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Use add-function for prettify-symbols-compose-predicate

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* lisp/textmodes/tex-mode.el (tex-common-initialization): Set
prettify-symbols-compose-predicate in terms of add-function.

* etc/NEWS: Mention prettify-symbols-compose-predicate and
prettify-symbols-mode support in tex-mode.
This commit is contained in:
Tassilo Horn 2015-08-21 20:18:34 +02:00
parent 74881b6e06
commit 2649105ae3
2 changed files with 13 additions and 1 deletions
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11
etc/NEWS
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@ -301,6 +301,13 @@ standards.
** Prog mode has some support for multi-mode indentation. ** Prog mode has some support for multi-mode indentation.
See `prog-indentation-context' and `prog-widen'. See `prog-indentation-context' and `prog-widen'.
** Prettify Symbols mode supports custom composition predicates. By
overriding the default `prettify-symbols-compose-predicate', modes can
specify in which contexts a symbol map be composed to some unicode
character. `prettify-symbols-default-compose-p' is the default which
is suitable for most programming languages such as C or Lisp (but not
(La)TeX).
** New `xterm-screen-extra-capabilities' config. ** New `xterm-screen-extra-capabilities' config.
** The `save-place' variable is replaced by a `save-place-mode'. ** The `save-place' variable is replaced by a `save-place-mode'.
@ -694,6 +701,10 @@ name patterns (e.x. all "FOR_DOXYGEN_ONLY_*") to be excluded.
*** New custom variable `tex-print-file-extension' to help users who *** New custom variable `tex-print-file-extension' to help users who
use PDF instead of DVI. use PDF instead of DVI.
*** TeX mode now supports Prettify Symbols mode. When enabling
`prettify-symbols-mode' in a tex-mode buffer, \alpha ... \omega, and
many other math macros are displayed using unicode characters.
** whitespace-mode: new 'big-indent style highlighting too much indentation. ** whitespace-mode: new 'big-indent style highlighting too much indentation.
By default, 32 spaces and four TABs are considered to be too much but By default, 32 spaces and four TABs are considered to be too much but
`whitespace-big-indent-regexp' can be configured to change that. `whitespace-big-indent-regexp' can be configured to change that.

3
lisp/textmodes/tex-mode.el
View file

@ -1256,7 +1256,8 @@ Entering SliTeX mode runs the hook `text-mode-hook', then the hook
(font-lock-unfontify-region-function (font-lock-unfontify-region-function
. tex-font-lock-unfontify-region))) . tex-font-lock-unfontify-region)))
(setq-local prettify-symbols-alist tex--prettify-symbols-alist) (setq-local prettify-symbols-alist tex--prettify-symbols-alist)
(setq-local prettify-symbols-compose-predicate #'tex--prettify-symbols-compose-p) (add-function :override (local 'prettify-symbols-compose-predicate)
#'tex--prettify-symbols-compose-p)
(setq-local syntax-propertize-function (setq-local syntax-propertize-function
(syntax-propertize-rules latex-syntax-propertize-rules)) (syntax-propertize-rules latex-syntax-propertize-rules))
;; TABs in verbatim environments don't do what you think. ;; TABs in verbatim environments don't do what you think.