Remove DITA 1.1 specification license list

DITA 1.1 specification is no longer distributed.
Remove Xalan from license list

Xalan is no longer distributed.
Revert "Remove Xalan from license list"

This reverts commit 4b19686399aa70837596b71fd3ce6c69b47d64f1.
Support marking wrapped lines in codeblock #1735
Fix codeblock wrapping implementation bugs #1735