From 2649105ae30edf97ac5f543b269886103c42c91c Mon Sep 17 00:00:00 2001 From: Tassilo Horn <tsdh@gnu.org> Date: Fri, 21 Aug 2015 20:18:34 +0200 Subject: [PATCH] Use add-function for prettify-symbols-compose-predicate * 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. --- etc/NEWS | 11 +++++++++++ lisp/textmodes/tex-mode.el | 3 ++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/etc/NEWS b/etc/NEWS index 17a6c3a0828..72af95e8de5 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -301,6 +301,13 @@ standards. ** Prog mode has some support for multi-mode indentation. 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. ** 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 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. By default, 32 spaces and four TABs are considered to be too much but `whitespace-big-indent-regexp' can be configured to change that. diff --git a/lisp/textmodes/tex-mode.el b/lisp/textmodes/tex-mode.el index 8f68c71fd17..78cfbeaf895 100644 --- a/lisp/textmodes/tex-mode.el +++ b/lisp/textmodes/tex-mode.el @@ -1256,7 +1256,8 @@ Entering SliTeX mode runs the hook `text-mode-hook', then the hook (font-lock-unfontify-region-function . tex-font-lock-unfontify-region))) (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 (syntax-propertize-rules latex-syntax-propertize-rules)) ;; TABs in verbatim environments don't do what you think. -- 2.39.5