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Improve structure of TODO
* etc/TODO: Various improvements to the document structure according to discussion with the maintainers.
This commit is contained in:
Stefan Kangas
parent
c0793cd9de
commit
317eb2d5b5
151
etc/TODO
151
etc/TODO
@ -29,95 +29,25 @@ are the ones we consider more important, but these also may be
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difficult to fix. Bugs with severity "minor" may be simpler, but this
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is not always true.
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* Speed up Elisp execution
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** Speed up function calls
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Change src/bytecode.c so that calls from byte-code functions to byte-code
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functions don't go through Ffuncall/funcall_lambda/exec_byte_code but instead
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stay within exec_byte_code.
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** Improve the byte-compiler to recognize immutable bindings
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Recognize immutable (lexical) bindings and get rid of them if they're
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used only once and/or they're bound to a constant expression.
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Such things aren't present in hand-written code, but macro expansion and
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defsubst can often end up generating things like
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(funcall (lambda (arg) (body)) actual) which then get optimized to
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(let ((arg actual)) (body)) but should additionally get optimized further
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when 'actual' is a constant/copyable expression.
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** Add an "indirect goto" byte-code
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Such a byte-code can be used for local lambda expressions.
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E.g. when you have code like
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(let ((foo (lambda (x) bar)))
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(dosomething
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(funcall foo toto)
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(blabla (funcall foo titi))))
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turn those 'funcalls' into jumps and their return into indirect jumps back.
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** Compile efficiently local recursive functions
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Similar to the previous point, we should be able to handle something like
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(letrec ((loop () (blabla) (if (toto) (loop))))
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(loop))
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which ideally should generate the same byte-code as
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(while (progn (blabla) (toto)))
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* Things that were planned for Emacs-24
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** Concurrency
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Including it as an "experimental" compile-time option sounds good. Of
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course there might still be big questions around "which form of
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concurrency" we'll want.
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** Spread Semantic
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** Improve the "code snippets" support
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Consolidate skeleton.el, tempo.el, and expand.el (any other?) and then
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advertise/use/improve it.
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** Improve VC
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Yes, there's a lot of work to be done there :-(
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** Random things that cross my mind right now that I'd like to see
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Some of them from my local hacks, but it's not obvious at all whether
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they'll make it.
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*** Prog-mode could/should provide a better fill-paragraph default
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That default should use syntax-tables to recognize string/comment
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boundaries.
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*** Provide more completion-at-point-functions
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Make existing in-buffer completion use completion-at-point.
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*** "Functional" function-key-map
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It would make it easy to add (and remove) mappings like
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"FOO-mouse-4 -> FOO-scroll-down", "FOO-tab -> ?\FOO-\t",
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"uppercase -> lowercase", "[fringe KEY...] -> [KEY]",
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"H-FOO -> M-FOO", "C-x C-y FOO -> H-FOO", ...
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* Things related to elpa.gnu.org.
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* High Priority Items
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** Things related to elpa.gnu.org.
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We need to figure out how to best include GNU ELPA packages in the
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Emacs tarball before doing any of the items below.
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** Move idlwave to elpa.gnu.org
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*** Move idlwave to elpa.gnu.org
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Need to sync up the Emacs and external versions.
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See <https://lists.gnu.org/r/emacs-devel/2014-07/msg00008.html>
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<https://debbugs.gnu.org/39992>
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** Move Org mode to elpa.gnu.org
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*** Move Org mode to elpa.gnu.org
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See <https://lists.gnu.org/r/emacs-devel/2014-08/msg00300.html>
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<https://lists.gnu.org/r/emacs-devel/2014-11/msg00257.html>
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** Move verilog-mode to elpa.gnu.org
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*** Move verilog-mode to elpa.gnu.org
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See <https://lists.gnu.org/r/emacs-devel/2015-02/msg01180.html>
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** Move vhdl-mode to elpa.gnu.org
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*** Move vhdl-mode to elpa.gnu.org
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See <https://lists.gnu.org/r/emacs-devel/2015-02/msg01180.html>
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* Simple tasks
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@ -242,6 +172,44 @@ https://lists.gnu.org/r/emacs-devel/2008-08/msg00456.html
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* Important features
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** Speed up Elisp execution
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*** Speed up function calls
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Change src/bytecode.c so that calls from byte-code functions to byte-code
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functions don't go through Ffuncall/funcall_lambda/exec_byte_code but instead
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stay within exec_byte_code.
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*** Improve the byte-compiler to recognize immutable bindings
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Recognize immutable (lexical) bindings and get rid of them if they're
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used only once and/or they're bound to a constant expression.
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Such things aren't present in hand-written code, but macro expansion and
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defsubst can often end up generating things like
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(funcall (lambda (arg) (body)) actual) which then get optimized to
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(let ((arg actual)) (body)) but should additionally get optimized further
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when 'actual' is a constant/copyable expression.
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** Add an "indirect goto" byte-code
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Such a byte-code can be used for local lambda expressions.
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E.g. when you have code like
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(let ((foo (lambda (x) bar)))
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(dosomething
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(funcall foo toto)
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(blabla (funcall foo titi))))
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turn those 'funcalls' into jumps and their return into indirect jumps back.
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*** Compile efficiently local recursive functions
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Similar to the previous point, we should be able to handle something like
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(letrec ((loop () (blabla) (if (toto) (loop))))
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(loop))
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which ideally should generate the same byte-code as
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(while (progn (blabla) (toto)))
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** "Emacs as word processor"
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https://lists.gnu.org/r/emacs-devel/2013-11/msg00515.html
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rms writes:
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@ -392,6 +360,11 @@ should invoke the 'shape' method. 'hbfont_shape' should be extended
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to pass to 'hb_shape_full' the required array of features, as
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mentioned in the above HarfBuzz discussion.
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** Concurrency
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Stefan Monnier writes: "Including it as an 'experimental' compile-time
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option sounds good. Of course there might still be big questions
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around 'which form of concurrency' we'll want."
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** Better support for displaying Emoji
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Emacs is capable of displaying Emoji and some of the Emoji sequences,
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provided that its fontsets are configured with a suitable font. To
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@ -669,6 +642,13 @@ could also be a button that you could use to view the advice.
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** Add a function to get the insertion-type of the markers in an overlay
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** Improve VC
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Yes, there's a lot of work to be done there :-(
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** Improve the "code snippets" support
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Consolidate skeleton.el, tempo.el, and expand.el (any other?) and then
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advertise/use/improve it.
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** ange-ftp
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*** Make ange-ftp understand sftp
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@ -906,6 +886,25 @@ The idea is to add an "X" of some kind, that when clicked deletes the
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window associated with that modeline.
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https://lists.gnu.org/r/emacs-devel/2007-09/msg02416.html
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** Random things that were planned for Emacs-24
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Stefan Monnier writes: "Random things that cross my mind right now
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that I'd like to see. Some of them from my local hacks, but it's not
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obvious at all whether they'll make it."
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*** Prog-mode could/should provide a better fill-paragraph default
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That default should use syntax-tables to recognize string/comment
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boundaries.
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*** Provide more completion-at-point-functions
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Make existing in-buffer completion use completion-at-point.
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*** "Functional" function-key-map
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It would make it easy to add (and remove) mappings like
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"FOO-mouse-4 -> FOO-scroll-down", "FOO-tab -> ?\FOO-\t",
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"uppercase -> lowercase", "[fringe KEY...] -> [KEY]",
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"H-FOO -> M-FOO", "C-x C-y FOO -> H-FOO", ...
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* Things to be done for specific packages or features
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** NeXTstep port
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