YYEOF is not a character, it's token type.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1626019 13f79535-47bb-0310-9956-ffa450edef68
jdoc link typo.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1626020 13f79535-47bb-0310-9956-ffa450edef68