[umbrello] doc: Revert "Update DTD"

[Luigi Toscano]

Git commit d6e9c3efe7edd3aaeb8d090c577cdbe57e583e48 by Luigi Toscano.
Committed on 03/08/2017 at 07:02.
Pushed by ltoscano into branch 'master'.

Revert "Update DTD"

Unfortunately it can't be done right now (see the discussion
on release-team@).

CCMAIL: yurchor at ukr.net

This reverts commit 2c119fb53b07bf8145e313aff04e31ceebcbd4f8.

M  +2    -2    doc/index.docbook

https://commits.kde.org/umbrello/d6e9c3efe7edd3aaeb8d090c577cdbe57e583e48

diff --git a/doc/index.docbook b/doc/index.docbook
index 685d8984c..3a260e777 100644
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -1,7 +1,7 @@
 <?xml version="1.0" ?>
 
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.5-Based Variant V1.1//EN"
- "dtd/kdedbx45.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN"
+ "dtd/kdex.dtd" [
  <!ENTITY umbrello "<application>Umbrello &UML; Modeller</application>">
  <!ENTITY kappname "&umbrello;">
  <!ENTITY packagename "kdesdk">