Expressions and patterns

Some valid irrefutable patterns are rejected:

As syntax errors; just put parentheses around them.

Very long `String' constants:

May not go through. If you add a "string gap" every few thousand characters, then the strings can be as long as you like. Bear in mind that string gaps and the `-cpp' option don't mix. The C-preprocessor may munch the backslashes.

Very long literal lists:

These may tickle a "yacc stack overflow" error in the parser. (It depends on the Yacc used to build your parser.)