index.html.in: use "*" instead of "+" for input pattern validation

The two are equivalent given the minlength restriction; I just like
this better.

diff --git a/index.html.in b/index.html.in
index e129eeaf84ff70aaf50915ba8995f98d96d09f86..5c203d443527894440bdd1fc2435c05f31715009 100644 (file)
--- a/index.html.in
+++ b/index.html.in
@@ -235,7 +235,7 @@
                    type="text"
                    minlength="2"
                    maxlength="2"
-                   pattern="[a-zA-Z0-9]+" />
+                   pattern="[a-zA-Z0-9]*" />
           </div>
           <input type="hidden" name="servicename" value="BaltimoreLink" />
           <input type="submit" name="go" value="Get Ticket" />
@@ -256,7 +256,7 @@
                    type="text"
                    minlength="2"
                    maxlength="2"
-                   pattern="[a-zA-Z0-9]+" />
+                   pattern="[a-zA-Z0-9]*" />
           </div>
 
           <h3>Zone</h3>
@@ -297,7 +297,7 @@
                    type="text"
                    minlength="2"
                    maxlength="2"
-                   pattern="[a-zA-Z0-9]+" />
+                   pattern="[a-zA-Z0-9]*" />
           </div>
 
           <h3>Origin</h3>