diff -urP 4.1.0/ws.sh/bin/mkws 5.0.0/ws.sh/bin/mkws
--- 4.1.0/ws.sh/bin/mkws	Wed Sep  7 22:31:58 2022
+++ 5.0.0/ws.sh/bin/mkws	Tue Oct 11 07:27:40 2022
@@ -8,25 +8,22 @@
 
 test $# -lt 1 && usage
 
-export src="${2:-.}"
-export share="${MKWSTHEMEDIR:-$src/share}"
+export SRC="${2:-.}"
+export SHARE="${MKWSTHEMEDIR:-${SRC}/share}"
 export LANG="${LANG:-en_US.UTF-8}"
 
-if ! test -f "$src"/index.upphtml
+if ! test -f "${SRC}"/index.upphtml
 then
 	>&2 printf "no index.upphtml file found\\n"
 	exit 1
 fi
 
-echo "Making s.css"
-pp "$share"/s.uppcss "$1" > s.css
-
-for t in "$src"/*.upphtml
+for t in "${SRC}"/*.upphtml
 do
 	echo "Making $(basename "${t%.upphtml}".html)"
-	pp "$share"/l.upphtml "$t" "$1" > \
+	pp "${SHARE}"/l.upphtml "${t}" "$1" > \
 		"$(basename "${t%.upphtml}".html)"
 done
 
 echo "Making sitemap.xml"
-pp "$share"/sitemap.uppxml "$1" > sitemap.xml
+pp "${SHARE}"/sitemap.uppxml "$1" > sitemap.xml
diff -urP 4.1.0/ws.sh/share/l.upphtml 5.0.0/ws.sh/share/l.upphtml
--- 4.1.0/ws.sh/share/l.upphtml	Wed Sep  7 22:31:51 2022
+++ 5.0.0/ws.sh/share/l.upphtml	Tue Oct 11 07:27:32 2022
@@ -6,8 +6,11 @@
 <meta charset=${LANG##*.}>
 <meta name=viewport content='width=device-width, initial-scale=1'>
 
-<link rel=stylesheet
-href=s.css?$(lmt -f '%Y-%m-%dT%H:%M:%SZ' s.css | cut -d' ' -f1)>
+<style>
+#!
+pp "${SHARE:?no theme directory set}"/s.uppcss
+#!
+</style>
 
 #!
 pp "$1"
diff -urP 4.1.0/ws.sh/share/sitemap.uppxml 5.0.0/ws.sh/share/sitemap.uppxml
--- 4.1.0/ws.sh/share/sitemap.uppxml	Wed Sep  7 22:31:52 2022
+++ 5.0.0/ws.sh/share/sitemap.uppxml	Tue Oct 11 07:27:34 2022
@@ -5,9 +5,15 @@
 do
 #!
 <url>
-	<loc>$1/$(basename "$f")</loc>
-	<lastmod>$(lmt -f '%Y-%m-%dT%H:%M:%SZ' "$f" | cut -d' ' -f1)</lastmod>
-	<priority>1.0</priority>
+#!
+loc=$1/$(basename "${f}")
+#!
+<loc>${loc}</loc>
+#!
+lastmod=$(lmt -f '%Y-%m-%dT%H:%M:%SZ' "${f}" | cut -d' ' -f1)
+#!
+<lastmod>${lastmod}</lastmod>
+<priority>1.0</priority>
 </url>
 #!
 done