On Sat, 22 Feb 2020 at 19:53, René Scharfe <l.s.r@xxxxxx> wrote: > > isalnum(c) is equivalent to isalpha(c) || isdigit(c), so use the > former instead. The result is shorter, simpler and slightly more > efficient. >From git-compat-util.h I can see that the claim about equivalence is correct. And the efficiency claim, too. And agreed on "shorter and simpler". > --- a/quote.c > +++ b/quote.c > @@ -55,7 +55,7 @@ void sq_quote_buf_pretty(struct strbuf *dst, const char *src) > } > > for (p = src; *p; p++) { > - if (!isalpha(*p) && !isdigit(*p) && !strchr(ok_punct, *p)) { > + if (!isalnum(*p) && !strchr(ok_punct, *p)) { I failed to identify any similar constructs. Looks good to me. Martin