[pre] No names in the preprocessor

[AlisdairM]

The term "name" applies specifically to entities in phase 7 of translation. Macros have macro names, headers are parsed as header-names, etc.

Specifically, names are introduced by declarations, [basic.pre]p5, and there are no declarations in the preprocessor.

[tkoeppe]

I'm not sure if this requires clarification -- e.g. in "the name of the macro", isn't it clear that the name is a macro name?

@jensmaurer, any thoughts?

[jensmaurer]

[cpp.replace.general] p8 does define the term "macro name".

Reading through the diff here, I think there are a few places that definitely benefit from replacing "name" with something else entirely or with "macro name".

Others, such as "macro name of a macro", sound awfully redundant, and I think we want a larger rephrasing to warrant the departure from "identical phrasing in C" for those cases.

Going through the diff one-by-one and marking those that seem redundant / need more rephrasing.

[jensmaurer]

If you would remove the four marked changes, this rest feels like an obvious improvement.

[AlisdairM]

I have reverted the changes that Jens requested.
I made an alternative suggestion to one in the review for potential follow-up, but reverted in the PR to aid progress.