Problem in case of line termination (., a dot) direct after the \cite command

In case a sentence like:
  Cite reference at end of line with a dot \cite hicks2001.
is used the cite_key is hicks2001. (so including the .)

This is a regression of Bug 702584 - \cite rejects valid BibTeX keys

src/commentscan.l

@@ -917,7 +917,7 @@ ID        "$"?[a-z_A-Z\x80-\xFF][a-z_A-Z0-9\x80-\xFF]*
 LABELID   [a-z_A-Z\x80-\xFF][a-z_A-Z0-9\x80-\xFF\-]*
 CITESCHAR [a-z_A-Z\x80-\xFF]
 CITEECHAR [a-z_A-Z0-9\x80-\xFF\-\+:\/]*
-CITEID    {CITESCHAR}*{CITEECHAR}+("."{CITESCHAR}*{CITEECHAR}+)*
+CITEID    {CITESCHAR}{CITEECHAR}*("."{CITESCHAR}{CITEECHAR}*)*
 SCOPEID   {ID}({ID}*{BN}*"::"{BN}*)*({ID}?)
 SCOPENAME "$"?(({ID}?{BN}*("::"|"."){BN}*)*)((~{BN}*)?{ID})
 TMPLSPEC  "<"{BN}*[^>]+{BN}*">"

src/doctokenizer.l

@@ -335,7 +335,7 @@ LABELID   [a-z_A-Z\x80-\xFF][a-z_A-Z0-9\x80-\xFF\-]*
 PHPTYPE   [\\:a-z_A-Z0-9\x80-\xFF\-]+
 CITESCHAR [a-z_A-Z\x80-\xFF]
 CITEECHAR [a-z_A-Z0-9\x80-\xFF\-\+:\/]*
-CITEID    {CITESCHAR}*{CITEECHAR}+("."{CITESCHAR}*{CITEECHAR}+)*
+CITEID    {CITESCHAR}{CITEECHAR}*("."{CITESCHAR}{CITEECHAR}*)*
 MAILADR   ("mailto:")?[a-z_A-Z0-9.+-]+"@"[a-z_A-Z0-9-]+("."[a-z_A-Z0-9\-]+)+[a-z_A-Z0-9\-]+
 OPTSTARS  ("//"{BLANK}*)?"*"*{BLANK}*
 LISTITEM  {BLANK}*[-]("#")?{WS}