Updated the Hacking file with instructions, Daniel.
diff --git a/HACKING b/HACKING
index 8f791bc..6dc9728 100644
--- a/HACKING
+++ b/HACKING
@@ -1,3 +1,11 @@
+NOTE:
+ - the head of this module is package libxml-2 . There is incompatibilities
+ with the old libxml-1 headers. I posted on gnome-hackers a recipe to
+ change your code to compile with both, check it out ! Also read
+ http://xmlsoft.org/upgrade.html
+ - in the meantime the old 1.x code has been tagged with LIB_XML_1_X
+ extract this version and drop me a mail if you want me to take care of
+ the update of your module to libxml-2 <veillard@w3.org>
Rules for commits on the gnome-xml module
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