I've improved the commit message to better align org mode conventions
and also added a note to ORG-NEWS about the new feature.
From 19d1d83901d3cc4444959b0cef5d2832da307e01 Mon Sep 17 00:00:00 2001
From: memeplex <carlosjosep...@gmail.com>
Date: Wed, 2 Jan 2019 19:43:21 -0300
Subject: [PATCH] Add option to natively fontify LaTeX snippets and
environments
* lisp/org.el: add a 'native value to org-highlight-latex-and-related
that allows to use tex native font locking by means of
org-src-font-lock-fontify-block.
* etc/ORG-NEWS: add note about new feature.
---
etc/ORG-NEWS | 5 +++++
lisp/org.el | 24 +++++++++++++++---------
2 files changed, 20 insertions(+), 9 deletions(-)
diff --git a/etc/ORG-NEWS b/etc/ORG-NEWS
index c1e426c..51d6a07 100644
--- a/etc/ORG-NEWS
+++ b/etc/ORG-NEWS
@@ -99,6 +99,11 @@ system than the main Org document. For example:
*** New cell movement functions in tables
~S-<UP>~, ~S-<DOWN>~, ~S-<RIGHT>~, and ~S-<LEFT>~ now move cells in
the corresponding direction by swapping with the adjacent cell.
+*** New option to natively fontify LaTeX snippets and environments
+A 'native option was added to org-highlight-latex-and-related. It
+matches the same structures than 'latex but it calls
+org-src-font-lock-fontify-block instead, thus bringing about full
+LaTeX font locking.
** New functions
*** ~org-dynamic-block-insert-dblock~
diff --git a/lisp/org.el b/lisp/org.el
index 2e63a65..3c9a5dc 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -4138,6 +4138,7 @@ org-level-* faces."
"Non-nil means highlight LaTeX related syntax in the buffer.
When non nil, the value should be a list containing any of the
following symbols:
+ `native' Highlight LaTeX snippets and environments natively.
`latex' Highlight LaTeX snippets and environments.
`script' Highlight subscript and superscript.
`entities' Highlight entities."
@@ -4147,6 +4148,7 @@ following symbols:
:type '(choice
(const :tag "No highlighting" nil)
(set :greedy t :tag "Highlight"
+ (const :tag "LaTeX snippets and environments (native)" native)
(const :tag "LaTeX snippets and environments" latex)
(const :tag "Subscript and superscript" script)
(const :tag "Entities" entities))))
@@ -6093,7 +6095,8 @@ Result depends on variable `org-highlight-latex-and-related'."
(list org-match-substring-with-braces-regexp))
(org-use-sub-superscripts (list org-match-substring-regexp))))
(re-latex
- (when (memq 'latex org-highlight-latex-and-related)
+ (when (or (memq 'latex org-highlight-latex-and-related)
+ (memq 'native org-highlight-latex-and-related))
(let ((matchers (plist-get org-format-latex-options :matchers)))
(delq nil
(mapcar (lambda (x)
@@ -6117,17 +6120,20 @@ highlighting was done, nil otherwise."
(while (re-search-forward org-latex-and-related-regexp
nil t) ;; on purpose, we ignore LIMIT
(unless (cl-some (lambda (f) (memq f '(org-code org-verbatim underline
- org-special-keyword)))
+ org-special-keyword)))
(save-excursion
(goto-char (1+ (match-beginning 0)))
(face-at-point nil t)))
- (let ((offset (if (memq (char-after (1+ (match-beginning 0)))
- '(?_ ?^))
- 1
- 0)))
- (font-lock-prepend-text-property
- (+ offset (match-beginning 0)) (match-end 0)
- 'face 'org-latex-and-related)
+ (let* ((offset (if (memq (char-after (1+ (match-beginning 0)))
+ '(?_ ?^))
+ 1
+ 0))
+ (start (+ offset (match-beginning 0)))
+ (end (match-end 0)))
+ (if (memq 'native org-highlight-latex-and-related)
+ (org-src-font-lock-fontify-block "latex" start end)
+ (font-lock-prepend-text-property start end
+ 'face 'org-latex-and-related))
(add-text-properties (+ offset (match-beginning 0)) (match-end 0)
'(font-lock-multiline t)))
(throw 'found t)))
--
2.20.1
