treewide: HTML Cleanup

* HTML Cleanup: Meta tags.
* Converted charset to shorthand.
* Removed meta tags with `Content-Script-Type` attribute. (Invalid in HTML5 spec.)

* HTML Cleanup: CSS tags.
* Removed `type` attribute with CSS files from link tags. (HTML5 spec recommends omitting it.)
* Removed `type` attribute from style tags. (Deprecated in HTML5 spec.)
https://html.spec.whatwg.org/#attr-link-type
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/style

* HTML Cleanup: Convert from XHTML to HTML5
* Removed XML declaration.
* Removed XML namespace.
* Changed doctype to HTML5.

* HTML Cleanup: CDATA tags.
* CDATA sections should not be used within HTML they are considered as comments and not displayed.
https://developer.mozilla.org/en-US/docs/Web/API/CDATASection

* HTML Cleanup: Script tags.
* Removed `language` attribute from script tags. (No longer valid in HTML5)
* Removed `type` attribute with JavaScript MIME type from script tags. (HTML5 spec recommends omitting it.)
https://html.spec.whatwg.org/multipage/scripting.html#attr-script-type
https://mimesniff.spec.whatwg.org/#javascript-mime-type

Signed-off-by: Mustafa Can Elmacı <mustafacan@elmaci.net>

3 files changed, 4 insertions, 4 deletions

diff --git a/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/footer.ut b/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/footer.ut
index a9dd0f939e..d51079b6fa 100644
--- a/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/footer.ut
+++ b/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/footer.ut
@@ -14,7 +14,7 @@
 			</span>
 			<ul class="breadcrumb pull-right" id="modemenu" style="display:none"></ul>
 		</footer>
-		<script type="text/javascript">L.require('menu-bootstrap')</script>
+		<script>L.require('menu-bootstrap')</script>
 		{% endif %}
 	</body>
 </html>
diff --git a/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/header.ut b/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/header.ut
index a6d2936a5f..ef37c7a454 100644
--- a/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/header.ut
+++ b/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/header.ut
@@ -20,7 +20,7 @@
 		<meta charset="utf-8">
 		<title>{{ striptags(`${boardinfo.hostname ?? '?'}${node ? ` - ${node.title}` : ''}`) }} - LuCI</title>
 		{% if (!darkpref): %}
-			<script type="text/javascript">
+			<script>
 				var mediaQuery = window.matchMedia('(prefers-color-scheme: dark)'),
 				    rootElement = document.querySelector(':root'),
 				    setDarkMode = function(match) { rootElement.setAttribute('data-darkmode', match.matches) };
@@ -31,7 +31,7 @@
 		{% endif %}
 		<meta name="viewport" content="initial-scale=1.0">
 		<link rel="stylesheet" href="{{ media }}/cascade.css">
-		<link rel="stylesheet" media="only screen and (max-device-width: 854px)" href="{{ media }}/mobile.css" type="text/css" />
+		<link rel="stylesheet" media="only screen and (max-device-width: 854px)" href="{{ media }}/mobile.css" />
 		<link rel="icon" href="{{ media }}/logo_48.png" sizes="48x48">
 		<link rel="icon" href="{{ media }}/logo.svg" sizes="any">
 		{% if (node?.css): %}
diff --git a/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/sysauth.ut b/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/sysauth.ut
index 15f3b1435b..e311f2d03f 100644
--- a/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/sysauth.ut
+++ b/themes/luci-theme-bootstrap/ucode/template/themes/bootstrap/sysauth.ut
@@ -38,7 +38,7 @@
 
 <div id="view">
 	<div class="spinning">{{ _('Loading view…') }}</div>
-	<script type="text/javascript">
+	<script>
 		L.require('ui').then(function(ui) {
 			ui.instantiateView('bootstrap.sysauth');
 		});