tests/test-grep.out

6056:0ad2ffbf6b38

% pattern error
grep: invalid match pattern: nothing to repeat!
% simple
port:4:export
port:4:vaportight
port:4:import/export
% all

6057:218d5b9aa466

% pattern error
grep: invalid match pattern: nothing to repeat
% simple
port:4:export
port:4:vaportight
port:4:import/export
% all