Add some missing alt tags

modules/authX509/templates/X509error.php

@@ -9,7 +9,7 @@ $this->includeAtTemplateBase('includes/header.php');
 if ($this->data['errorcode'] !== NULL) {
 ?>
 	<div style="border-left: 1px solid #e8e8e8; border-bottom: 1px solid #e8e8e8; background: #f5f5f5">
-		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l" style="margin: 15px " />
+		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l" style="margin: 15px" alt="" />
 		<h2><?php echo $this->t('{login:error_header}'); ?></h2>
 		<p><b><?php echo $this->t('{errors:title_' . $this->data['errorcode'] . '}'); ?></b></p>
 		<p><?php echo $this->t('{errors:descr_' . $this->data['errorcode'] . '}'); ?></p>

modules/authYubiKey/templates/yubikeylogin.php

@@ -10,7 +10,7 @@ $this->includeAtTemplateBase('includes/header.php');
 if ($this->data['errorcode'] !== NULL) {
 ?>
 	<div style="border-left: 1px solid #e8e8e8; border-bottom: 1px solid #e8e8e8; background: #f5f5f5">
-		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l" style="margin: 15px " />
+		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l" style="margin: 15px" alt="" />
 		<h2><?php echo $this->t('{login:error_header}'); ?></h2>
 		<p><b><?php echo $this->t('{errors:title_' . $this->data['errorcode'] . '}'); ?></b></p>
 		<p><?php echo $this->t('{errors:descr_' . $this->data['errorcode'] . '}'); ?></p>
@@ -19,8 +19,8 @@ if ($this->data['errorcode'] !== NULL) {
 }
 ?>
 
-	<img style="float: right" src="<?php echo(SimpleSAML_Module::getModuleURL('authYubiKey/resources/logo.jpg')); ?>" />
-	<img style="clear: right; float: right" src="<?php echo(SimpleSAML_Module::getModuleURL('authYubiKey/resources/yubikey.jpg')); ?>" />
+	<img style="float: right" src="<?php echo(SimpleSAML_Module::getModuleURL('authYubiKey/resources/logo.jpg')); ?>" alt="" />
+	<img style="clear: right; float: right" src="<?php echo(SimpleSAML_Module::getModuleURL('authYubiKey/resources/yubikey.jpg')); ?>" alt="YubiKey" />
 
 
 	<h2 style=""><?php echo $this->t('{authYubiKey:yubikey:header}'); ?></h2>

modules/core/templates/loginuserpass.php

@@ -14,7 +14,7 @@ $this->includeAtTemplateBase('includes/header.php');
 if ($this->data['errorcode'] !== NULL) {
 ?>
 	<div style="border-left: 1px solid #e8e8e8; border-bottom: 1px solid #e8e8e8; background: #f5f5f5">
-		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l erroricon" style="margin: 15px " />
+		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l erroricon" style="margin: 15px" alt="" />
 		<h2><?php echo $this->t('{login:error_header}'); ?></h2>
 		<p><b><?php echo htmlspecialchars($this->t('{errors:title_' . $this->data['errorcode'] . '}', $this->data['errorparams'])); ?></b></p>
 		<p><?php echo htmlspecialchars($this->t('{errors:descr_' . $this->data['errorcode'] . '}', $this->data['errorparams'])); ?></p>

templates/login-ldapmulti.php

@@ -5,7 +5,7 @@
 
 		<?php if (isset($this->data['error'])) { ?>
 		<div style="border-left: 1px solid #e8e8e8; border-bottom: 1px solid #e8e8e8; background: #f5f5f5">
-		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l erroricon" style="margin: 15px " />
+		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l erroricon" style="margin: 15px" alt="" />
 		<h2><?php echo $this->t('error_header'); ?></h2>
 		
 		<p class="logintext"><?php echo htmlspecialchars($this->data['error']); ?> </p>
@@ -22,7 +22,7 @@
 
 		<table>
 			<tr>
-				<td rowspan="3"><img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-authentication.48x48.png" id="loginicon" /></td>
+				<td rowspan="3"><img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-authentication.48x48.png" id="loginicon" alt="" /></td>
 				<td style="padding: .3em;"><?php echo $this->t('username'); ?></td>
 				<td><input type="text" tabindex="1" name="username" 
 					<?php if (isset($this->data['username'])) {

templates/login.php

@@ -7,7 +7,7 @@
 
 	<?php if (isset($this->data['error'])) { ?>
 		<div style="border-left: 1px solid #e8e8e8; border-bottom: 1px solid #e8e8e8; background: #f5f5f5">
-		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l erroricon" style="margin: 15px" />
+		<img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-error.48x48.png" class="float-l erroricon" style="margin: 15px" alt="" />
 		<h2><?php echo $this->t('error_header'); ?></h2>
 		
 		<p><?php echo $this->t($this->data['error']); ?> </p>
@@ -22,7 +22,7 @@
 
 	<table>
 		<tr>
-			<td rowspan="2"><img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-authentication.48x48.png" id="loginicon" /></td>
+			<td rowspan="2"><img src="/<?php echo $this->data['baseurlpath']; ?>resources/icons/experience/gtk-dialog-authentication.48x48.png" id="loginicon" alt="" /></td>
 			<td style="padding: .3em;"><?php echo $this->t('username'); ?></td>