[Development] clang-format config file.

[Lorenz Haas]

Hi,

> The style disabled any re-wraping of the comments, because the qdoc rules are
> not encoded in clang-format. So comments will not be touched.

just for the record: clang-format can exclude specific comment types
from re-wrapping. Thus if you/we do not mind a "either re-wrap all
comments or leave them all as they are" rule, CommentPragmas could be
used, e.g.:

CommentPragmas: '^!|^:|^=|^~'

Cheers