Fix for changed list of allowed characters in tag name

news/legal-news.sources

@@ -1,2 +1,2 @@
-news/*/news-*:[legal-news]
-news/*/.news-*:[legal-news]
+news/*/news-*:[legal news]
+news/*/.news-*:[legal news]

tools/update_xmllists.sh

@@ -175,7 +175,7 @@ for source_file in $(find * -name '*.sources' | sort); do
     tag=$(echo "${line}" | sed -rn 's/.*:\[(.*)\]$/\1/p')
 
     # Change to lowercase and remove invalid characters
-    tag=$(echo "${tag,,}" | tr -d ' +-/:_')
+    tag=$(echo "${tag,,}" | tr ' ' '_' | tr -d '/:')
 
     # We append || true so the script doesn't fail if grep finds nothing at all
     if [ -n "${tag}" ]; then