http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57707
duncan_roe at acslink dot net.au <duncan_roe at acslink dot net.au> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |UNCONFIRMED Resolution|INVALID |--- --- Comment #5 from duncan_roe at acslink dot net.au <duncan_roe at acslink dot net.au> --- There's no need for that. C is defined in Kernighan & Ritchie's "The C Programming Language". They mandate \xhh as a character escape. No mention of "except when the next character happens to be a hex digit".