[NaS]

There's a maximum line length of 511 characters. The \ will visually split it but the actual line is still as long as the whole string.

If you want to circumvent it, split the string into parts and join it later (strcat or format).

Or, get ZeeX' Compiler which allows a line length of 4096 characters:

https://github.com/pawn-lang/compiler/releases

Alongside some other fixes and new features.