Pretty sure OP is referring to this part of the comment they were replying to:
> Users posting to comp.lang.c through Google Groups were a problem -- especially with the recent bug that caused GG posts to comp.lang.c++ to have the "++" quietly dropped.
> Users posting to comp.lang.c through Google Groups were a problem -- especially with the recent bug that caused GG posts to comp.lang.c++ to have the "++" quietly dropped.