From 7a4d124765f6fbcd9395a2bdc4790f91ed6e985e Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Thu, 2 Oct 2008 21:20:54 +0200
Subject: [PATCH] When the function called via @f(...) returns anything, it is
 printed.

Beware, this is an incompatible change!

All built-in functions have been updated to return undef.
---
 UCW/Temple.pm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/UCW/Temple.pm b/UCW/Temple.pm
index 32453da..572bc25 100644
--- a/UCW/Temple.pm
+++ b/UCW/Temple.pm
@@ -72,7 +72,8 @@ sub eval_func($$) {
 		}
 		# print "Cond stack: @cond\n";
 	} else {
-		eval_if_ok("$f($a)");
+		my $res = eval_if_ok("$f($a)");
+		print $res if defined $res;
 	}
 }
 
@@ -160,12 +161,14 @@ sub include {
 		UCW::Temple::eval_if_ok("\$$v = \$temp");
 	}
 	UCW::Temple::parse_file($fn);
+	return;
 }
 
 sub load {
 	my $f = shift @_;
 	(!defined($f) || @_) and die "\@load requires only one argument";
 	require $f;
+	return;
 }
 
 1;
-- 
2.39.2