# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1720704259 -7200
# Node ID 997d9ad12477aec51df011c3900fc8ef4696a6e7
# Parent  da9be0ad4bbc136ce59be0fa243c04175b5251f5
util.xtemplate: Fix error on applying each() to zero stanzas

Backport of 1f93e4f78c53

diff -r da9be0ad4bbc -r 997d9ad12477 teal-src/util/xtemplate.tl
--- a/teal-src/util/xtemplate.tl	Sun Jul 07 18:28:17 2024 +0200
+++ b/teal-src/util/xtemplate.tl	Thu Jul 11 15:24:19 2024 +0200
@@ -46,7 +46,10 @@
 			if tmpl then tmpl = s_sub(tmpl, 2, -2); end
 			if args then args = s_sub(args, 2, -2); end
 
-			if func == "each" and tmpl and st.is_stanza(value) then
+			if func == "each" and tmpl then
+				if not st.is_stanza(value) then
+					return "";
+				end
 				if not args then value, args = root, path; end
 				local ns, name = s_match(args, "^(%b{})(.*)$");
 				if ns then ns = s_sub(ns, 2, -2); else name, ns = args, nil; end
diff -r da9be0ad4bbc -r 997d9ad12477 util/xtemplate.lua
--- a/util/xtemplate.lua	Sun Jul 07 18:28:17 2024 +0200
+++ b/util/xtemplate.lua	Thu Jul 11 15:24:19 2024 +0200
@@ -31,7 +31,8 @@
 			if tmpl then tmpl = s_sub(tmpl, 2, -2); end
 			if args then args = s_sub(args, 2, -2); end
 
-			if func == "each" and tmpl and st.is_stanza(value) then
+			if func == "each" and tmpl then
+				if not st.is_stanza(value) then return "" end
 				if not args then value, args = root, path; end
 				local ns, name = s_match(args, "^(%b{})(.*)$");
 				if ns then