re #805

app/views/oer/market/_searchform.php

@@ -3,11 +3,12 @@
         <div class="frame">
             <span v-if="category != null"
                   class="category activefilter" title="<?= _('Aktiver Filter der Kategorie') ?>">
-                <span>{{ category }}</span>
+                <span id="oer_active_category">{{ category }}</span>
                 <a href="#"
                    @click.prevent="clearCategory"
                    class="erasefilter"
-                   title="<?= _('Filter der Kategorie entfernen') ?>">
+                   aria-describedby="oer_active_category"
+                   aria-label="<?= _('Filter der Kategorie entfernen') ?>">
                     <studip-icon shape="decline" role="clickable" size="16" class="text-bottom"></studip-icon>
                 </a>
             </span>

resources/vue/components/StudipIcon.vue

 <template>
     <input v-if="name" type="image" :name="name" :src="url"
            :width="size" :height="size" v-bind="$attrs" v-on="$listeners">
-    <img v-else :src="url" :width="size" :height="size" v-bind="$attrs" v-on="$listeners">
+    <img v-else :src="url" alt='' :width="size" :height="size" v-bind="$attrs" v-on="$listeners">
 </template>
 
 <script>