of bytes to flush. anchor offsets now functional.
* ext/syck/syck.h (syck_emitter_flush): ditto.
* ext/syck/rubyext.c: ditto.
* ext/syck/token.c: URI escaping now supported.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4149 b2dd03c8-39d4-4d8f-98ff-823fe69b080e