docbook.xsl: Okay to always emit macro synopsis, because we won't be writing

  RefEntry elements in the TOC anyway.

type.xsl: Don't highlight the entire declaration of class in the synopsis
  (to bring classes in line with functions)


[SVN r19858]

tools/boostbook

@@ -1 +1 @@
-Subproject commit d7cbec0dddc9eede7a21026aa6291283637d71ea
+Subproject commit 52653f365c385971ccd6c2bf172b9292f98104f1