-: clean-up-source ( string -- string )
- "\"(\\\"|[^\"]*|\n)\"|(R/ (\\\\/|[^/])*/)|\\\\\\s+(USE:|USING:)|POSTPONE:\\s+(USE:|USING:)|! ([^\n])*" <regexp> "" re-replace ;
+: clean-up-source ( string -- string )
+ "\"(\\\\\"|[^\"])*\"|(R/ (\\\\/|[^/])*/)|\\\\\\s+(USE:|USING:)|POSTPONE:\\s+(USE:|USING:)|! [^\n]*" <regexp> "" re-replace ;