X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/60dd06a08276422871cd3d491a44d10d4bdc690c..a9269c187774dea6e939066a79901f23ae79641f:/etc/TODO diff --git a/etc/TODO b/etc/TODO index f21d105b2c..c38b04a681 100644 --- a/etc/TODO +++ b/etc/TODO @@ -1,7 +1,6 @@ Emacs TODO List -*-outline-*- -Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 - Free Software Foundation, Inc. +Copyright (C) 2001-2011 Free Software Foundation, Inc. See the end of the file for license conditions. @@ -14,15 +13,10 @@ to the FSF. * Tentative plan for Emacs-24 -** Bidi -** lexbind: I haven't checked the status of the code recently, so - I don't know how realistic it is to include it. But it's been around - for a long time, and I trust Miles, so I have hope. ** concurrency: including it as an "experimental" compile-time option sounds good. Of course there might still be big questions around "which form of concurrency" we'll want. ** Overhaul of customize: sounds wonderful. -** some kind of color-theme: agreed. ** better support for dynamic embedded graphics: I like this idea (my mpc.el code could use it for the volume widget), tho I wonder if the resulting efficiency will be sufficient. @@ -31,7 +25,6 @@ to the FSF. and expand.el (any other?) and then advertise/use/improve it. ** Improve VC: yes, there's a lot of work to be done there :-( And most of it could/should make it into Emacs-23.3. -** package manager. ** Random things that cross my mind right now that I'd like to see (some of them from my local hacks), but it's not obvious at all whether they'll @@ -40,9 +33,8 @@ make it. fix_submap_inheritance hack and to more cleanly express the relationship between minibuffer-local-*-map): I've had this locally for a long time, but the details of the semantics is somewhat ... delicate. -*** prog-mode (a parent-mode, like text-mode). Could/should provide - a better fill-paragraph default that uses syntax-tables to recognize - string/comment boundaries. +*** prog-mode could/should provide a better fill-paragraph default + that uses syntax-tables to recognize string/comment boundaries. *** provide more completion-at-point-functions. Make existing in-buffer completion use completion-at-point. *** "functional" function-key-map that would make it easy to add (and @@ -56,8 +48,6 @@ suitable for anyone from beginners to experts. ** Convert modes that use view-mode to be derived from special-mode instead. -** Replace some uses of the preprocessor code in Makefile.in with the equivalent autoconf. - ** Major modes should have a menu entry. Examples of modes that do not have one at the moment and probably should: text-mode, inferior-lisp-mode. @@ -181,7 +171,14 @@ dired buffers and DTRT WRT `auto-revert-mode'. http://lists.gnu.org/archive/html/emacs-devel/2008-08/msg00456.html * Important features: - +** Extended text-properties (to make overlays "obsolete") +*** Several text-property planes +This would get us rid of font-lock-face property (and I'd be happy to +get rid of char-property-alias-alist as well) since font-lock would +simply use the `face' property in the `font-lock' plane. +Each property would come with an Elisp merge-function. The merge +would be performed in add-text-properties. +*** zero-width text-properties. ** Having tabs above a window to switch buffers in it. ** "Perspectives" are named persistent window configurations. We have @@ -199,8 +196,7 @@ Perspectives also need to interact with the tabs. ** Imenu could be extended into a file-structure browsing mechanism using code like that of customize-groups. -** Display something in the margin on lines that have compilation -errors. +** Display something in the margin on lines that have compilation errors. ** Compilation error navigation bar, parallel to the scroll bar, indicating where in the buffer there are compilation errors. @@ -318,8 +314,7 @@ typically due to pilot errors and should thus be in debug-ignored-errors. ** ange-ftp *** understand sftp - This is hard to make work because sftp doesn't print status - messages. + This is hard to make work because sftp doesn't print status messages. *** Use MLS for ange-ftp-insert-directory if a list of files is specified. @@ -357,8 +352,7 @@ typically due to pilot errors and should thus be in debug-ignored-errors. will then come in encoded in UTF-16. One advantage of switching to Unicode is to toss encoded-kbd usage, - which will solve the problem with binding non-ASCII keys with - modifiers. + which will solve the problem with binding non-ASCII keys with modifiers. Problem: using this on Windows 9x/ME requires installing the Microsoft Layer for Unicode (MSLU), which might not implement all @@ -384,8 +378,7 @@ typically due to pilot errors and should thus be in debug-ignored-errors. ** Make desktop.el save the "frame configuration" of Emacs (in some useful sense). -** Give desktop.el a feature to switch between different named - desktops. +** Give desktop.el a feature to switch between different named desktops. ** Add a cpio mode, more or less like tar mode. @@ -403,7 +396,7 @@ typically due to pilot errors and should thus be in debug-ignored-errors. the whole menu bar. In the mean time, it should process other messages. ** Get some major packages installed: W3 (development version needs - significant work), PSGML, _possibly_ Cedet and ECB. + significant work), PSGML, _possibly_ ECB. http://lists.gnu.org/archive/html/emacs-devel/2007-05/msg01493.html Check the assignments file for other packages which might go in and have been missed. @@ -440,13 +433,12 @@ http://lists.gnu.org/archive/html/emacs-devel/2008-02/msg02234.html ** Eliminate the storm of warnings concerning char/unsigned char mismatches that we get with GCC 4.x and proprietary compilers on - various systems. They make it difficult to spot the important - warnings. + various systems. They make it difficult to spot the important warnings. ** Fix anything necessary to use `long long' EMACS_INTs with GCC. -** Split out parts of lisp.h and generate Makefile dependencies - automatically. +** Split out parts of lisp.h [and generate Makefile dependencies automatically.] +[the last bit is done, see DEPFLAGS etc in src/Makefile.in ] ** Update the FAQ. @@ -459,8 +451,7 @@ http://lists.gnu.org/archive/html/emacs-devel/2008-02/msg02234.html [Do the existing -Q and -D cover this, or is more needed?] ** Improve the GC (generational, incremental). (We may be able to use - the Boehm collector.) [See the Boehm-GC branch in CVS for work on - this.] + the Boehm collector.) [See the Boehm-GC branch in CVS for work on this.] ** Check what hooks would help Emacspeak -- see the defadvising in W3. @@ -520,8 +511,7 @@ http://lists.gnu.org/archive/html/emacs-devel/2008-02/msg02234.html ** Reorder defcustom's in each package so that the more important options come first in the Customize buffers. This could be done by either rearranging the file (since options are shown in the order - they appear in the *.el files), or by adding a few :set-after - attributes. + they appear in the *.el files), or by adding a few :set-after attributes. ** Maybe document the features of libraries missing from the manual (or ancillary manuals, including the Lisp manual in some cases). @@ -618,6 +608,568 @@ http://lists.gnu.org/archive/html/emacs-devel/2008-02/msg02234.html the window associated with that modeline. http://lists.gnu.org/archive/html/emacs-devel/2007-09/msg02416.html +* Things to be done for specific packages or features + +** NeXTstep port + +*** Bugs + +**** (mouse-avoidance-mode 'banish) then minimize Emacs, will pop window back +up on top of all others + +**** free_frame_resources, face colors + +**** Numeric keysetting bug. + +*** Mac-related + +**** Open file:/// URLs. + +**** Put frame autopositioning into C code somewhere -- if loc = same, offset. + +**** Automap ctrl-mouse-1 to mouse-3. + +**** Deal with Finder aliases somehow. + +**** Ctrl-F2 won't pull up menus. + +*** Other / Low Priority: + +**** Better recognition of unicode scripts / Greek / composition. + +**** Undo for color-drag face customization. + +** Bidirectional editing + +*** Allow the user to control the direction of the UI + +**** Introduce user option to control direction of mode line. +This requires to figure out what to do with unibyte strings that are +used in constructing the mode line. Currently, unibyte strings are +not reordered by bidi.c, without which R2L mode line will not display +correctly. One possibility would be to STRING_SET_MULTIBYTE all Lisp +strings involved in the mode line, and then pass them through bidi.c. + +Another problem is the header line, which is produced by the same +routines as the mode line. While it makes sense to have the mode-line +direction controlled by a single global variable, header lines are +buffer-specific, so they need a separate treatment in this regard. + +**** User options to control direction of menu bar and tool bar. +For the tool bar, it's relatively easy: set it.paragraph_embedding +in redisplay_tool_bar according to the user variable, and make +f->desired_tool_bar_string multibyte with STRING_SET_MULTIBYTE. Some +minor changes will be needed to set the right_box_line_p and +left_box_line_p flags correctly for the R2L tool bar. + +However, it makes no sense to display the tool bar right to left if +the menu bar cannot be displayed in the same direction. + +R2L menu bar is tricky for the same reasons as the mode line. In +addition, toolkit builds create their menu bars in toolkit-specific +parts of code, bypassing xdisp.c, so those parts need to be enhanced +with toolkit-specific code to display the menu bar right to left. + +** ImageMagick support + +*** image-type-header-regexps priorities the jpeg loader over the +ImageMagick one. This is not wrong, but how should a user go about +prefering the ImageMagick loader? The user might like zooming etc in jpegs. + +Try (setq image-type-header-regexps nil) for a quick hack to prefer +ImageMagick over the jpg loader. + +*** For some reason its unbearably slow to look at a page in a large +image bundle using the :index feature. The ImageMagick "display" +command is also a bit slow, but nowhere near as slow as the Emacs +code. It seems ImageMagick tries to unpack every page when loading the +bundle. This feature is not the primary usecase in Emacs though. + +ImageMagick 6.6.2-9 introduced a bugfix for single page djvu load. It +is now much faster to use the :index feature, but still not very fast. + +*** Try to cache the num pages calculation. It can take a while to +calculate the number of pages, and if you need to do it for each page +view, page-flipping becomes uselessly slow. + +*** Integrate with image-dired. + +*** Integrate with docview. + +*** Integrate with image-mode. +Some work has been done, e.g. M-x image-transform-fit-to-height will +fit the image to the height of the Emacs window. + +*** Look for optimizations for handling images with low depth. +Currently the code seems to default to 24 bit RGB which is costly for +images with lower bit depth. + +*** Decide what to do with some uncommitted imagemagick support +functions for image size etc. + +*** Test with more systems. +Tested on Fedora 12, 14, and the libmagick that ships with it. +I also tried using an ImageMagick compiled from their SVN, in +parallel with the one packaged by Fedora, it worked well. +Ubuntu 8.04 was tested, but it seems it ships a broken ImageMagick. + +** nxml mode + +*** High priority + +**** Command to insert an element template, including all required +attributes and child elements. When there's a choice of elements +possible, we could insert a comment, and put an overlay on that +comment that makes it behave like a button with a pop-up menu to +select the appropriate choice. + +**** Command to tag a region. With a schema should complete using legal +tags, but should work without a schema as well. + +**** Provide a way to conveniently rename an element. With a schema should +complete using legal tags, but should work without a schema as well. + +*** Outlining + +**** Implement C-c C-o C-q. + +**** Install pre/post command hook for moving out of invisible section. + +**** Put a modify hook on invisible sections that expands them. + +**** Integrate dumb folding somehow. + +**** An element should be able to be its own heading. + +**** Optimize to avoid complete buffer scan on each command. + +**** Make it work with HTML-style headings (i.e. level indicated by +name of heading element rather than depth of section nesting). + +**** Recognize root element as a section provided it has a title, even +if it doesn't match section-element-name-regex. + +**** Support for incremental search automatically making hidden text visible. + +**** Allow title to be an attribute. + +**** Command that says to recognize the tag at point as a section/heading. + +**** Explore better ways to determine when an element is a section +or a heading. + +**** rng-next-error needs to either ignore invisible portion or reveal it +(maybe use isearch oriented text properties). + +**** Errors within hidden section should be highlighted by underlining the +ellipsis. + +**** Make indirect buffers work. + +**** How should nxml-refresh outline recover from non well-formed tags? + +**** Hide tags in title elements? + +**** Use overlays instead of text properties for holding outline state? +Necessary for indirect buffers to work? + +**** Allow an outline to go in the speedbar. + +**** Split up outlining manual section into subsections. + +**** More detail in the manual about each outlining command. + +**** More menu entries for hiding/showing? + +**** Indication of many lines have been hidden? + +*** Locating schemas + +**** Should rng-validate-mode give the user an opportunity to specify a +schema if there is currently none? Or should it at least give a hint +to the user how to specify a non-vacuous schema? + +**** Support for adding new schemas to schema-locating files. +Add documentElement and namespace elements. + +**** C-c C-w should be able to report current type id. + +**** Implement doctypePublicId. + +**** Implement typeIdBase. + +**** Implement typeIdProcessingInstruction. + +**** Support xml:base. + +**** Implement group. + +**** Find preferred prefix from schema-locating files. Get rid of +rng-preferred-prefix-alist. + +**** Inserting document element with vacuous schema should complete using +document elements declared in schema locating files, and set schema +appropriately. + +**** Add a ruleType attribute to the element? + +**** Allow processing instruction in prolog to contain the compact syntax +schema directly. + +**** Use RDDL to locate a schema based on the namespace URI. + +**** Should not prompt to add redundant association to schema locating file. + +**** Command to reload current schema. + +*** Schema-sensitive features + +**** Should filter dynamic markup possibilities using schema validity, by +adding hook to nxml-mode. + +**** Dynamic markup word should (at least optionally) be able to look in +other buffers that are using nxml-mode. + +**** Should clicking on Invalid move to next error if already on an error? + +**** Take advantage of a:documentation. Needs change to schema format. + +**** Provide feasible validation (as in Jing) toggle. + +**** Save the validation state as a property on the error overlay to enable +more detailed diagnosis. + +**** Provide an Error Summary buffer showing all the validation errors. + +**** Pop-up menu. What is useful? Tag a region (should be greyed out if +the region is not balanced). Suggestions based on error messages. + +**** Have configurable list of namespace URIs so that we can provide +namespace URI completion on extension elements or with schema-less documents. + +**** Allow validation to handle XInclude. + +**** ID/IDREF support. + +*** Completion + +**** Make it work with icomplete. Only use a function to complete when +some of the possible names have undeclared namespaces. + +**** How should C-return in mixed text work? + +**** When there's a vacuous schema, C-return after < will insert the end-tag. +Is this a bug or a feature? + +**** After completing start-tag, ensure we don't get unhelpful message +from validation + +**** Syntax table for completion. + +**** Should complete start-tag name with a space if namespace attributes +are required. + +**** When completing start-tag name with no prefix and it doesn't match +should try to infer namespace from local name. + +**** Should completion pay attention to characters after point? If so, how? + +**** When completing start-tag name, add required atts if only one required +attribute. + +**** When completing attribute name, add attribute value if only one value +is possible. + +**** After attribute-value completion, insert space after close delimiter +if more attributes are required. + +**** Complete on enumerated data values in elements. + +**** When in context that allows only elements, should get tag +completion without having to type < first. + +**** When immediately after start-tag name, and name is valid and not +prefix of any other name, should C-return complete on attribute names? + +**** When completing attributes, more consistent to ignore all attributes +after point. + +**** Inserting attribute value completions needs to be sensitive to what +delimiter is used so that it quotes the correct character. + +**** Complete on encoding-names in XML decl. + +**** Complete namespace declarations by searching for all namespaces +mentioned in the schema. + +*** Well-formed XML support + +**** Deal better with Mule-UCS + +**** Deal with UTF-8 BOM when reading. + +**** Complete entity names. + +**** Provide some support for entity names for MathML. + +**** Command to repeat the last tag. + +**** Support for changing between character references and characters. +Need to check that context is one in which character references are +allowed. xmltok prolog parsing will need to distinguish parameter +literals from other kinds of literal. + +**** Provide a comment command to bind to M-; that works better than the +normal one. + +**** Make indenting in a multi-line comment work. + +**** Structure view. Separate buffer displaying element tree. +Be able to navigate from structure view to document and vice-versa. + +**** Flash matching >. + +**** Smart selection command that selects increasingly large syntactically +coherent chunks of XML. If point is in an attribute value, first +select complete value; then if command is repeated, select value plus +delimiters, then select attribute name as well, then complete +start-tag, then complete element, then enclosing element, etc. + +**** ispell integration. + +**** Block-level items in mixed content should be indented, e.g: + This is list: +