Initial commit

extra/docbook-xsl/preremove.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+set -eu
+
+catalog=etc/xml/catalog
+uris="http://cdn.docbook.org/release/xsl-nons http://docbook.sourceforge.net/release/xsl"
+
+if ! command -v xmlcatalog >/dev/null 2>&1 || [ ! -f "$catalog" ]; then
+    exit 0
+fi
+
+for uri in $uris; do
+    xmlcatalog --noout --del "$uri/current" "$catalog" 2>/dev/null || true
+    xmlcatalog --noout --del "$uri/current" "$catalog" 2>/dev/null || true
+done