[DOXIA-467] Confluence: Inconsistent handling of '\' escape characters, incorrect handling of \\ inside {{monospace}} blocks. 
Escaping within monospaced block

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia/trunk@1463228 13f79535-47bb-0310-9956-ffa450edef68