diff options
Diffstat (limited to 'lisp/textmodes/tex-mode.el')
| -rw-r--r-- | lisp/textmodes/tex-mode.el | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/lisp/textmodes/tex-mode.el b/lisp/textmodes/tex-mode.el index 5757100468b..034caeee702 100644 --- a/lisp/textmodes/tex-mode.el +++ b/lisp/textmodes/tex-mode.el @@ -243,6 +243,21 @@ Normally set to either `plain-tex-mode' or `latex-mode'." :options '("''" "\">" "\"'" ">>" "ยป") :group 'tex) +(defcustom tex-fontify-script t + "If non-nil, fontify subscript and superscript strings." + :type 'boolean + :group 'tex) +(put 'tex-fontify-script 'safe-local-variable 'booleanp) + +(defcustom tex-font-script-display '(-0.3 . 0.3) + "Display specification for subscript and superscript content. +The car is used for subscript, the cdr is used for superscripts." + :group 'tex + :type '(cons (choice (float :tag "Subscript") + (const :tag "No lowering" nil)) + (choice (float :tag "Superscript") + (const :tag "No raising" nil)))) + (defvar tex-last-temp-file nil "Latest temporary file generated by \\[tex-region] and \\[tex-buffer]. Deleted when the \\[tex-region] or \\[tex-buffer] is next run, or when the @@ -593,13 +608,14 @@ An alternative value is \" . \", if you use a font with a narrow period." (setq pos (1- pos) odd (not odd))) odd)) (if (eq (char-after pos) ?_) - '(face subscript display (raise -0.3)) - '(face superscript display (raise +0.3))))) + `(face subscript display (raise ,(car tex-font-script-display))) + `(face superscript display (raise ,(cdr tex-font-script-display)))))) (defun tex-font-lock-match-suscript (limit) "Match subscript and superscript patterns up to LIMIT." - (when (re-search-forward "[_^] *\\([^\n\\{}]\\|\ -\\\\\\([a-zA-Z@]+\\|[^ \t\n]\\)\\|\\({\\)\\)" limit t) + (when (and tex-fontify-script + (re-search-forward "[_^] *\\([^\n\\{}]\\|\ +\\\\\\([a-zA-Z@]+\\|[^ \t\n]\\)\\|\\({\\)\\)" limit t)) (when (match-end 3) (let ((beg (match-beginning 3)) (end (save-restriction |