Don't treat $ as special if escaped.

diff --git a/lisp/hilit19.el b/lisp/hilit19.el
index eca6d350f2eaf74d86cf0f1cbabd004395ab0a8c..348b6c55a3684de58390709848cd11d8e05f9b13 100644 (file)
--- a/lisp/hilit19.el
+++ b/lisp/hilit19.el
@@ -1257,7 +1257,7 @@ number of backslashes."
    ;; formulas
    ("[^\\]\\\\("  "\\\\)" formula)                   ; \( \)
    ("[^\\]\\\\\\[" "\\\\\\]" formula)                ; \[ \]
-   ("[^$]\\($\\($[^$]*\\$\\|[^$]*\\)\\$\\)" 1 formula) ; '$...$' or '$$...$$'
+   ("[^\\$]\\($\\($[^$]*\\$\\|[^$]*\\)\\$\\)" 1 formula) ; '$...$' or '$$...$$'
    
    ;; things that bring in external files
    ("\\\\\\(include\\|input\\|bibliography\\){" "}" include)