Backport: ruby-mode: Detect regexps after `!'

Fixes: debbugs:19285
* lisp/progmodes/ruby-mode.el (ruby-syntax-before-regexp-re): Detect
regexps after `!'.

(cherry picked from commit 8854b9cf5283cac3e4a5a3726325a82b88c1fcb5)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index eaf7c4653af167cea6d17e08996292122a10908d..5c72fbdf29182bc8c79d0d2c1b1477ba10289dc5 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-20  Dmitry Gutov  <dgutov@yandex.ru>
+
+       * progmodes/ruby-mode.el (ruby-syntax-before-regexp-re): Detect
+       regexps after `!'.  (Bug#19285)
+
 2015-03-20  Dmitry Gutov  <dgutov@yandex.ru>
 
        * progmodes/ruby-mode.el (ruby-font-lock-keywords): Use

diff --git a/lisp/progmodes/ruby-mode.el b/lisp/progmodes/ruby-mode.el
index e15105eb332f6a0a44b3c7db808d2d4d14648cbd..39c9ca0d771a5c5ed8212d2316b41b8ef87de0f3 100644 (file)
--- a/lisp/progmodes/ruby-mode.el
+++ b/lisp/progmodes/ruby-mode.el
@@ -1777,7 +1777,7 @@ It will be properly highlighted even when the call omits parens.")
   (defvar ruby-syntax-before-regexp-re
     (concat
      ;; Special tokens that can't be followed by a division operator.
-     "\\(^\\|[[{|=(,~;<>]"
+     "\\(^\\|[[{|=(,~;<>!]"
      ;; Distinguish ternary operator tokens.
      ;; FIXME: They don't really have to be separated with spaces.
      "\\|[?:] "