[Nevermark]

Not problematic. Just a little cumbersome. (And ugly, agreed.)

You can't always just copy and paste some text into code, without adding escape encodings.

Now write code that generates C code with strings, that generates C code with strings, and ... (ahem!)

It's not a big deal, but it isn't zero friction either. Relevant here because it might be the most prevalent example of what happens when even two simple grammars collide.