[Issue 16659] Clarify mutating while iterating rules

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16659

Andrei Alexandrescu <andrei at erdani.com> changed:

           What    |Removed                     |Added
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           Assignee|alexandru.razvan.c at gmail.co |nobody at puremagic.com
                   |m                           |

--- Comment #1 from Andrei Alexandrescu <andrei at erdani.com> ---
Alex, I'm passing this to you since you've already looked at AAs a bit.

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