[kile] doc: doc: Write docbook date in standard format

[Alexander Potashev]

Git commit 1d7a3266662ab8a3c578feeb833eee206246791e by Alexander Potashev.
Committed on 12/06/2019 at 21:39.
Pushed by aspotashev into branch 'master'.

doc: Write docbook date in standard format

M  +1    -1    doc/index.docbook

https://commits.kde.org/kile/1d7a3266662ab8a3c578feeb833eee206246791e

diff --git a/doc/index.docbook b/doc/index.docbook
index 36a68bc9..6bf15784 100644
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -72,7 +72,7 @@
 <holder>Felix Mauch</holder>
 </copyright>
 
-<date>May 22, 2011</date>
+<date>2011-05-22</date>
 <releaseinfo>2.1</releaseinfo>
 
 <legalnotice>