diff_po.pl: comments to usage

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39233 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/po/diff_po.pl b/po/diff_po.pl
index 3cc6154bf8bc9078efa345519bb269bf8da6f69e..7b89e6cebb4e48cf2c8c6635d92ee603a5ddc1b6 100755 (executable)
--- a/po/diff_po.pl
+++ b/po/diff_po.pl
@@ -3,6 +3,12 @@
 # file diff_po.pl
 # script to compare changes between translation files before merging them
 #
+# Examples of usage:
+# ./diff_po.pl cs.po.old cs.po
+# svn diff -r38367 --diff-cmd ./diff_po.pl cs.po
+# git difftool --extcmd=./diff_po.pl sk.po
+# ./diff_po.pl -r HEAD~100 cs.po       #fetch git revision and compare
+#
 # This file is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public
 # License as published by the Free Software Foundation; either