Check in the libxslt roll script.

third_party/libxslt/libxslt.doap

Index: third_party/libxslt/libxslt.doap
diff --git a/third_party/libxslt/libxslt.doap b/third_party/libxslt/libxslt.doap
deleted file mode 100644
index fa01fcea2690b06ef1bae2874cfc5c3d8c4cd778..0000000000000000000000000000000000000000
--- a/third_party/libxslt/libxslt.doap
+++ /dev/null
@@ -1,19 +0,0 @@
-<Project xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-         xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
-         xmlns:foaf="http://xmlns.com/foaf/0.1/"
-         xmlns:gnome="http://api.gnome.org/doap-extensions#"
-         xmlns="http://usefulinc.com/ns/doap#">
-
-  <name xml:lang="en">libxslt</name>
-  <shortdesc xml:lang="en">XSLT transformation library</shortdesc>
-  <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" />
-
-  <maintainer>
-    <foaf:Person>
-      <foaf:name>Daniel Veillard</foaf:name>
-      <gnome:userid>veillard</gnome:userid>
-    </foaf:Person>
-  </maintainer>
-</Project>