Corey Huinker <corey.huin...@gmail.com> writes: > I think Fabien was arguing that inside a false block there would be no > syntax rules beyond "is the first non-space character on this line a '\' > and if so is it followed with a if/elif/else/endif?". If the answer is no, > skip the line. To me that seems somewhat similar to Tom's suggestion that a > false branch just keeps consuming text until it encounters a \conditional > or EOF.
Hmm. If we can keep the syntax requirements down to "\if and friends must be the first backslash command on the line", and not change the apparent behavior for any other command type, it probably would be okay from the user's standpoint. I'm not really convinced that this approach will accomplish that, though, and especially not that it will do so without injecting some ugliness into the core lexer. In the end, I suspect that teaching all the backslash commands to do nothing after absorbing their arguments is likely to be the least messy way to tackle this, even if it makes for a rather bulky patch. regards, tom lane -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers