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

[Alexander Potashev]

Git commit 51f214b9e3460f0ecf8242a1dc255831e8daf56b by Alexander Potashev.
Committed on 12/06/2019 at 12:09.
Pushed by aspotashev into branch 'master'.

doc: Write docbook date in standard format

M  +1    -1    doc/man-po2xml.1.docbook
M  +1    -1    doc/man-split2po.1.docbook
M  +1    -1    doc/man-swappo.1.docbook
M  +1    -1    doc/man-xml2pot.1.docbook

https://commits.kde.org/poxml/51f214b9e3460f0ecf8242a1dc255831e8daf56b

diff --git a/doc/man-po2xml.1.docbook b/doc/man-po2xml.1.docbook
index 41a04b2..2274f83 100644
--- a/doc/man-po2xml.1.docbook
+++ b/doc/man-po2xml.1.docbook
@@ -7,7 +7,7 @@
 <refentryinfo>
 <author><personname><firstname>Ben</firstname><surname>Burton</surname></personname>
 <email>bab at debian.org</email></author>
-<date>April 8, 2003</date>
+<date>2003-04-08</date>
 </refentryinfo>
 
 <refmeta>
diff --git a/doc/man-split2po.1.docbook b/doc/man-split2po.1.docbook
index 3ec1e29..f3302fa 100644
--- a/doc/man-split2po.1.docbook
+++ b/doc/man-split2po.1.docbook
@@ -6,7 +6,7 @@
 <refentry lang="&language;">
 <refentryinfo>
 <author><personname><firstname>Ben</firstname><surname>Burton</surname></personname><email>bab at debian.org</email></author>
-<date>April 7, 2003</date>
+<date>2003-04-07</date>
 </refentryinfo>
 
 <refmeta>
diff --git a/doc/man-swappo.1.docbook b/doc/man-swappo.1.docbook
index e43c81b..f2f4726 100644
--- a/doc/man-swappo.1.docbook
+++ b/doc/man-swappo.1.docbook
@@ -6,7 +6,7 @@
 <refentry lang="&language;">
 <refentryinfo>
 <author><personname><firstname>Ben</firstname><surname>Burton</surname></personname><email>bab at debian.org</email></author>
-<date>April 7, 2003</date>
+<date>2003-04-07</date>
 </refentryinfo>
 
 <refmeta>
diff --git a/doc/man-xml2pot.1.docbook b/doc/man-xml2pot.1.docbook
index aa090fd..7d1329e 100644
--- a/doc/man-xml2pot.1.docbook
+++ b/doc/man-xml2pot.1.docbook
@@ -6,7 +6,7 @@
 <refentry lang="&language;">
 <refentryinfo>
 <author><personname><firstname>Ben</firstname><surname>Burton</surname></personname><email>bab at debian.org</email></author>
-<date>April 7, 2003</date>
+<date>2003-04-07</date>
 </refentryinfo>
 
 <refmeta>