in nanorc.sample, simplify the "c-file" regex for characters

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3339 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -11,7 +11,7 @@ CVS code -
 	- Update the copyright years to include 2006. (DLR)
 - doc/nanorc.sample:
 	- Tweak the "c-file" regex for characters to accept '"' again,
-	  as it's apparently valid. (DLR)
+	  as it's apparently valid, and simplify it. (DLR)
 	- Simplify the "shellscript" regex for command line options.
 	  (DLR)
 	- Replace instances of \" with ", since quotes inside string

doc/nanorc.sample

@@ -198,7 +198,7 @@
 # color brightyellow "\<(try|throw|catch|operator|new|delete)\>"
 # color magenta "\<(goto|continue|break|return)\>"
 # color brightcyan "^[[:space:]]*#[[:space:]]*(define|undef|include|ifn?def|endif|elif|else|if|warning|error)"
-# color brightmagenta "'([^'\]|(\\["'abfnrtv\\]))'" "'\\(([0-7][0-7]?)|([0-3][0-7][0-7]))'" "'\\x[0-9A-Fa-f][0-9A-Fa-f]?'"
+# color brightmagenta "'([^'\]|(\\["'abfnrtv\\]))'" "'\\(([0-7]{,2})|([0-3][0-7]{,2}))'" "'\\x[0-9A-Fa-f]{,2}'"
 ##
 ## GCC builtins
 ##