documentation_hacking.xml: Remove obsolete link to DocBook Publishing Tools.
authorGerald Pfeifer <gerald@pfeifer.com>
Mon, 6 Feb 2017 10:26:59 +0000 (10:26 +0000)
committerGerald Pfeifer <gerald@gcc.gnu.org>
Mon, 6 Feb 2017 10:26:59 +0000 (10:26 +0000)
commitef7df1533834873ae913f00bc1378fb7f00271ea
treed81862ed70eebb86dbc3693df10212c8d39ad2e9
parentdf9e7ffb63a20f30f35a619dba091acf23d2f1b4
documentation_hacking.xml: Remove obsolete link to DocBook Publishing Tools.

* doc/xml/manual/documentation_hacking.xml: Remove obsolete link
to DocBook Publishing Tools.
epubcheck has moved to GitHub.
Update URL of the DocBook Element Reference; use that term as
link description instead of "online".

From-SVN: r245205
libstdc++-v3/ChangeLog
libstdc++-v3/doc/xml/manual/documentation_hacking.xml