better VMS docs for $?, exit(), and system()

[p5sagit/p5-mst-13.2.git] / pp.c

diff --git a/pp.c b/pp.c
index 51e10de..1cb3a44 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -467,8 +467,8 @@ S_refto(pTHX_ SV *sv)
        SvTEMP_off(sv);
        (void)SvREFCNT_inc(sv);
     }
-    else if (SvPADTMP(sv))
-       sv = newSVsv(sv);
+    else if (SvPADTMP(sv) && !IS_PADGV(sv))
+        sv = newSVsv(sv);
     else {
        SvTEMP_off(sv);
        (void)SvREFCNT_inc(sv);
@@ -4228,12 +4228,16 @@ PP(pp_split)
                for (i = 1; i <= rx->nparens; i++) {
                    s = rx->startp[i] + orig;
                    m = rx->endp[i] + orig;
-                   if (m && s) {
+
+                   /* japhy (07/27/01) -- the (m && s) test doesn't catch
+                      parens that didn't match -- they should be set to
+                      undef, not the empty string */
+                   if (m >= orig && s >= orig) {
                        dstr = NEWSV(33, m-s);
                        sv_setpvn(dstr, s, m-s);
                    }
                    else
-                       dstr = NEWSV(33, 0);
+                       dstr = &PL_sv_undef;  /* undef, not "" */
                    if (make_mortal)
                        sv_2mortal(dstr);
                    if (do_utf8)