--- trunk/include/mozilla.sminc	2013/11/25 09:32:24	20077
+++ trunk/include/mozilla.sminc	2020/09/16 10:26:25	33316
@@ -71,8 +71,8 @@
 {
 	: ${MOZILLA_PREF_CONFIG="01-magellan.js"}
 	case ${PNAME} in
-		firefox|mozilla-firefox) : ${MOZILLA_PREF_PATH="/usr/$(mlibdir)/${PNAME}/browser/defaults/preferences"} ;;
-		thunderbird|mozilla-thunderbird) : ${MOZILLA_PREF_PATH="/usr/$(mlibdir)/${PNAME}/defaults/preferences"} ;;
+		*firefox*) : ${MOZILLA_PREF_PATH="/usr/$(mlibdir)/${PNAME}/browser/defaults/preferences"} ;;
+		*thunderbird*) : ${MOZILLA_PREF_PATH="/usr/$(mlibdir)/${PNAME}/defaults/preferences"} ;;
 	esac
 	local pref="$1"
 	local value="$2"
@@ -90,6 +90,8 @@
 	else
 		# write a pref value
 		[[ -z ${value} ]] && die "msetpref(): no \$value given"
+		# respect NULL values
+		[[ ${value} = NULL ]] && value=""
 
 		# handle escaped strings: