* parse.y (parse_quotedwords): %w should allow parenthesis escape.

* parse.y (parse_qstring): %q should allow terminator escape.

* re.c (rb_reg_options): new method to give an option values.

* parse.y (cond0): disable special treating of integer literal in
  conditional unless option -e is supplied.  changes current
  behavior.  experimental.

* parse.y (cond0): give warning for string/integer literals and
  dot operators in conditionals unless option -e is supplied.

* re.c (rb_reg_equal): all option flags should be same to be equal.

* error.c (Init_Exception): make Interrupt a subclass of
  SignalException.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1167 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

misc/ruby-mode.el

@@ -749,7 +749,7 @@ An end of a defun is found by moving forward from the beginning of one."
      '("^\\s *def\\s +\\([^( ]+\\)"
        1 font-lock-function-name-face)
      ;; symbols
-     '("\\(^\\|[^:]\\)\\(:\\(\\w\\|_\\)+\\??\\)\\b"
+     '("\\(^\\|[^:]\\)\\(:\\([-+/%&|^~`]\\|\\*\\*?\\|<\\(<\\|=>?\\)?\\|>[>=]?\\|===?\\|=~\\|\\[\\]\\|\\(\\w\\|_\\)+\\([!?=]\\|\\b\\)\\)\\)"
        2 font-lock-reference-face))
     "*Additional expressions to highlight in ruby mode."))