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warn about \w no arg

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rsc 2007-04-21 22:37:13 +00:00
parent 14b4a4702c
commit d0648192ab
1 changed files with 6 additions and 1 deletions
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7
src/cmd/htmlroff/t11.c
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@ -72,8 +72,13 @@ e_w(void)
{
Rune *a;
Rune buf[40];
static Rune zero;
a = getqarg();
if(a == nil){
warn("no arg for \\w");
a = &zero;
}
runesnprint(buf, sizeof buf, "%ld", runestrlen(a));
pushinputstring(buf);
nr(L("st"), 0);