Brief summary of issue / Description of requested feature:

Quick, which PTB version are you using right now?

Steps to reproduce the issue / Reasons for adding feature:

1. You can read it in multiple places: Mudlet window title, "About" window (in logo), updater window (in plain text)
2. Try to mark and copy text from any of these places
3. Fail. You need a screenshot or write a

I've recently come to realize that the 'one-size-fits-all' mega-snippets on marzer.github.io/tomlplusplus aren't necessarily useful for everyone, and I should break them up into smaller sub-examples. I'd be totally happy to accept help with this, though that may be wishful thinking!

see #9

Hi,
I don't know if its possible but maybe this can be somehow handled better:

If I have a grammar rule like so:

cppcmb_def(expr) = pc::pass
                   | (expr & match<Token::PLUS> & primary) [BinaryExpr::make]
                   | (expr & match<Token::MINUS> & primary) [BinaryExpr::make]
                   | primary
                   %= pc::as_memo_d;

And the met