Allow whitespace control chars in EventId texts.

[andjo403]

As it only seems that control chars is not allowed in the EventId texts is to allow for future tags I think excluding the whitespace control chars is ok.
What I can see right now the only tag used is for arguments and is '\x1E'.

fixes #207

cc @michaelwoerister

[michaelwoerister]

Nice! Thanks, @andjo403 🙂

I'll need to take a closer look at the entire file format, to make sure this doesn't have any unintended consequences. It's been a while since I worked with this code.

But I believe the suggested change matches the originally intended behavior.

[andjo403]

did a test with assigning all the whitespace control chars to the label and args and crox seems to handle it correct at least.
let event_label = profiler.alloc_string("l\ta\n\rbe\x0Cl"); let event_arg = profiler.alloc_string("a\tr\n\rg\x0Cs");

but good that you look at the entire file format.

[michaelwoerister]

OK, this looks good! Thanks again, @andjo403!