Reject whitespace-only searches

diff --git a/index.html b/index.html
index c1c06e7d73ff096f33a9d97bf4363853da5ae0e3..da9e53f67a503cd15c220de758d5f1cdd10d91dd 100644 (file)
--- a/index.html
+++ b/index.html
@@ -44,7 +44,7 @@
 
     <form role="search">
       <label for="query" class="visually-hidden">Search this site</label>
-      <input type="search" name="query" id="query">
+      <input type="search" name="query" id="query" pattern=".*\w+.*" required>
       <button>
         <svg role="img" aria-labelledby="search-icon" width="24" height="24" viewBox="0 0 24 24" fill="none">
           <title id="search-icon">Search</title>