# File lib/rake.rb, line 1272
1272:     def help
1273:       usage
1274:       puts
1275:       puts "Options are ..."
1276:       puts
1277:       OPTIONS.sort.each do |long, short, mode, desc|
1278:         if mode == GetoptLong::REQUIRED_ARGUMENT
1279:           if desc =~ /\b([A-Z]{2,})\b/
1280:             long = long + "=#{$1}"
1281:           end
1282:         end
1283:         printf "  %-20s (%s)\n", long, short
1284:         printf "      %s\n", desc
1285:       end
1286:     end