Removing a mistaken doubled-up | which causes

an 'empty (sub)expression' error on MacOS X.
This fixes Savannah bug #42929.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5091 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2014-08-07  Benno Schulenberg  <bensberg@justemail.net>
+	* doc/syntax/nanorc.nanorc: Remove a mistaken OR which causes a
+	'Bad regex, empty (sub)expression' error on some systems.  This
+	fixes Savannah bug #42929.
+
 2014-08-03  Benno Schulenberg  <bensberg@justemail.net>
 	* doc/man/nano.1, doc/man/rnano.1: Tweak the formatting a bit so that
 	po4a will create a nicer POT file.

doc/syntax/nanorc.nanorc

@@ -7,7 +7,7 @@ icolor brightred "^[[:space:]]*((un)?(bind|set)|include|syntax|header|magic|lint
 
 # Keywords
 icolor brightgreen "^[[:space:]]*(set|unset)[[:space:]]+(allow_insecure_backup|autoindent|backup|backwards|boldtext|casesensitive|const|cut|fill|historylog|locking|morespace|mouse|multibuffer|noconvert|nofollow|nohelp|nonewlines|nowrap|poslog|preserve|quickblank|quiet|rebinddelete|rebindkeypad|regexp|smarthome|smooth|softwrap|suspend|tabsize|tabstospaces|tempfile|view|wordbounds)\>"
-icolor yellow "^[[:space:]]*set[[:space:]]+(functioncolor|keycolor||statuscolor|titlecolor)[[:space:]]+(bright)?(white|black|red|blue|green|yellow|magenta|cyan)?(,(white|black|red|blue|green|yellow|magenta|cyan))?\>"
+icolor yellow "^[[:space:]]*set[[:space:]]+(functioncolor|keycolor|statuscolor|titlecolor)[[:space:]]+(bright)?(white|black|red|blue|green|yellow|magenta|cyan)?(,(white|black|red|blue|green|yellow|magenta|cyan))?\>"
 icolor brightgreen "^[[:space:]]*set[[:space:]]+(backupdir|brackets|functioncolor|keycolor|matchbrackets|operatingdir|punct|quotestr|speller|statuscolor|titlecolor|whitespace)[[:space:]]+"
 icolor brightgreen "^[[:space:]]*bind[[:space:]]+((\^|M-)([[:alpha:]]|space|[]]|[0-9_=+{}|;:'\",./<>\?-])|F([1-9]|1[0-6])|Ins|Del)[[:space:]]+[[:alpha:]]+[[:space:]]+[[:alpha:]]+[[:space:]]*$"
 icolor brightgreen "^[[:space:]]*unbind[[:space:]]+((\^|M-)([[:alpha:]]|space|[]]|[0-9_=+{}|;:'\",./<>\?-])|F([1-9]|1[0-6])|Ins|Del)[[:space:]]+[[:alpha:]]+[[:space:]]*$"