Syckにカンマの後のs-separate(n,c)(YAML1.0ではs-s-required(n))が無いFlow Sequencesを許してもらう

after.txt

~% ruby -v -r syck -e 'p Syck.load("[0,1]")'
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]
[0, 1]

before.txt

% ruby -v -r syck -e 'p Syck.load("[0,1]")'
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]
[1]

patch.diff

diff --git a/lib/token.re b/lib/token.re
index c9fdf46..937c76c 100644
--- a/lib/token.re
+++ b/lib/token.re
@@ -306,7 +306,7 @@ LF = ( "\n" | "\r\n" ) ;
 SPC = " " ;
 TAB = "\t" ;
 SPCTAB = ( SPC | TAB ) ;
-ENDSPC = ( SPC+ | LF ) ;
+ENDSPC = ( SPC* | LF ) ;
 YINDENT = LF TAB* ( SPC | LF )* ;
 NULL = [\000] ;
 ANY = [\001-\377] ;