From 1dd277dc0b15b0b01a67ad45f1e6f87a2aaa6417 Mon Sep 17 00:00:00 2001
From: Joby Elliott <jelliott@cs.unm.edu>
Date: Thu, 21 Jan 2021 08:34:05 -0700
Subject: [PATCH] bug fix for null-ish values

---
 src/TagTrait.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TagTrait.php b/src/TagTrait.php
index e651898..88c313e 100644
--- a/src/TagTrait.php
+++ b/src/TagTrait.php
@@ -99,7 +99,7 @@ trait TagTrait
         //build attributes
         if ($attr = $this->htmlAttributes()) {
             foreach ($attr as $key => $value) {
-                if (!"$value") {
+                if ($value === null) {
                     $out .= " $key";
                 } else {
                     $value = htmlspecialchars($value);