trailing slash on void tags is frowned upon

Not a validation error, but generates noise. https://github.com/validator/validator/wiki/Markup-%C2%BB-Void-elements#trailing-slashes-directly-preceded-by-unquoted-attribute-values
psychoinformatics-de · May 13, 2024 · 4db12f4 · 4db12f4
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diff --git a/content/pages/about.html b/content/pages/about.html
@@ -1,8 +1,8 @@
 <html>
 <head>
   <title>About StudyForrest</title>
-  <meta name="save_as" content="about.html" />
-  <meta name="url" content="about.html" />
+  <meta name="save_as" content="about.html">
+  <meta name="url" content="about.html">
 </head>
 <body>
   <p>This project is an open invitation to anyone and everyone to participate in
@@ -56,15 +56,15 @@ <h2>Acknowledgements</h2>
      acquisition instruments.</p>
 
   <div class="thanks-logos">
-    <a href="https://www.bmbf.de/en/index.html"><img src="/img/logo/bmbf.svg" alt="German Federal Ministry of Education and Research (BMBF) Logo" /></a>
-    <a href="https://www.fz-juelich.de/portal/EN/"><img src="/img/logo/fzj.svg" alt="Forschungszentrum Jülich Logo" /></a>
-    <a href="https://www.nsf.gov"><img src="/img/logo/nsf.svg" alt="National Science Foundation Logo" /></a>
-    <a href="http://www.cbbs.eu"><img src="/img/logo/cbbs.svg" alt="Center for Behavioral Brain Sciences Logo" /></a>
-    <a href="https://www.sachsen-anhalt.de/lang/english/sachsen-anhalt/"><img src="/img/logo/lsa.svg" alt="German State of Sachsen-Anhalt" /></a>
-    <a href="https://ec.europa.eu/regional_policy/en/funding/erdf/"><img src="/img/logo/erdf.svg" alt="European Reginal Development Fund" /></a>
-    <a href="https://www.ovgu.de"><img src="/img/logo/ovgu.svg" alt="Otto-von-Guericke-University Magdeburg Logo" /></a>
-    <a href="https://www.lin-magdeburg.de"><img src="/img/logo/lin.svg" alt="Leibniz Institute for Neurobiology in Magdeburg Logo" /></a>
-    <a href="http://cni.ifn-magdeburg.de"><img src="/img/logo/cni.svg" alt="Combinatorial Neuroimaging Core Facility Logo" /></a>
+    <a href="https://www.bmbf.de/en/index.html"><img src="/img/logo/bmbf.svg" alt="German Federal Ministry of Education and Research (BMBF) Logo"></a>
+    <a href="https://www.fz-juelich.de/portal/EN/"><img src="/img/logo/fzj.svg" alt="Forschungszentrum Jülich Logo"></a>
+    <a href="https://www.nsf.gov"><img src="/img/logo/nsf.svg" alt="National Science Foundation Logo"></a>
+    <a href="http://www.cbbs.eu"><img src="/img/logo/cbbs.svg" alt="Center for Behavioral Brain Sciences Logo"></a>
+    <a href="https://www.sachsen-anhalt.de/lang/english/sachsen-anhalt/"><img src="/img/logo/lsa.svg" alt="German State of Sachsen-Anhalt"></a>
+    <a href="https://ec.europa.eu/regional_policy/en/funding/erdf/"><img src="/img/logo/erdf.svg" alt="European Reginal Development Fund"></a>
+    <a href="https://www.ovgu.de"><img src="/img/logo/ovgu.svg" alt="Otto-von-Guericke-University Magdeburg Logo"></a>
+    <a href="https://www.lin-magdeburg.de"><img src="/img/logo/lin.svg" alt="Leibniz Institute for Neurobiology in Magdeburg Logo"></a>
+    <a href="http://cni.ifn-magdeburg.de"><img src="/img/logo/cni.svg" alt="Combinatorial Neuroimaging Core Facility Logo"></a>
   </div>
 </body>
 </html>
diff --git a/content/pages/access.html b/content/pages/access.html
@@ -1,8 +1,8 @@
 <html>
 <head>
   <title>Data Access</title>
-  <meta name="save_as" content="access.html" />
-  <meta name="url" content="access.html" />
+  <meta name="save_as" content="access.html">
+  <meta name="url" content="access.html">
 </head>
 <body>
   <p>All <em>StudyForrest</em> data are contained in a collection of
@@ -66,9 +66,9 @@ <h2>Hosting</h2>
   <p>We are grateful to our data hosting providers for their support, sponsored
      bandwidth, and storage capacity.</p>
   <div class="thanks-logos">
-    <a href="https://gin.g-node.org"><img src="/img/logo/gin.svg" alt="GIN Logo" /></a>
-    <a href="https://www.fz-juelich.de/portal/EN/"><img src="/img/logo/fzj.svg" alt="Forschungszentrum Jülich Logo" /></a>
-    <a href="https://openneuro.org"><img src="/img/logo/openneuro.svg" alt="OpenNeuro Logo" /></a>
+    <a href="https://gin.g-node.org"><img src="/img/logo/gin.svg" alt="GIN Logo"></a>
+    <a href="https://www.fz-juelich.de/portal/EN/"><img src="/img/logo/fzj.svg" alt="Forschungszentrum Jülich Logo"></a>
+    <a href="https://openneuro.org"><img src="/img/logo/openneuro.svg" alt="OpenNeuro Logo"></a>
   </div>
 </body>
 </html>
diff --git a/content/pages/data.html b/content/pages/data.html
@@ -1,8 +1,8 @@
 <html>
 <head>
   <title>Overview of Data Types</title>
-  <meta name="save_as" content="data.html" />
-  <meta name="url" content="data.html" />
+  <meta name="save_as" content="data.html">
+  <meta name="url" content="data.html">
 </head>
 <body>
   <p>Since its inception, the <em>StudyForrest</em> dataset has grown
@@ -20,7 +20,7 @@
   <form action='javascript:void(0)'
         onSubmit='filterForm(document.getElementById("data_filter_field").value);'
         onReset='filterForm("")'>
-    <input id='data_filter_field' type="text" placeholder="Filter data types for..." aria-label="Filter data types for..." /><button title='Filter Table' type="submit"><span class="icon-filter"></span></button>
+    <input id='data_filter_field' type="text" placeholder="Filter data types for..." aria-label="Filter data types for..."><button title='Filter Table' type="submit"><span class="icon-filter"></span></button>
     <input type="reset" value="Reset">
   </form>
   <noscript>
@@ -39,7 +39,7 @@ <h2>Behavior and Brain Function</h2>
       <div class='thumbnail'>
         <img src="/img/data/thumb_moviefmri_acq_ao_hrfmri.jpg"
              alt='Person hearing a movie, with recording of brainfunction,
-             heartbeat, and breathing.' />
+             heartbeat, and breathing.'>
       </div>
       <div class='description'>
         <h3>High-res 7T fMRI on 2h Audio Movie (+Cardiac/Respiration)</h3>
@@ -61,7 +61,7 @@ <h3>High-res 7T fMRI on 2h Audio Movie (+Cardiac/Respiration)</h3>
       <div class='thumbnail'>
         <img src="/img/data/thumb_musicfmri_acq.jpg"
              alt='Person hearing music, with recording of brainfunction,
-             heartbeat, and breathing.' />
+             heartbeat, and breathing.'>
       </div>
       <div class='description'>
         <h3>High-res 7T fMRI Listening to Music (+Cardiac/Respiration)</h3>
@@ -84,7 +84,7 @@ <h3>High-res 7T fMRI Listening to Music (+Cardiac/Respiration)</h3>
       <div class='thumbnail'>
         <img src="/img/data/thumb_moviefmri_acq_av_lrfmri_eyegaze.jpg"
              alt='Person watching and hearing a movie, with recording of
-             brainfunction, heartbeat, and breathing.' />
+             brainfunction, heartbeat, and breathing.'>
       </div>
       <div class='description'>
         <h3>3T fMRI on 2h Movie, Eyegaze (+Cardiac/Respiration)</h3>
@@ -103,7 +103,7 @@ <h3>3T fMRI on 2h Movie, Eyegaze (+Cardiac/Respiration)</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_retmap_acq.jpg"
-             alt='Retinotopic Map' />
+             alt='Retinotopic Map'>
       </div>
       <div class='description'>
         <h3>Retinotopic Mapping</h3>
@@ -124,7 +124,7 @@ <h3>Retinotopic Mapping</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_visloc_acq.jpg"
-             alt='Brain with person, face, stapler, and house' />
+             alt='Brain with person, face, stapler, and house'>
       </div>
       <div class='description'>
         <h3>Higher Visual Area Localizer</h3>
@@ -144,7 +144,7 @@ <h3>Higher Visual Area Localizer</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_orientfmri_acq.jpg"
-             alt='Sample visual stimulus with high contrast parallel lines' />
+             alt='Sample visual stimulus with high contrast parallel lines'>
       </div>
       <div class='description'>
         <h3>Multi-res 3T/7T fMRI (0.8-3mm) on Visual Orientation</h3>
@@ -170,7 +170,7 @@ <h2>Brain Structure and Connectivity</h2>
 
     <div class="card-data">
       <div class='thumbnail'>
-        <img src="/img/data/thumb_t1w.jpg" alt='T1 brain image' />
+        <img src="/img/data/thumb_t1w.jpg" alt='T1 brain image'>
       </div>
       <div class='description'>
         <h3>T1-weighted MRI</h3>
@@ -191,7 +191,7 @@ <h3>T1-weighted MRI</h3>
 
     <div class="card-data">
       <div class='thumbnail'>
-        <img src="/img/data/thumb_t2w.jpg" alt='T2 brain image' />
+        <img src="/img/data/thumb_t2w.jpg" alt='T2 brain image'>
       </div>
       <div class='description'>
         <h3>T2-weighted MRI</h3>
@@ -210,7 +210,7 @@ <h3>T2-weighted MRI</h3>
 
     <div class="card-data">
       <div class='thumbnail'>
-        <img src="/img/data/thumb_swi.jpg" alt='SWI brain image' />
+        <img src="/img/data/thumb_swi.jpg" alt='SWI brain image'>
       </div>
       <div class='description'>
         <h3>Susceptibility-weighted MRI</h3>
@@ -230,7 +230,7 @@ <h3>Susceptibility-weighted MRI</h3>
 
     <div class="card-data">
       <div class='thumbnail'>
-        <img src="/img/data/thumb_dti.jpg" alt='DTI brain image' />
+        <img src="/img/data/thumb_dti.jpg" alt='DTI brain image'>
       </div>
       <div class='description'>
         <h3>Diffusion-weighted MRI</h3>
@@ -253,7 +253,7 @@ <h3>Diffusion-weighted MRI</h3>
 
     <div class="card-data">
       <div class='thumbnail'>
-        <img src="/img/data/thumb_angio.jpg" alt='Angiography' />
+        <img src="/img/data/thumb_angio.jpg" alt='Angiography'>
       </div>
       <div class='description'>
         <h3>Angiography</h3>
@@ -274,7 +274,7 @@ <h3>Angiography</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_surf.jpg"
-             alt="Closeup of FreeSurfer's cortical surface reconstruction" />
+             alt="Closeup of FreeSurfer's cortical surface reconstruction">
       </div>
       <div class='description'>
         <h3>Cortical Surface Reconstruction</h3>
@@ -302,7 +302,7 @@ <h2>Movie Stimulus Annotations</h2>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_annot_locationtime.jpg"
-             alt='Four shots from the same scene, but in different locations.' />
+             alt='Four shots from the same scene, but in different locations.'>
       </div>
       <div class='description'>
         <h3>Cuts, Depicted Locations, and Temporal Progression</h3>
@@ -324,7 +324,7 @@ <h3>Cuts, Depicted Locations, and Temporal Progression</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_annot_speech.jpg"
-             alt='Forrest shaking the hand of Lt. Dan. Captioned.' />
+             alt='Forrest shaking the hand of Lt. Dan. Captioned.'>
       </div>
       <div class='description'>
         <h3>Speech</h3>
@@ -344,7 +344,7 @@ <h3>Speech</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_annot_emotion.jpg"
-             alt='Closeup on the face of an excited man.' />
+             alt='Closeup on the face of an excited man.'>
       </div>
       <div class='description'>
         <h3>Portrayed Emotions</h3>
@@ -364,7 +364,7 @@ <h3>Portrayed Emotions</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_annot_irony.jpg"
-             alt="A sign saying 'Hidden Beach'; CC-BY from https://www.flickr.com/photos/carbonnyc/76468122" />
+             alt="A sign saying 'Hidden Beach'; CC-BY from https://www.flickr.com/photos/carbonnyc/76468122">
       </div>
       <div class='description'>
         <h3>Semantic Conflict</h3>
@@ -381,7 +381,7 @@ <h3>Semantic Conflict</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_annot_bodycontact.jpg"
-             alt='Young Forrest and young Jenny hold hands.' />
+             alt='Young Forrest and young Jenny hold hands.'>
       </div>
       <div class='description'>
         <h3>Body Contact</h3>
@@ -401,7 +401,7 @@ <h3>Body Contact</h3>
       <div class='thumbnail'>
         <img src="/img/data/thumb_annot_eyegaze.jpg"
              alt='Forrest pointing to flashlights in the Watergate building,
-             with eyetracking data overlaid.' />
+             with eyetracking data overlaid.'>
       </div>
       <div class='description'>
         <h3>Eye Movement Labels</h3>
@@ -421,7 +421,7 @@ <h3>Eye Movement Labels</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_annot_music.jpg"
-             alt='The word "Music", stylized. CC-BY-SA https://commons.wikimedia.org/wiki/File:Maroper_Music.jpg' />
+             alt='The word "Music", stylized. CC-BY-SA https://commons.wikimedia.org/wiki/File:Maroper_Music.jpg'>
       </div>
       <div class='description'>
         <h3>Music</h3>
@@ -436,7 +436,7 @@ <h3>Music</h3>
     <div class="card-data">
       <div class='thumbnail'>
         <img src="/img/data/thumb_annot_confounds.png"
-             alt='Low and high volume and brightness. Icons by svgrepo.com; CC0 1.0 Universal PD Dedication' />
+             alt='Low and high volume and brightness. Icons by svgrepo.com; CC0 1.0 Universal PD Dedication'>
       </div>
       <div class='description'>
         <h3>Low-Level Perceptual Confounds</h3>

diff --git a/content/pages/explore.html b/content/pages/explore.html
@@ -1,8 +1,8 @@
 <html>
 <head>
   <title>Explore</title>
-  <meta name="save_as" content="explore.html" />
-  <meta name="url" content="explore.html" />
+  <meta name="save_as" content="explore.html">
+  <meta name="url" content="explore.html">
 </head>
 <body>
   <noscript>
@@ -147,7 +147,7 @@ <h2>Brain Parcellations</h2>
     subject, allowing for a quick quality inspection.
   </p>
   <img src="/img/freesurfer_parcellations.webp" alt="FreeSurfer Parcellation Animation"
-       class="explore-parcellation" />
+       class="explore-parcellation">
 
   <h2>Functional Data Quality</h2>
   <p>Since head movement during the acquisition of a functional MRI time series

diff --git a/content/pages/index.html b/content/pages/index.html
@@ -1,9 +1,9 @@
 <html>
 <head>
   <title>StudyForrest</title>
-  <meta name="template" content="index" />
-  <meta name="save_as" content="index.html" />
-  <meta name="url" content="index.html" />
+  <meta name="template" content="index">
+  <meta name="save_as" content="index.html">
+  <meta name="url" content="index.html">
 </head>
 <body>
   <div class='index-content'>
@@ -82,7 +82,7 @@ <h2>How are People Using It?</h2>
       <blockquote> [&hellip;] we use fMRI activity evoked by an emotionally
         charged movie and continuous ratings of the perceived emotion
         intensity to reveal the topographic organization of affective states.
-        <br />&mdash;
+        <br>&mdash;
         <a href="https://doi.org/10.1038/s41467-019-13599-z">
             Lettieri et al., Nature Comm., 2019</a>
       </blockquote>
@@ -92,7 +92,7 @@ <h2>How are People Using It?</h2>
         good health or disease. [&hellip;] A critical analysis
         of cortical parcellation protocols from FreeSurfer, BrainSuite,
         BrainVISA and BrainGyrusMapping revealed major limitations.
-        <br />&mdash;
+        <br>&mdash;
         <a href="https://doi.org/10.1016/j.neuroimage.2017.02.082">
             Mikhael et al., NeuroImage, 2018</a>
       </blockquote>
@@ -101,14 +101,14 @@ <h2>How are People Using It?</h2>
           by fMRI during film watching is both sensitive and specific to event
           boundaries, identifying a potential mechanism whereby event
           boundaries shape experience by modulation of hippocampal activity.
-        <br />&mdash;
+        <br>&mdash;
         <a href="https://doi.org/10.1523/JNEUROSCI.0524-18.2018">
             Ben-Yakov &amp; Henson, J Neuroscience, 2018</a>
       </blockquote>
 
       <blockquote>[&hellip;] magnetic resonance advection imaging might have future
         potential to contribute to the modeling of the cerebrovascular system and
-        to serve as a biomarker for cerebrovascular disease. <br />&mdash;
+        to serve as a biomarker for cerebrovascular disease. <br>&mdash;
         <a href="https://doi.org/10.1177/0271678X16651449">
             Voss et al., Journal of Cerebral Blood Flow & Metabolism, 2016</a>
       </blockquote>
@@ -117,7 +117,7 @@ <h2>How are People Using It?</h2>
         individual [brain] responses [&hellip;] to assess the degree to which
         functional topography is shared across subjects. We posit that this
         technique can be adapted to examine an array of situations where group
-        differences are the key experimental variable. <br />&mdash;
+        differences are the key experimental variable. <br>&mdash;
         <a href="https://papers.nips.cc/paper/5855-a-reduced-dimension-fmri-shared-response-model.pdf">
             Chen et al, NIPS, 2015</a>
       </blockquote>

diff --git a/content/pages/publications.html b/content/pages/publications.html
@@ -1,8 +1,8 @@
 <html>
 <head>
   <title>Publications</title>
-  <meta name="save_as" content="publications.html" />
-  <meta name="url" content="publications.html" />
+  <meta name="save_as" content="publications.html">
+  <meta name="url" content="publications.html">
 </head>
 <body>
   <p>This page lists publications that either describe data provided by the
@@ -11,7 +11,7 @@
   <form action='javascript:void(0)'
         onSubmit='filterForm(document.getElementById("publications_filter_field").value);'
         onReset='filterForm("")'>
-    <input id='publications_filter_field' type="text" placeholder="Filter table for..." aria-label="Filter table for..." /><button title='Filter Table' type="submit"><span class="icon-filter"></span></button>
+    <input id='publications_filter_field' type="text" placeholder="Filter table for..." aria-label="Filter table for..."><button title='Filter Table' type="submit"><span class="icon-filter"></span></button>
     <input type="reset" value="Reset">
   </form>
   <noscript>

diff --git a/theme/templates/base.html b/theme/templates/base.html
@@ -4,10 +4,10 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   {% block meta %}
-  <meta name="author" content="{{ AUTHOR }}" />
+  <meta name="author" content="{{ AUTHOR }}">
   {% endblock %}
   <title>{{ SITENAME }}{% block title %}{% endblock %}</title>
-  <link rel="license" hreflang="en" href="/copyright.html" />
+  <link rel="license" hreflang="en" href="/copyright.html">
 
   <!-- favicons were once a simple race, but they dug too greedily and too deep... -->
   <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png?v=5">
@@ -19,7 +19,7 @@
   <meta name="msapplication-TileColor" content="#da532c">
   <meta name="theme-color" content="#ffffff">
 
-  <link rel="stylesheet" type="text/css" href="/theme/css/style.css" />
+  <link rel="stylesheet" type="text/css" href="/theme/css/style.css">
   {% block extra_headers %}{% endblock %}
 </head>
 <body>

diff --git a/theme/templates/index.html b/theme/templates/index.html
@@ -12,7 +12,7 @@
   <div id="header">
     <h2>The home of a diverse and extensive collection of data and
         studies on our favorite shrimping, cross-country running,
-        international ping-pong champion: <br /><em>Forrest Gump</em>
+        international ping-pong champion: <br><em>Forrest Gump</em>
     </h2>
   </div>
 {% endblock topcontent %}