[planner] Drop SGML in favor of XML.

[Alexandre Franke <afranke src gnome org>]

commit e9ecdb4e659bcf5a5abdd6c3888e17904221a48d
Author: Ahmed Baïzid <ahmed baizid org>
Date:   Tue Apr 7 00:04:54 2015 +0200

    Drop SGML in favor of XML.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=747423

 docs/libplanner/Makefile.am                                   | 4 ++--
 docs/libplanner/{libplanner-docs.sgml => libplanner-docs.xml} | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/docs/libplanner/Makefile.am b/docs/libplanner/Makefile.am
index 79a590a..033a0b0 100644
--- a/docs/libplanner/Makefile.am
+++ b/docs/libplanner/Makefile.am
@@ -4,7 +4,7 @@
 DOC_MODULE=libplanner
 
 # The top-level SGML file.
-DOC_MAIN_SGML_FILE=libplanner-docs.sgml
+DOC_MAIN_SGML_FILE=libplanner-docs.xml
 
 # The directory containing the source code. Relative to $(srcdir)
 DOC_SOURCE_DIR=../../libplanner
@@ -16,7 +16,7 @@ SCANGOBJ_OPTIONS=
 #SCAN_OPTIONS=--deprecated-guards="GTK_ENABLE_BROKEN|GTK_DISABLE_DEPRECATED" 
 
 # Extra options to supply to gtkdoc-mkdb
-MKDB_OPTIONS=--sgml-mode --output-format=xml
+MKDB_OPTIONS=--xml-mode --output-format=xml
 
 # Extra options to supply to gtkdoc-fixref
 #FIXXREF_OPTIONS=--extra-dir=../file-modules/html --extra-dir=../file-modules/html
diff --git a/docs/libplanner/libplanner-docs.sgml b/docs/libplanner/libplanner-docs.xml
similarity index 93%
rename from docs/libplanner/libplanner-docs.sgml
rename to docs/libplanner/libplanner-docs.xml
index cd77013..dc6efda 100644
--- a/docs/libplanner/libplanner-docs.sgml
+++ b/docs/libplanner/libplanner-docs.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" 
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
                "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd";>
 <book id="index" xmlns:xi="http://www.w3.org/2001/XInclude";>
   <bookinfo>