--- /dev/null
+#!/bin/sh -e
+
+base="`dirname "$0"`"
+
+text="`echo "$1" | perl -pe 's/[^a-zA-Z0-9]+/ /g;s/^ //;s/ $//'`"
+${base}/find-sources.sh -c \
+ | xargs perl -0777ne '
+ while(m{/\*\*<?(.*?)\*/|///<?(.*?)$}smg) {
+ $t=$1||$2;
+ $t=~s/\\\S+//g;
+ $t=~s/[^a-zA-Z0-9]+/ /g;
+ print $ARGV,"\n" if $t=~m{\Q'"$text"'\E};
+ }'\
+ | sort -u