1# parentheses and perversions thereof
2a(b)c               -         abc       abc
3a\(b\)c             b         abc       abc
4a(                  C         EPAREN
5a(                  b         a(        a(
6a\(                 -         a(        a(
7a\(                 bC        EPAREN
8a\(b                bC        EPAREN
9a(b                 C         EPAREN
10a(b                 b         a(b       a(b
11# gag me with a right parenthesis -- 1003.2 goofed here (my fault, partly)
12a)                  -         a)        a)
13)                   -         )         )
14# end gagging (in a just world, those *should* give EPAREN)
15a)                  b         a)        a)
16a\)                 bC        EPAREN
17\)                  bC        EPAREN
18a()b                -         ab        ab
19a\(\)b              b         ab        ab
20