Error (line: 3, pos: 0) executing external script (/home/leo/projects/lean/build/debug/shell/find.lua:24), no object name in the environment matches the regular expression 'foo'
Error (line: 4, pos: 0) executing external script (/home/leo/projects/lean/build/debug/shell/find.lua:24), no object name in the environment matches the regular expression '(ab'