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-rw-r--r--lib/PublicInbox/View.pm4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 1e53d8dc..ddd94e48 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -566,7 +566,7 @@ sub add_text_body { # callback for msg_iter
 
         # split off quoted and unquoted blocks:
         my @sections = PublicInbox::MsgIter::split_quotes($s);
-        $s = '';
+        undef $s; # free memory
         my $rv = $ctx->{obuf};
         if (defined($fn) || $depth > 0 || $err) {
                 # badly-encoded message with $err? tell the world about it!
@@ -587,7 +587,7 @@ sub add_text_body { # callback for msg_iter
                         # regular lines, OK
                         $$rv .= $l->to_html($cur);
                 }
-                $cur = undef;
+                undef $cur; # free memory
         }
 
         obfuscate_addrs($ibx, $$rv) if $ibx->{obfuscate};