[libxslt] Update libxslt.doap

[Nick Wellnhofer <nwellnhof src gnome org>]

commit e09b7f9123ceef9ed866383f3807158e0717e067
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Sat Feb 12 16:22:54 2022 +0100

    Update libxslt.doap
    
    - Add description, programming language
    - Fix category
    - Add myself to maintainers

 libxslt.doap | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)
---
diff --git a/libxslt.doap b/libxslt.doap
index fa01fcea..9377c602 100644
--- a/libxslt.doap
+++ b/libxslt.doap
@@ -6,9 +6,16 @@
 
   <name xml:lang="en">libxslt</name>
   <shortdesc xml:lang="en">XSLT transformation library</shortdesc>
+  <description>Libxslt is the XSLT C library developed for the GNOME project.
+XSLT itself is a an XML language to define transformation for XML. Libxslt is
+based on libxml2, the XML C library developed for the GNOME project. It also
+implements most of the EXSLT set of processor-portable extensions
+functions and some of Saxon's evaluate and expressions
+extensions.</description>
   <homepage rdf:resource="http://xmlsoft.org/XSLT/"; />
   <mailing-list rdf:resource="http://mail.gnome.org/mailman/listinfo/xslt"; />
-  <category rdf:resource="http://api.gnome.org/doap-extensions#platform"; />
+  <category rdf:resource="http://api.gnome.org/doap-extensions#infrastructure"; />
+  <programming-language>C</programming-language>
 
   <maintainer>
     <foaf:Person>
@@ -16,4 +23,10 @@
       <gnome:userid>veillard</gnome:userid>
     </foaf:Person>
   </maintainer>
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Nick Wellnhofer</foaf:name>
+      <gnome:userid>nwellnhof</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 </Project>