pp_quotemeta(): Use more explicit macro

Changing the macro to a differently-named equivalent stresses that only
ASCII characters may escape from being quoted.  That is, all non-ASCII
are quoted.

1 files changed, 1 insertions, 1 deletions

diff --git a/pp.c b/pp.c
index ae1eb11abf..b12772c2de 100644
--- a/pp.c
+++ b/pp.c
@@ -4107,7 +4107,7 @@ PP(pp_quotemeta)
 	}
 	else {
 	    while (len--) {
-		if (!isALNUM(*s))
+		if (!isWORDCHAR_A(*s))
 		    *d++ = '\\';
 		*d++ = *s++;
 	    }