header line MUST be identical to the
207@c value of `texinfo-master-menu-header'. See texnfo-upd.el.
208
209@detailmenu
210 --- The Detailed Node Listing ---
211 ---------------------------------
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212
213Here are other nodes that are inferiors of those already listed,
214mentioned here so you can get to them in one step:
215
216Introduction
217
218* Caveats:: Flaws and a request for help.
219* Lisp History:: Emacs Lisp is descended from Maclisp.
220* Conventions:: How the manual is formatted.
c85c5553 221* Version Info:: Which Emacs version is running?
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222* Acknowledgements:: The authors, editors, and sponsors of this manual.
223
224Conventions
225
226* Some Terms:: Explanation of terms we use in this manual.
227* nil and t:: How the symbols @code{nil} and @code{t} are used.
228* Evaluation Notation:: The format we use for examples of evaluation.
561c0216 229* Printing Notation:: The format we use when examples print text.
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230* Error Messages:: The format we use for examples of errors.
231* Buffer Text Notation:: The format we use for buffer contents in examples.
232* Format of Descriptions:: Notation for describing functions, variables, etc.
233
234Format of Descriptions
235
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236* A Sample Function Description:: A description of an imaginary
237 function, @code{foo}.
238* A Sample Variable Description:: A description of an imaginary
239 variable, @code{electric-future-map}.
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240
241Lisp Data Types
242
243* Printed Representation:: How Lisp objects are represented as text.
244* Comments:: Comments and their formatting conventions.
245* Programming Types:: Types found in all Lisp systems.
246* Editing Types:: Types specific to Emacs.
c85c5553 247* Circular Objects:: Read syntax for circular structure.
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248* Type Predicates:: Tests related to types.
249* Equality Predicates:: Tests of equality between any two objects.
250
251Programming Types
252
253* Integer Type:: Numbers without fractional parts.
254* Floating Point Type:: Numbers with fractional parts and with a large range.
255* Character Type:: The representation of letters, numbers and
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256 control characters.
257* Symbol Type:: A multi-use object that refers to a function,
561c0216 258 variable, or property list, and has a unique identity.
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259* Sequence Type:: Both lists and arrays are classified as sequences.
260* Cons Cell Type:: Cons cells, and lists (which are made from cons cells).
261* Array Type:: Arrays include strings and vectors.
262* String Type:: An (efficient) array of characters.
263* Vector Type:: One-dimensional arrays.
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264* Char-Table Type:: One-dimensional sparse arrays indexed by characters.
265* Bool-Vector Type:: One-dimensional arrays of @code{t} or @code{nil}.
266* Hash Table Type:: Super-fast lookup tables.
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267* Function Type:: A piece of executable code you can call from elsewhere.
268* Macro Type:: A method of expanding an expression into another
269 expression, more fundamental but less pretty.
270* Primitive Function Type:: A function written in C, callable from Lisp.
b9598260 271* Funvec Type:: A vector type callable as a function.
cddd92e8 272* Autoload Type:: A type used for automatically loading seldom-used
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273 functions.
274
275Character Type
cddd92e8 276
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277* Basic Char Syntax:: Syntax for regular characters.
278* General Escape Syntax:: How to specify characters by their codes.
279* Ctl-Char Syntax:: Syntax for control characters.
280* Meta-Char Syntax:: Syntax for meta-characters.
281* Other Char Bits:: Syntax for hyper-, super-, and alt-characters.
cddd92e8 282
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283Cons Cell and List Types
284
285* Box Diagrams:: Drawing pictures of lists.
561c0216 286* Dotted Pair Notation:: A general syntax for cons cells.
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287* Association List Type:: A specially constructed list.
288
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289String Type
290
291* Syntax for Strings:: How to specify Lisp strings.
292* Non-ASCII in Strings:: International characters in strings.
293* Nonprinting Characters:: Literal unprintable characters in strings.
294* Text Props and Strings:: Strings with text properties.
295
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296Editing Types
297
298* Buffer Type:: The basic object of editing.
cddd92e8 299* Marker Type:: A position in a buffer.
561c0216 300* Window Type:: Buffers are displayed in windows.
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301* Frame Type:: Windows subdivide frames.
302* Terminal Type:: A terminal device displays frames.
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303* Window Configuration Type:: Recording the way a frame is subdivided.
304* Frame Configuration Type:: Recording the status of all frames.
e45e90b3 305* Process Type:: A subprocess of Emacs running on the underlying OS.
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306* Stream Type:: Receive or send characters.
307* Keymap Type:: What function a keystroke invokes.
c85c5553 308* Overlay Type:: How an overlay is represented.
e45e90b3 309* Font Type:: Fonts for displaying text.
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310
311Numbers
312
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313* Integer Basics:: Representation and range of integers.
314* Float Basics:: Representation and range of floating point.
315* Predicates on Numbers:: Testing for numbers.
316* Comparison of Numbers:: Equality and inequality predicates.
317* Numeric Conversions:: Converting float to integer and vice versa.
318* Arithmetic Operations:: How to add, subtract, multiply and divide.
319* Rounding Operations:: Explicitly rounding floating point numbers.
320* Bitwise Operations:: Logical and, or, not, shifting.
321* Math Functions:: Trig, exponential and logarithmic functions.
322* Random Numbers:: Obtaining random integers, predictable or not.
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323
324Strings and Characters
325
326* String Basics:: Basic properties of strings and characters.
327* Predicates for Strings:: Testing whether an object is a string or char.
328* Creating Strings:: Functions to allocate new strings.
c85c5553 329* Modifying Strings:: Altering the contents of an existing string.
cddd92e8 330* Text Comparison:: Comparing characters or strings.
561c0216 331* String Conversion:: Converting to and from characters and strings.
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332* Formatting Strings:: @code{format}: Emacs's analogue of @code{printf}.
333* Case Conversion:: Case conversion functions.
334* Case Tables:: Customizing case conversion.
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335
336Lists
337
338* Cons Cells:: How lists are made out of cons cells.
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339* List-related Predicates:: Is this object a list? Comparing two lists.
340* List Elements:: Extracting the pieces of a list.
341* Building Lists:: Creating list structure.
c85c5553 342* List Variables:: Modifying lists stored in variables.
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343* Modifying Lists:: Storing new pieces into an existing list.
344* Sets And Lists:: A list can represent a finite mathematical set.
345* Association Lists:: A list can represent a finite relation or mapping.
c85c5553 346* Rings:: Managing a fixed-size ring of objects.
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347
348Modifying Existing List Structure
349
350* Setcar:: Replacing an element in a list.
351* Setcdr:: Replacing part of the list backbone.
352 This can be used to remove or add elements.
353* Rearrangement:: Reordering the elements in a list; combining lists.
354
355Sequences, Arrays, and Vectors
356
357* Sequence Functions:: Functions that accept any kind of sequence.
358* Arrays:: Characteristics of arrays in Emacs Lisp.
359* Array Functions:: Functions specifically for arrays.
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360* Vectors:: Special characteristics of Emacs Lisp vectors.
361* Vector Functions:: Functions specifically for vectors.
362* Char-Tables:: How to work with char-tables.
363* Bool-Vectors:: How to work with bool-vectors.
364
365Hash Tables
366
367* Creating Hash:: Functions to create hash tables.
368* Hash Access:: Reading and writing the hash table contents.
561c0216 369* Defining Hash:: Defining new comparison methods.
c85c5553 370* Other Hash:: Miscellaneous.
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371
372Symbols
373
374* Symbol Components:: Symbols have names, values, function definitions
375 and property lists.
376* Definitions:: A definition says how a symbol will be used.
377* Creating Symbols:: How symbols are kept unique.
378* Property Lists:: Each symbol has a property list
379 for recording miscellaneous information.
380
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381Property Lists
382
383* Plists and Alists:: Comparison of the advantages of property
384 lists and association lists.
385* Symbol Plists:: Functions to access symbols' property lists.
386* Other Plists:: Accessing property lists stored elsewhere.
387
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388Evaluation
389
390* Intro Eval:: Evaluation in the scheme of things.
cddd92e8 391* Forms:: How various sorts of objects are evaluated.
177c0ea7 392* Quoting:: Avoiding evaluation (to put constants in
cddd92e8 393 the program).
c85c5553 394* Eval:: How to invoke the Lisp interpreter explicitly.
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395
396Kinds of Forms
397
398* Self-Evaluating Forms:: Forms that evaluate to themselves.
399* Symbol Forms:: Symbols evaluate as variables.
400* Classifying Lists:: How to distinguish various sorts of list forms.
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401* Function Indirection:: When a symbol appears as the car of a list,
402 we find the real function via the symbol.
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403* Function Forms:: Forms that call functions.
404* Macro Forms:: Forms that call macros.
2b9fa4a7 405* Special Forms:: "Special forms" are idiosyncratic primitives,
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406 most of them extremely important.
407* Autoloading:: Functions set up to load files
408 containing their real definitions.
409
410Control Structures
411
412* Sequencing:: Evaluation in textual order.
c85c5553 413* Conditionals:: @code{if}, @code{cond}, @code{when}, @code{unless}.
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414* Combining Conditions:: @code{and}, @code{or}, @code{not}.
415* Iteration:: @code{while} loops.
416* Nonlocal Exits:: Jumping out of a sequence.
417
418Nonlocal Exits
419
420* Catch and Throw:: Nonlocal exits for the program's own purposes.
421* Examples of Catch:: Showing how such nonlocal exits can be written.
422* Errors:: How errors are signaled and handled.
423* Cleanups:: Arranging to run a cleanup form if an
424 error happens.
425
426Errors
427
428* Signaling Errors:: How to report an error.
429* Processing of Errors:: What Emacs does when you report an error.
430* Handling Errors:: How you can trap errors and continue execution.
431* Error Symbols:: How errors are classified for trapping them.
432
433Variables
434
435* Global Variables:: Variable values that exist permanently, everywhere.
436* Constant Variables:: Certain "variables" have values that never change.
437* Local Variables:: Variable values that exist only temporarily.
438* Void Variables:: Symbols that lack values.
439* Defining Variables:: A definition says a symbol is used as a variable.
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440* Tips for Defining:: Things you should think about when you
441 define a variable.
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442* Accessing Variables:: Examining values of variables whose names
443 are known only at run time.
444* Setting Variables:: Storing new values in variables.
445* Variable Scoping:: How Lisp chooses among local and global values.
446* Buffer-Local Variables:: Variable values in effect only in one buffer.
c85c5553 447* File Local Variables:: Handling local variable lists in files.
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448* Directory Local Variables:: Local variables common to all files in a
449 directory.
e45e90b3 450* Frame-Local Variables:: Frame-local bindings for variables.
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451* Variable Aliases:: Variables that are aliases for other variables.
452* Variables with Restricted Values:: Non-constant variables whose value can
453 @emph{not} be an arbitrary Lisp object.
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454
455Scoping Rules for Variable Bindings
456
177c0ea7 457* Scope:: Scope means where in the program a value
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458 is visible. Comparison with other languages.
459* Extent:: Extent means how long in time a value exists.
460* Impl of Scope:: Two ways to implement dynamic scoping.
177c0ea7 461* Using Scoping:: How to use dynamic scoping carefully and
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462 avoid problems.
463
464Buffer-Local Variables
465
466* Intro to Buffer-Local:: Introduction and concepts.
467* Creating Buffer-Local:: Creating and destroying buffer-local bindings.
468* Default Value:: The default value is seen in buffers
c85c5553 469 that don't have their own buffer-local values.
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470
471Functions
472
561c0216 473* What Is a Function:: Lisp functions vs. primitives; terminology.
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474* Lambda Expressions:: How functions are expressed as Lisp objects.
475* Function Names:: A symbol can serve as the name of a function.
476* Defining Functions:: Lisp expressions for defining functions.
477* Calling Functions:: How to use an existing function.
478* Mapping Functions:: Applying a function to each element of a list, etc.
561c0216 479* Anonymous Functions:: Lambda expressions are functions with no names.
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480* Function Cells:: Accessing or setting the function definition
481 of a symbol.
c85c5553 482* Obsolete Functions:: Declaring functions obsolete.
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483* Inline Functions:: Defining functions that the compiler
484 will open code.
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.
504* Backquote:: Easier construction of list structure.
505* Problems with Macros:: Don't evaluate the macro arguments too many times.
506 Don't hide the user's variables.
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507* Indenting Macros:: Specifying how to indent macro calls.
508
509Common Problems Using Macros
510
511* Wrong Time:: Do the work in the expansion, not in the macro.
512* Argument Evaluation:: The expansion should evaluate each macro arg once.
513* Surprising Local Vars:: Local variable bindings in the expansion
514 require special care.
515* Eval During Expansion:: Don't evaluate them; put them in the expansion.
516* Repeated Expansion:: Avoid depending on how many times expansion is done.
517
518Writing Customization Definitions
519
520* Common Keywords:: Common keyword arguments for all kinds of
521 customization declarations.
522* Group Definitions:: Writing customization group definitions.
523* Variable Definitions:: Declaring user options.
524* Customization Types:: Specifying the type of a user option.
525
526Customization Types
527
528* Simple Types:: Simple customization types: sexp, integer, number,
529 string, file, directory, alist.
530* Composite Types:: Build new types from other types or data.
531* Splicing into Lists:: Splice elements into list with @code{:inline}.
532* Type Keywords:: Keyword-argument pairs in a customization type.
533* Defining New Types:: Give your type a name.
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534
535Loading
536
537* How Programs Do Loading:: The @code{load} function and others.
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538* Load Suffixes:: Details about the suffixes that @code{load} tries.
539* Library Search:: Finding a library to load.
540* Loading Non-ASCII:: Non-@acronym{ASCII} characters in Emacs Lisp files.
cddd92e8 541* Autoload:: Setting up a function to autoload.
cddd92e8 542* Repeated Loading:: Precautions about loading a file twice.
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543* Named Features:: Loading a library if it isn't already loaded.
544* Where Defined:: Finding which file defined a certain symbol.
545* Unloading:: How to "unload" a library that was loaded.
546* Hooks for Loading:: Providing code to be run when
547 particular libraries are loaded.
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548
549Byte Compilation
550
c85c5553 551* Speed of Byte-Code:: An example of speedup from byte compilation.
cddd92e8 552* Compilation Functions:: Byte compilation functions.
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553* Docs and Compilation:: Dynamic loading of documentation strings.
554* Dynamic Loading:: Dynamic loading of individual functions.
555* Eval During Compile:: Code to be evaluated when you compile.
556* Compiler Errors:: Handling compiler error messages.
557* Byte-Code Objects:: The data type used for byte-compiled functions.
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558* Disassembly:: Disassembling byte-code; how to read byte-code.
559
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560Advising Emacs Lisp Functions
561
562* Simple Advice:: A simple example to explain the basics of advice.
563* Defining Advice:: Detailed description of @code{defadvice}.
564* Around-Advice:: Wrapping advice around a function's definition.
565* Computed Advice:: ...is to @code{defadvice} as @code{fset} is to @code{defun}.
566* Activation of Advice:: Advice doesn't do anything until you activate it.
567* Enabling Advice:: You can enable or disable each piece of advice.
568* Preactivation:: Preactivation is a way of speeding up the
569 loading of compiled advice.
570* Argument Access in Advice:: How advice can access the function's arguments.
571* Advising Primitives:: Accessing arguments when advising a primitive.
572* Combined Definition:: How advice is implemented.
573
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574Debugging Lisp Programs
575
576* Debugger:: How the Emacs Lisp debugger is implemented.
c85c5553 577* Edebug:: A source-level Emacs Lisp debugger.
cddd92e8 578* Syntax Errors:: How to find syntax errors.
c85c5553 579* Test Coverage:: Ensuring you have tested all branches in your code.
177c0ea7 580* Compilation Errors:: How to find errors that show up in
cddd92e8 581 byte compilation.
177c0ea7 582
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583The Lisp Debugger
584
585* Error Debugging:: Entering the debugger when an error happens.
c85c5553 586* Infinite Loops:: Stopping and debugging a program that doesn't exit.
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587* Function Debugging:: Entering it when a certain function is called.
588* Explicit Debug:: Entering it at a certain point in the program.
589* Using Debugger:: What the debugger does; what you see while in it.
590* Debugger Commands:: Commands used while in the debugger.
591* Invoking the Debugger:: How to call the function @code{debug}.
592* Internals of Debugger:: Subroutines of the debugger, and global variables.
593
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594Edebug
595
596* Using Edebug:: Introduction to use of Edebug.
597* Instrumenting:: You must instrument your code
598 in order to debug it with Edebug.
599* Edebug Execution Modes:: Execution modes, stopping more or less often.
600* Jumping:: Commands to jump to a specified place.
601* Edebug Misc:: Miscellaneous commands.
602* Breaks:: Setting breakpoints to make the program stop.
603* Trapping Errors:: Trapping errors with Edebug.
604* Edebug Views:: Views inside and outside of Edebug.
605* Edebug Eval:: Evaluating expressions within Edebug.
606* Eval List:: Expressions whose values are displayed
607 each time you enter Edebug.
608* Printing in Edebug:: Customization of printing.
609* Trace Buffer:: How to produce trace output in a buffer.
610* Coverage Testing:: How to test evaluation coverage.
611* The Outside Context:: Data that Edebug saves and restores.
612* Edebug and Macros:: Specifying how to handle macro calls.
613* Edebug Options:: Option variables for customizing Edebug.
614
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615Breaks
616
617* Breakpoints:: Breakpoints at stop points.
618* Global Break Condition:: Breaking on an event.
619* Source Breakpoints:: Embedding breakpoints in source code.
620
621The Outside Context
622
623* Checking Whether to Stop::When Edebug decides what to do.
624* Edebug Display Update:: When Edebug updates the display.
625* Edebug Recursive Edit:: When Edebug stops execution.
626
627Edebug and Macros
628
629* Instrumenting Macro Calls::The basic problem.
630* Specification List:: How to specify complex patterns of evaluation.
631* Backtracking:: What Edebug does when matching fails.
632* Specification Examples:: To help understand specifications.
633
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634Debugging Invalid Lisp Syntax
635
636* Excess Open:: How to find a spurious open paren or missing close.
637* Excess Close:: How to find a spurious close paren or missing open.
638
639Reading and Printing Lisp Objects
640
641* Streams Intro:: Overview of streams, reading and printing.
177c0ea7 642* Input Streams:: Various data types that can be used as
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643 input streams.
644* Input Functions:: Functions to read Lisp objects from text.
177c0ea7 645* Output Streams:: Various data types that can be used as
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646 output streams.
647* Output Functions:: Functions to print Lisp objects as text.
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648* Output Variables:: Variables that control what the printing
649 functions do.
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650
651Minibuffers
652
653* Intro to Minibuffers:: Basic information about minibuffers.
654* Text from Minibuffer:: How to read a straight text string.
655* Object from Minibuffer:: How to read a Lisp object or expression.
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656* Minibuffer History:: Recording previous minibuffer inputs
657 so the user can reuse them.
658* Initial Input:: Specifying initial contents for the minibuffer.
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659* Completion:: How to invoke and customize completion.
660* Yes-or-No Queries:: Asking a question with a simple answer.
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661* Multiple Queries:: Asking a series of similar questions.
662* Reading a Password:: Reading a password from the terminal.
663* Minibuffer Commands:: Commands used as key bindings in minibuffers.
664* Minibuffer Contents:: How such commands access the minibuffer text.
665* Minibuffer Windows:: Operating on the special minibuffer windows.
666* Recursive Mini:: Whether recursive entry to minibuffer is allowed.
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667* Minibuffer Misc:: Various customization hooks and variables.
668
669Completion
670
671* Basic Completion:: Low-level functions for completing strings.
672 (These are too low level to use the minibuffer.)
673* Minibuffer Completion:: Invoking the minibuffer with completion.
674* Completion Commands:: Minibuffer commands that do completion.
675* High-Level Completion:: Convenient special cases of completion
a3cb6daa 676 (reading buffer name, file name, etc.).
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677* Reading File Names:: Using completion to read file names and
678 shell commands.
679* Completion Styles:: Specifying rules for performing completion.
561c0216 680* Programmed Completion:: Writing your own completion-function.
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681
682Command Loop
683
684* Command Overview:: How the command loop reads commands.
685* Defining Commands:: Specifying how a function should read arguments.
686* Interactive Call:: Calling a command, so that it will read arguments.
e45e90b3 687* Distinguish Interactive:: Making a command distinguish interactive calls.
cddd92e8 688* Command Loop Info:: Variables set by the command loop for you to examine.
c85c5553 689* Adjusting Point:: Adjustment of point after a command.
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690* Input Events:: What input looks like when you read it.
691* Reading Input:: How to read input events from the keyboard or mouse.
c85c5553 692* Special Events:: Events processed immediately and individually.
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693* Waiting:: Waiting for user input or elapsed time.
694* Quitting:: How @kbd{C-g} works. How to catch or defer quitting.
695* Prefix Command Arguments:: How the commands to set prefix args work.
696* Recursive Editing:: Entering a recursive edit,
697 and why you usually shouldn't.
698* Disabling Commands:: How the command loop handles disabled commands.
699* Command History:: How the command history is set up, and how accessed.
700* Keyboard Macros:: How keyboard macros are implemented.
701
702Defining Commands
703
704* Using Interactive:: General rules for @code{interactive}.
705* Interactive Codes:: The standard letter-codes for reading arguments
706 in various ways.
707* Interactive Examples:: Examples of how to read interactive arguments.
708
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709Input Events
710
711* Keyboard Events:: Ordinary characters--keys with symbols on them.
712* Function Keys:: Function keys--keys with names, not symbols.
713* Mouse Events:: Overview of mouse events.
714* Click Events:: Pushing and releasing a mouse button.
715* Drag Events:: Moving the mouse before releasing the button.
716* Button-Down Events:: A button was pushed and not yet released.
717* Repeat Events:: Double and triple click (or drag, or down).
718* Motion Events:: Just moving the mouse, not pushing a button.
719* Focus Events:: Moving the mouse between frames.
720* Misc Events:: Other events the system can generate.
721* Event Examples:: Examples of the lists for mouse events.
722* Classifying Events:: Finding the modifier keys in an event symbol.
561c0216 723 Event types.
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724* Accessing Mouse:: Functions to extract info from mouse events.
725* Accessing Scroll:: Functions to get info from scroll bar events.
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726* Strings of Events:: Special considerations for putting
727 keyboard character events in a string.
728
729Reading Input
730
731* Key Sequence Input:: How to read one key sequence.
732* Reading One Event:: How to read just one event.
733* Event Mod:: How Emacs modifies events as they are read.
734* Invoking the Input Method:: How reading an event uses the input method.
735* Quoted Character Input:: Asking the user to specify a character.
736* Event Input Misc:: How to reread or throw away input events.
737
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738Keymaps
739
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740* Key Sequences:: Key sequences as Lisp objects.
741* Keymap Basics:: Basic concepts of keymaps.
742* Format of Keymaps:: What a keymap looks like as a Lisp object.
743* Creating Keymaps:: Functions to create and copy keymaps.
744* Inheritance and Keymaps:: How one keymap can inherit the bindings
745 of another keymap.
746* Prefix Keys:: Defining a key with a keymap as its definition.
747* Active Keymaps:: How Emacs searches the active keymaps
748 for a key binding.
749* Searching Keymaps:: A pseudo-Lisp summary of searching active maps.
750* Controlling Active Maps:: Each buffer has a local keymap
751 to override the standard (global) bindings.
752 A minor mode can also override them.
561c0216 753* Key Lookup:: Finding a key's binding in one keymap.
cddd92e8 754* Functions for Key Lookup:: How to request key lookup.
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755* Changing Key Bindings:: Redefining a key in a keymap.
756* Remapping Commands:: A keymap can translate one command to another.
757* Translation Keymaps:: Keymaps for translating sequences of events.
758* Key Binding Commands:: Interactive interfaces for redefining keys.
759* Scanning Keymaps:: Looking through all keymaps, for printing help.
561c0216 760* Menu Keymaps:: Defining a menu as a keymap.
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761
762Menu Keymaps
763
764* Defining Menus:: How to make a keymap that defines a menu.
765* Mouse Menus:: How users actuate the menu with the mouse.
766* Keyboard Menus:: How users actuate the menu with the keyboard.
767* Menu Example:: Making a simple menu.
768* Menu Bar:: How to customize the menu bar.
769* Tool Bar:: A tool bar is a row of images.
770* Modifying Menus:: How to add new items to a menu.
771
772Defining Menus
773
774* Simple Menu Items:: A simple kind of menu key binding,
775 limited in capabilities.
776* Extended Menu Items:: More powerful menu item definitions
777 let you specify keywords to enable
778 various features.
779* Menu Separators:: Drawing a horizontal line through a menu.
780* Alias Menu Items:: Using command aliases in menu items.
781
782Major and Minor Modes
783
784* Hooks:: How to use hooks; how to write code that provides hooks.
785* Major Modes:: Defining major modes.
786* Minor Modes:: Defining minor modes.
787* Mode Line Format:: Customizing the text that appears in the mode line.
788* Imenu:: How a mode can provide a menu
789 of definitions in the buffer.
790* Font Lock Mode:: How modes can highlight text according to syntax.
791* Desktop Save Mode:: How modes can have buffer state saved between
792 Emacs sessions.
cddd92e8 793
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794Hooks
795
796* Running Hooks:: How to run a hook.
797* Setting Hooks:: How to put functions on a hook, or remove them.
798
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799Major Modes
800
c85c5553 801* Major Mode Basics::
cddd92e8 802* Major Mode Conventions:: Coding conventions for keymaps, etc.
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803* Auto Major Mode:: How Emacs chooses the major mode automatically.
804* Mode Help:: Finding out how to use a mode.
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805* Derived Modes:: Defining a new major mode based on another major
806 mode.
807* Generic Modes:: Defining a simple major mode that supports
808 comment syntax and Font Lock mode.
809* Mode Hooks:: Hooks run at the end of major mode functions.
561c0216 810* Example Major Modes:: Text mode and Lisp modes.
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811
812Minor Modes
813
814* Minor Mode Conventions:: Tips for writing a minor mode.
815* Keymaps and Minor Modes:: How a minor mode can have its own keymap.
c85c5553 816* Defining Minor Modes:: A convenient facility for defining minor modes.
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817
818Mode Line Format
819
561c0216 820* Mode Line Basics:: Basic ideas of mode line control.
cddd92e8 821* Mode Line Data:: The data structure that controls the mode line.
561c0216 822* Mode Line Top:: The top level variable, mode-line-format.
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EZ
823* Mode Line Variables:: Variables used in that data structure.
824* %-Constructs:: Putting information into a mode line.
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825* Properties in Mode:: Using text properties in the mode line.
826* Header Lines:: Like a mode line, but at the top.
827* Emulating Mode Line:: Formatting text as the mode line would.
828
829Font Lock Mode
830
831* Font Lock Basics:: Overview of customizing Font Lock.
832* Search-based Fontification:: Fontification based on regexps.
833* Customizing Keywords:: Customizing search-based fontification.
834* Other Font Lock Variables:: Additional customization facilities.
835* Levels of Font Lock:: Each mode can define alternative levels
836 so that the user can select more or less.
837* Precalculated Fontification:: How Lisp programs that produce the buffer
838 contents can also specify how to fontify it.
839* Faces for Font Lock:: Special faces specifically for Font Lock.
840* Syntactic Font Lock:: Fontification based on syntax tables.
841* Setting Syntax Properties:: Defining character syntax based on context
842 using the Font Lock mechanism.
843* Multiline Font Lock:: How to coerce Font Lock into properly
844 highlighting multiline constructs.
845
846Multiline Font Lock Constructs
847
561c0216 848* Font Lock Multiline:: Marking multiline chunks with a text property.
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849* Region to Fontify:: Controlling which region gets refontified
850 after a buffer change.
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851
852Documentation
853
854* Documentation Basics:: Good style for doc strings.
855 Where to put them. How Emacs stores them.
856* Accessing Documentation:: How Lisp programs can access doc strings.
857* Keys in Documentation:: Substituting current key bindings.
858* Describing Characters:: Making printable descriptions of
859 non-printing characters and key sequences.
860* Help Functions:: Subroutines used by Emacs help facilities.
861
862Files
863
864* Visiting Files:: Reading files into Emacs buffers for editing.
865* Saving Buffers:: Writing changed buffers back into files.
561c0216 866* Reading from Files:: Reading files into buffers without visiting.
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867* Writing to Files:: Writing new files from parts of buffers.
868* File Locks:: Locking and unlocking files, to prevent
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869 simultaneous editing by two people.
870* Information about Files:: Testing existence, accessibility, size of files.
871* Changing Files:: Renaming files, changing protection, etc.
872* File Names:: Decomposing and expanding file names.
873* Contents of Directories:: Getting a list of the files in a directory.
874* Create/Delete Dirs:: Creating and Deleting Directories.
875* Magic File Names:: Defining "magic" special handling
876 for certain file names.
877* Format Conversion:: Conversion to and from various file formats.
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878
879Visiting Files
880
881* Visiting Functions:: The usual interface functions for visiting.
882* Subroutines of Visiting:: Lower-level subroutines that they use.
883
884Information about Files
885
886* Testing Accessibility:: Is a given file readable? Writable?
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887* Kinds of Files:: Is it a directory? A symbolic link?
888* Truenames:: Eliminating symbolic links from a file name.
cddd92e8 889* File Attributes:: How large is it? Any other names? Etc.
c85c5553 890* Locating Files:: How to find a file in standard places.
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891
892File Names
893
894* File Name Components:: The directory part of a file name, and the rest.
561c0216 895* Relative File Names:: Some file names are relative to a current directory.
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896* Directory Names:: A directory's name as a directory
897 is different from its name as a file.
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898* File Name Expansion:: Converting relative file names to absolute ones.
899* Unique File Names:: Generating names for temporary files.
900* File Name Completion:: Finding the completions for a given file name.
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901* Standard File Names:: If your package uses a fixed file name,
902 how to handle various operating systems simply.
cddd92e8 903
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GM
904File Format Conversion
905
a3cb6daa 906* Format Conversion Overview:: @code{insert-file-contents} and @code{write-region}.
561c0216
GM
907* Format Conversion Round-Trip:: Using @code{format-alist}.
908* Format Conversion Piecemeal:: Specifying non-paired conversion.
909
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910Backups and Auto-Saving
911
177c0ea7 912* Backup Files:: How backup files are made; how their names
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EZ
913 are chosen.
914* Auto-Saving:: How auto-save files are made; how their
915 names are chosen.
177c0ea7 916* Reverting:: @code{revert-buffer}, and how to customize
cddd92e8
EZ
917 what it does.
918
919Backup Files
920
921* Making Backups:: How Emacs makes backup files, and when.
177c0ea7 922* Rename or Copy:: Two alternatives: renaming the old file
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923 or copying it.
924* Numbered Backups:: Keeping multiple backups for each source file.
925* Backup Names:: How backup file names are computed; customization.
926
927Buffers
928
929* Buffer Basics:: What is a buffer?
c85c5553 930* Current Buffer:: Designating a buffer as current
561c0216 931 so that primitives will access its contents.
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932* Buffer Names:: Accessing and changing buffer names.
933* Buffer File Name:: The buffer file name indicates which file
934 is visited.
935* Buffer Modification:: A buffer is @dfn{modified} if it needs to be saved.
936* Modification Time:: Determining whether the visited file was changed
c85c5553 937 ``behind Emacs's back''.
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938* Read Only Buffers:: Modifying text is not allowed in a
939 read-only buffer.
940* The Buffer List:: How to look at all the existing buffers.
941* Creating Buffers:: Functions that create buffers.
942* Killing Buffers:: Buffers exist until explicitly killed.
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943* Indirect Buffers:: An indirect buffer shares text with some
944 other buffer.
e45e90b3 945* Swapping Text:: Swapping text between two buffers.
c85c5553 946* Buffer Gap:: The gap in the buffer.
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947
948Windows
949
950* Basic Windows:: Basic information on using windows.
951* Splitting Windows:: Splitting one window into two windows.
952* Deleting Windows:: Deleting a window gives its space to other windows.
953* Selecting Windows:: The selected window is the one that you edit in.
954* Cyclic Window Ordering:: Moving around the existing windows.
955* Buffers and Windows:: Each window displays the contents of a buffer.
c85c5553 956* Displaying Buffers:: Higher-level functions for displaying a buffer
cddd92e8 957 and choosing a window for it.
c85c5553 958* Choosing Window:: How to choose a window for displaying a buffer.
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959* Dedicated Windows:: How to avoid displaying another buffer in
960 a specific window.
cddd92e8 961* Window Point:: Each window has its own location of point.
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962* Window Start and End:: Buffer positions indicating which text is
963 on-screen in a window.
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964* Textual Scrolling:: Moving text up and down through the window.
965* Vertical Scrolling:: Moving the contents up and down on the window.
966* Horizontal Scrolling:: Moving the contents sideways on the window.
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967* Size of Window:: Accessing the size of a window.
968* Resizing Windows:: Changing the size of a window.
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969* Coordinates and Windows:: Converting coordinates to windows.
970* Window Tree:: The layout and sizes of all windows in a frame.
cddd92e8 971* Window Configurations:: Saving and restoring the state of the screen.
e45e90b3 972* Window Parameters:: Associating additional information with windows.
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973* Window Hooks:: Hooks for scrolling, window size changes,
974 redisplay going past a certain point,
975 or window configuration changes.
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976
977Frames
978
979* Creating Frames:: Creating additional frames.
e45e90b3 980* Multiple Terminals:: Displaying on several different devices.
cddd92e8 981* Frame Parameters:: Controlling frame size, position, font, etc.
e45e90b3 982* Terminal Parameters:: Parameters common for all frames on terminal.
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983* Frame Titles:: Automatic updating of frame titles.
984* Deleting Frames:: Frames last until explicitly deleted.
985* Finding All Frames:: How to examine all existing frames.
986* Frames and Windows:: A frame contains windows;
987 display of text always works through windows.
988* Minibuffers and Frames:: How a frame finds the minibuffer to use.
989* Input Focus:: Specifying the selected frame.
990* Visibility of Frames:: Frames may be visible or invisible, or icons.
c85c5553 991* Raising and Lowering:: Raising a frame makes it hide other windows;
561c0216 992 lowering it makes the others hide it.
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993* Frame Configurations:: Saving the state of all frames.
994* Mouse Tracking:: Getting events that say when the mouse moves.
995* Mouse Position:: Asking where the mouse is, or moving it.
996* Pop-Up Menus:: Displaying a menu for the user to select from.
997* Dialog Boxes:: Displaying a box to ask yes or no.
c85c5553 998* Pointer Shape:: Specifying the shape of the mouse pointer.
561c0216 999* Window System Selections::Transferring text to and from other X clients.
c85c5553 1000* Drag and Drop:: Internals of Drag-and-Drop implementation.
cddd92e8 1001* Color Names:: Getting the definitions of color names.
c85c5553 1002* Text Terminal Colors:: Defining colors for text-only terminals.
cddd92e8 1003* Resources:: Getting resource values from the server.
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1004* Display Feature Testing:: Determining the features of a terminal.
1005
1006Frame Parameters
1007
1008* Parameter Access:: How to change a frame's parameters.
1009* Initial Parameters:: Specifying frame parameters when you make a frame.
1010* Window Frame Parameters:: List of frame parameters for window systems.
1011* Size and Position:: Changing the size and position of a frame.
1012* Geometry:: Parsing geometry specifications.
1013
1014Window Frame Parameters
1015
1016* Basic Parameters:: Parameters that are fundamental.
1017* Position Parameters:: The position of the frame on the screen.
1018* Size Parameters:: Frame's size.
1019* Layout Parameters:: Size of parts of the frame, and
1020 enabling or disabling some parts.
1021* Buffer Parameters:: Which buffers have been or should be shown.
1022* Management Parameters:: Communicating with the window manager.
1023* Cursor Parameters:: Controlling the cursor appearance.
561c0216 1024* Font and Color Parameters:: Fonts and colors for the frame text.
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1025
1026Positions
1027
1028* Point:: The special position where editing takes place.
1029* Motion:: Changing point.
1030* Excursions:: Temporary motion and buffer changes.
1031* Narrowing:: Restricting editing to a portion of the buffer.
1032
1033Motion
1034
1035* Character Motion:: Moving in terms of characters.
1036* Word Motion:: Moving in terms of words.
1037* Buffer End Motion:: Moving to the beginning or end of the buffer.
1038* Text Lines:: Moving in terms of lines of text.
1039* Screen Lines:: Moving in terms of lines as displayed.
1040* List Motion:: Moving by parsing lists and sexps.
1041* Skipping Characters:: Skipping characters belonging to a certain set.
1042
1043Markers
1044
1045* Overview of Markers:: The components of a marker, and how it relocates.
1046* Predicates on Markers:: Testing whether an object is a marker.
1047* Creating Markers:: Making empty markers or markers at certain places.
561c0216 1048* Information from Markers::Finding the marker's buffer or character position.
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1049* Marker Insertion Types:: Two ways a marker can relocate when you
1050 insert where it points.
1051* Moving Markers:: Moving the marker to a new buffer or position.
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1052* The Mark:: How "the mark" is implemented with a marker.
1053* The Region:: How to access "the region".
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1054
1055Text
1056
1057* Near Point:: Examining text in the vicinity of point.
1058* Buffer Contents:: Examining text in a general fashion.
c85c5553 1059* Comparing Text:: Comparing substrings of buffers.
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1060* Insertion:: Adding new text to a buffer.
1061* Commands for Insertion:: User-level commands to insert text.
1062* Deletion:: Removing text from a buffer.
1063* User-Level Deletion:: User-level commands to delete text.
1064* The Kill Ring:: Where removed text sometimes is saved for
1065 later use.
1066* Undo:: Undoing changes to the text of a buffer.
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1067* Maintaining Undo:: How to enable and disable undo information.
1068 How to control how much information is kept.
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1069* Filling:: Functions for explicit filling.
1070* Margins:: How to specify margins for filling commands.
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1071* Adaptive Fill:: Adaptive Fill mode chooses a fill prefix
1072 from context.
1073* Auto Filling:: How auto-fill mode is implemented to break lines.
cddd92e8 1074* Sorting:: Functions for sorting parts of the buffer.
cddd92e8 1075* Columns:: Computing horizontal positions, and using them.
c85c5553 1076* Indentation:: Functions to insert or adjust indentation.
cddd92e8 1077* Case Changes:: Case conversion of parts of the buffer.
c85c5553 1078* Text Properties:: Assigning Lisp property lists to text characters.
cddd92e8 1079* Substitution:: Replacing a given character wherever it appears.
c85c5553 1080* Transposition:: Swapping two portions of a buffer.
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1081* Registers:: How registers are implemented. Accessing
1082 the text or position stored in a register.
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1083* Base 64:: Conversion to or from base 64 encoding.
1084* MD5 Checksum:: Compute the MD5 "message digest"/"checksum".
1085* Atomic Changes:: Installing several buffer changes "atomically".
1086* Change Hooks:: Supplying functions to be run when text is changed.
177c0ea7 1087
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1088The Kill Ring
1089
1090* Kill Ring Concepts:: What text looks like in the kill ring.
1091* Kill Functions:: Functions that kill text.
c85c5553 1092* Yanking:: How yanking is done.
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1093* Yank Commands:: Commands that access the kill ring.
1094* Low-Level Kill Ring:: Functions and variables for kill ring access.
561c0216 1095* Internals of Kill Ring:: Variables that hold kill ring data.
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1096
1097Indentation
1098
1099* Primitive Indent:: Functions used to count and insert indentation.
1100* Mode-Specific Indent:: Customize indentation for different modes.
1101* Region Indent:: Indent all the lines in a region.
1102* Relative Indent:: Indent the current line based on previous lines.
1103* Indent Tabs:: Adjustable, typewriter-like tab stops.
1104* Motion by Indent:: Move to first non-blank character.
1105
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1106Text Properties
1107
1108* Examining Properties:: Looking at the properties of one character.
1109* Changing Properties:: Setting the properties of a range of text.
1110* Property Search:: Searching for where a property changes value.
1111* Special Properties:: Particular properties with special meanings.
1112* Format Properties:: Properties for representing formatting of text.
1113* Sticky Properties:: How inserted text gets properties from
1114 neighboring text.
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1115* Lazy Properties:: Computing text properties in a lazy fashion
1116 only when text is examined.
1117* Clickable Text:: Using text properties to make regions of text
1118 do something when you click on them.
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1119* Fields:: The @code{field} property defines
1120 fields within the buffer.
1121* Not Intervals:: Why text properties do not use
1122 Lisp-visible text intervals.
1123
561c0216 1124Non-@acronym{ASCII} Characters
c85c5553 1125
561c0216 1126* Text Representations:: How Emacs represents text.
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1127* Converting Representations:: Converting unibyte to multibyte and vice versa.
1128* Selecting a Representation:: Treating a byte sequence as unibyte or multi.
1129* Character Codes:: How unibyte and multibyte relate to
1130 codes of individual characters.
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GM
1131* Character Properties:: Character attributes that define their
1132 behavior and handling.
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1133* Character Sets:: The space of possible character codes
1134 is divided into various character sets.
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1135* Scanning Charsets:: Which character sets are used in a buffer?
1136* Translation of Characters:: Translation tables are used for conversion.
1137* Coding Systems:: Coding systems are conversions for saving files.
1138* Input Methods:: Input methods allow users to enter various
1139 non-ASCII characters without special keyboards.
1140* Locales:: Interacting with the POSIX locale.
1141
1142Coding Systems
1143
1144* Coding System Basics:: Basic concepts.
1145* Encoding and I/O:: How file I/O functions handle coding systems.
1146* Lisp and Coding Systems:: Functions to operate on coding system names.
1147* User-Chosen Coding Systems:: Asking the user to choose a coding system.
1148* Default Coding Systems:: Controlling the default choices.
1149* Specifying Coding Systems:: Requesting a particular coding system
1150 for a single file operation.
1151* Explicit Encoding:: Encoding or decoding text without doing I/O.
1152* Terminal I/O Encoding:: Use of encoding for terminal I/O.
1153* MS-DOS File Types:: How DOS "text" and "binary" files
1154 relate to coding systems.
1155
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1156Searching and Matching
1157
1158* String Search:: Search for an exact match.
c85c5553 1159* Searching and Case:: Case-independent or case-significant searching.
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1160* Regular Expressions:: Describing classes of strings.
1161* Regexp Search:: Searching for a match for a regexp.
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KB
1162* POSIX Regexps:: Searching POSIX-style for the longest match.
1163* Match Data:: Finding out which part of the text matched,
1164 after a string or regexp search.
1165* Search and Replace:: Commands that loop, searching and replacing.
cddd92e8 1166* Standard Regexps:: Useful regexps for finding sentences, pages,...
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1167
1168Regular Expressions
1169
1170* Syntax of Regexps:: Rules for writing regular expressions.
1171* Regexp Example:: Illustrates regular expression syntax.
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KB
1172* Regexp Functions:: Functions for operating on regular expressions.
1173
1174Syntax of Regular Expressions
1175
1176* Regexp Special:: Special characters in regular expressions.
1177* Char Classes:: Character classes used in regular expressions.
1178* Regexp Backslash:: Backslash-sequences in regular expressions.
1179
1180The Match Data
1181
1182* Replacing Match:: Replacing a substring that was matched.
1183* Simple Match Data:: Accessing single items of match data,
1184 such as where a particular subexpression started.
1185* Entire Match Data:: Accessing the entire match data at once, as a list.
1186* Saving Match Data:: Saving and restoring the match data.
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1187
1188Syntax Tables
1189
c85c5553 1190* Syntax Basics:: Basic concepts of syntax tables.
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1191* Syntax Descriptors:: How characters are classified.
1192* Syntax Table Functions:: How to create, examine and alter syntax tables.
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1193* Syntax Properties:: Overriding syntax with text properties.
1194* Motion and Syntax:: Moving over characters with certain syntaxes.
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1195* Parsing Expressions:: Parsing balanced expressions
1196 using the syntax table.
1197* Standard Syntax Tables:: Syntax tables used by various major modes.
1198* Syntax Table Internals:: How syntax table information is stored.
c85c5553 1199* Categories:: Another way of classifying character syntax.
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1200
1201Syntax Descriptors
1202
1203* Syntax Class Table:: Table of syntax classes.
1204* Syntax Flags:: Additional flags each character can have.
1205
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1206Parsing Expressions
1207
1208* Motion via Parsing:: Motion functions that work by parsing.
1209* Position Parse:: Determining the syntactic state of a position.
1210* Parser State:: How Emacs represents a syntactic state.
1211* Low-Level Parsing:: Parsing across a specified region.
1212* Control Parsing:: Parameters that affect parsing.
1213
561c0216 1214Abbrevs and Abbrev Expansion
cddd92e8
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1215
1216* Abbrev Mode:: Setting up Emacs for abbreviation.
c85c5553 1217* Abbrev Tables:: Creating and working with abbrev tables.
cddd92e8 1218* Defining Abbrevs:: Specifying abbreviations and their expansions.
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1219* Abbrev Files:: Saving abbrevs in files.
1220* Abbrev Expansion:: Controlling expansion; expansion subroutines.
cddd92e8 1221* Standard Abbrev Tables:: Abbrev tables used by various major modes.
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GM
1222* Abbrev Properties:: How to read and set abbrev properties.
1223 Which properties have which effect.
1224* Abbrev Table Properties:: How to read and set abbrev table properties.
1225 Which properties have which effect.
cddd92e8
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1226
1227Processes
1228
1229* Subprocess Creation:: Functions that start subprocesses.
c85c5553 1230* Shell Arguments:: Quoting an argument to pass it to a shell.
cddd92e8
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1231* Synchronous Processes:: Details of using synchronous subprocesses.
1232* Asynchronous Processes:: Starting up an asynchronous subprocess.
1233* Deleting Processes:: Eliminating an asynchronous subprocess.
1234* Process Information:: Accessing run-status and other attributes.
1235* Input to Processes:: Sending input to an asynchronous subprocess.
1236* Signals to Processes:: Stopping, continuing or interrupting
1237 an asynchronous subprocess.
1238* Output from Processes:: Collecting output from an asynchronous subprocess.
1239* Sentinels:: Sentinels run when process run-status changes.
c85c5553 1240* Query Before Exit:: Whether to query if exiting will kill a process.
e45e90b3 1241* System Processes:: Accessing other processes running on your system.
c85c5553 1242* Transaction Queues:: Transaction-based communication with subprocesses.
cddd92e8 1243* Network:: Opening network connections.
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1244* Network Servers:: Network servers let Emacs accept net connections.
1245* Datagrams:: UDP network connections.
1246* Low-Level Network:: Lower-level but more general function
1247 to create connections and servers.
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GM
1248* Misc Network:: Additional relevant functions for
1249 network connections.
e45e90b3 1250* Serial Ports:: Communicating with serial ports.
c85c5553 1251* Byte Packing:: Using bindat to pack and unpack binary data.
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1252
1253Receiving Output from Processes
1254
1255* Process Buffers:: If no filter, output is put in a buffer.
1256* Filter Functions:: Filter functions accept output from the process.
c85c5553 1257* Decoding Output:: Filters can get unibyte or multibyte strings.
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1258* Accepting Output:: How to wait until process output arrives.
1259
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KB
1260Low-Level Network Access
1261
561c0216
GM
1262* Network Processes:: Using @code{make-network-process}.
1263* Network Options:: Further control over network connections.
1264* Network Feature Testing:: Determining which network features work on
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1265 the machine you are using.
1266
1267Packing and Unpacking Byte Arrays
1268
1269* Bindat Spec:: Describing data layout.
1270* Bindat Functions:: Doing the unpacking and packing.
1271* Bindat Examples:: Samples of what bindat.el can do for you!
1272
1273Emacs Display
1274
1275* Refresh Screen:: Clearing the screen and redrawing everything on it.
1276* Forcing Redisplay:: Forcing redisplay.
1277* Truncation:: Folding or wrapping long text lines.
1278* The Echo Area:: Displaying messages at the bottom of the screen.
1279* Warnings:: Displaying warning messages for the user.
1280* Invisible Text:: Hiding part of the buffer text.
1281* Selective Display:: Hiding part of the buffer text (the old way).
1282* Temporary Displays:: Displays that go away automatically.
1283* Overlays:: Use overlays to highlight parts of the buffer.
1284* Width:: How wide a character or string is on the screen.
1285* Line Height:: Controlling the height of lines.
1286* Faces:: A face defines a graphics style
1287 for text characters: font, colors, etc.
1288* Fringes:: Controlling window fringes.
1289* Scroll Bars:: Controlling vertical scroll bars.
1290* Display Property:: Enabling special display features.
1291* Images:: Displaying images in Emacs buffers.
1292* Buttons:: Adding clickable buttons to Emacs buffers.
1293* Abstract Display:: Emacs' Widget for Object Collections.
1294* Blinking:: How Emacs shows the matching open parenthesis.
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GM
1295* Usual Display:: The usual conventions for displaying
1296 nonprinting chars.
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1297* Display Tables:: How to specify other conventions.
1298* Beeping:: Audible signal to the user.
1299* Window Systems:: Which window system is being used.
1300
1301The Echo Area
1302
1303* Displaying Messages:: Explicitly displaying text in the echo area.
1304* Progress:: Informing user about progress of a long operation.
1305* Logging Messages:: Echo area messages are logged for the user.
1306* Echo Area Customization:: Controlling the echo area.
1307
1308Reporting Warnings
1309
1310* Warning Basics:: Warnings concepts and functions to report them.
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GM
1311* Warning Variables:: Variables programs bind to customize
1312 their warnings.
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1313* Warning Options:: Variables users set to control display of warnings.
1314
1315Overlays
1316
1317* Managing Overlays:: Creating and moving overlays.
1318* Overlay Properties:: How to read and set properties.
1319 What properties do to the screen display.
1320* Finding Overlays:: Searching for overlays.
1321
1322Faces
1323
1324* Defining Faces:: How to define a face with @code{defface}.
1325* Face Attributes:: What is in a face?
1326* Attribute Functions:: Functions to examine and set face attributes.
1327* Displaying Faces:: How Emacs combines the faces specified for
1328 a character.
e45e90b3 1329* Face Remapping:: Remapping faces to alternative definitions.
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KB
1330* Face Functions:: How to define and examine faces.
1331* Auto Faces:: Hook for automatic face assignment.
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.
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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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1351* Specified Space:: Displaying one space with a specified width.
1352* Pixel Specification:: Specifying space width or height in pixels.
1353* Other Display Specs:: Displaying an image; magnifying text; moving it
1354 up or down on the page; adjusting the width
1355 of spaces within text.
1356* Display Margins:: Displaying text or images to the side of
1357 the main text.
1358
1359Images
1360
561c0216 1361* Image Formats:: Supported image formats.
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KB
1362* Image Descriptors:: How to specify an image for use in @code{:display}.
1363* XBM Images:: Special features for XBM format.
1364* XPM Images:: Special features for XPM format.
1365* GIF Images:: Special features for GIF format.
561c0216 1366* TIFF Images:: Special features for TIFF format.
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1367* PostScript Images:: Special features for PostScript format.
1368* Other Image Types:: Various other formats are supported.
1369* Defining Images:: Convenient ways to define an image for later use.
1370* Showing Images:: Convenient ways to display an image once
1371 it is defined.
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
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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.
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KB
1398* User Identification:: Finding the name and user id of the user.
1399* Time of Day:: Getting the current time.
561c0216
GM
1400* Time Conversion:: Converting a time from numeric form to
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.
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GM
1406* Timers:: Setting a timer to call a function at a
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
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1417
1418Starting Up Emacs
1419
561c0216
GM
1420* Startup Summary:: Sequence of actions Emacs performs at startup.
1421* Init File:: Details on reading the init file.
cddd92e8 1422* Terminal-Specific:: How the terminal-specific Lisp file is read.
c85c5553 1423* Command-Line Arguments:: How command-line arguments are processed,
cddd92e8
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1424 and how you can customize them.
1425
c85c5553 1426Getting Out of Emacs
cddd92e8
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1427
1428* Killing Emacs:: Exiting Emacs irreversibly.
1429* Suspending Emacs:: Exiting Emacs reversibly.
1430
c85c5553 1431Terminal Input
cddd92e8 1432
c85c5553
KB
1433* Input Modes:: Options for how input is processed.
1434* Recording Input:: Saving histories of recent or all input events.
1435
1436Tips and Conventions
1437
1438* Coding Conventions:: Conventions for clean and robust programs.
1439* Key Binding Conventions:: Which keys should be bound by which programs.
1440* Programming Tips:: Making Emacs code fit smoothly in Emacs.
1441* Compilation Tips:: Making compiled code run fast.
1442* Warning Tips:: Turning off compiler warnings.
1443* Documentation Tips:: Writing readable documentation strings.
1444* Comment Tips:: Conventions for writing comments.
1445* Library Headers:: Standard headers for library packages.
cddd92e8
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1446
1447GNU Emacs Internals
1448
c85c5553 1449* Building Emacs:: How the dumped Emacs is made.
cddd92e8
EZ
1450* Pure Storage:: A kludge to make preloaded Lisp functions sharable.
1451* Garbage Collection:: Reclaiming space for Lisp objects no longer used.
c85c5553 1452* Memory Usage:: Info about total size of Lisp objects made so far.
cddd92e8 1453* Writing Emacs Primitives:: Writing C code for Emacs.
c85c5553 1454* Object Internals:: Data formats of buffers, windows, processes.
cddd92e8
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1455
1456Object Internals
1457
1458* Buffer Internals:: Components of a buffer structure.
1459* Window Internals:: Components of a window structure.
1460* Process Internals:: Components of a process structure.
c85c5553 1461@end detailmenu
cddd92e8
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1462@end menu
1463
cddd92e8
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1464@include intro.texi
1465@include objects.texi
1466@include numbers.texi
1467@include strings.texi
1468
1469@include lists.texi
1470@include sequences.texi
c85c5553 1471@include hash.texi
cddd92e8
EZ
1472@include symbols.texi
1473@include eval.texi
1474
1475@include control.texi
1476@include variables.texi
1477@include functions.texi
1478@include macros.texi
1479
c85c5553 1480@include customize.texi
cddd92e8
EZ
1481@include loading.texi
1482@include compile.texi
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KB
1483@include advice.texi
1484
561c0216 1485@c This includes edebug.texi.
cddd92e8
EZ
1486@include debugging.texi
1487@include streams.texi
cddd92e8
EZ
1488@include minibuf.texi
1489@include commands.texi
c85c5553 1490
cddd92e8
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1491@include keymaps.texi
1492@include modes.texi
c85c5553
KB
1493@include help.texi
1494@include files.texi
cddd92e8 1495
c85c5553 1496@include backups.texi
cddd92e8 1497
c85c5553 1498@c ================ Beginning of Volume 2 ================
cddd92e8 1499@c include buffers.texi
cddd92e8
EZ
1500@c include windows.texi
1501@c include frames.texi
c85c5553 1502
cddd92e8
EZ
1503@c include positions.texi
1504@c include markers.texi
1505@c include text.texi
c85c5553 1506@c include nonascii.texi
cddd92e8
EZ
1507
1508@c include searching.texi
1509@c include syntax.texi
1510@c include abbrevs.texi
cddd92e8 1511@c include processes.texi
c85c5553 1512
cddd92e8 1513@c include display.texi
c85c5553 1514@c include os.texi
cddd92e8
EZ
1515
1516@c MOVE to Emacs Manual: include misc-modes.texi
1517
1518@c appendices
1519
1520@c REMOVE this: include non-hacker.texi
1521
c85c5553
KB
1522@c include anti.texi
1523@c include doclicense.texi
1524@c include gpl.texi
cddd92e8
EZ
1525@c include tips.texi
1526@c include internals.texi
1527@c include errors.texi
1528@c include locals.texi
1529@c include maps.texi
1530@c include hooks.texi
cddd92e8 1531
c85c5553 1532@include index.texi
cddd92e8 1533
c85c5553
KB
1534@ignore
1535@node New Symbols, , Index, Top
1536@unnumbered New Symbols Since the Previous Edition
1537
1538@printindex tp
1539@end ignore
cddd92e8
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1540
1541@bye
1542
1543\f
1544These words prevent "local variables" above from confusing Emacs.
ab5796a9
MB
1545
1546@ignore
1547 arch-tag: 9594760d-8801-4d1b-aeb9-f3b3166b5be2
1548@end ignore