Description of problem:

When trying to build HTML for a language, publican is using deprecated entries (#~).

Version-Release number of selected component (if applicable): 1.4


How reproducible: always


Steps to Reproduce:
1. publican build --langs it-IT --formats html
2. The build will stop with this error message:

DEBUG: Publican: config loaded
Setting up it-IT

not well-formed (invalid token) at line 4, column 78, byte 240:
<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
]>
<para>#~ "Successivamente apparirà la casella di dialogo <guilabel>Benvenuto</"#~ "guilabel>."</para>
=============================================================================^
 at /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi/XML/Parser.pm line 187

3. Checking the PO File, it says:
#~ msgid "Next, the <guilabel>Welcome</guilabel> dialog appears."
#~ msgstr ""
#~ "Successivamente apparirà la casella di dialogo <guilabel>Benvenuto</"
#~ "guilabel>."

Actual results:
The XML is built using the entry and the process fail

Expected results:
This entries should be ignored.

Additional info:
Example taken from Installation_Guide for RHEL6.
svn: https://svn.devel.redhat.com/repos/ecs/Red_Hat_Enterprise_Linux/6.0/FINAL/Installation_Guide