8 | '' '' :| -> | | + |:|
9 |foo '' :| -> |foo | + |:|
12 | ' foo ' | -> | foo | + ||
14 |foo': blah:blah| -> |foo: blah:blah| + ||
15 |foo\: blah:blah| -> |foo: blah| + |:blah|
17 |'foo : ' :blahblah| -> |foo : | + |:blahblah|
18 |\ :blah| -> | | + |:blah|
21 | foo \ | -> |foo | + ||
22 |foo ':blah| -> |foo :blah| + ||
23 | foo bar : blahblah| -> |foo bar| + |: blahblah|
24 |\f\o\o| -> |foo| + ||
25 |'foo : \ \ ' : blahblah| -> |foo : \ \ | + |: blahblah|
26 |'\fo\o:': blahblah| -> |\fo\o:| + |: blahblah|
27 |\'fo\o\:': foo ' :blahblah| -> |'foo:: foo | + |:blahblah|