Re: -traditional comment elimination (yuk...)

[Dave Brolley <brolley at redhat dot com>]

Zack Weinberg wrote:

> To get the variant effect of comments on directive lines (other than
> #define), we could cause comments to be equivalent to whitespace in
> directives, even when -traditional (which is what a K+R preprocessor
> did).

Not quite. Comments were separators on a directive for a K&R preprocessor,
but they were still removed. See the 'cat' macro example in my previous note.

> I wouldn't worry about
>
> //**/* this is a comment */
>
> unless and until someone reports that this breaks real code.

This and most other comment-creation effects will be handled by default with
two passes. This is because in a K&R preprocessor/compiler system, the
compiler still recognized comments.

Dave