#62926 by Richard Eriksson, Increase maximum length of the free-tagging textbox to 255 characters.

modules/taxonomy.module

@@ -648,7 +648,7 @@ function taxonomy_form_alter($form_id, &$form) {
           '#default_value' => $typed_string,
           '#autocomplete_path' => 'taxonomy/autocomplete/'. $vocabulary->vid,
           '#weight' => $vocabulary->weight,
-          '#maxlength' => 100,
+          '#maxlength' => 255,
         );
       }
       else {

modules/taxonomy/taxonomy.module

@@ -648,7 +648,7 @@ function taxonomy_form_alter($form_id, &$form) {
           '#default_value' => $typed_string,
           '#autocomplete_path' => 'taxonomy/autocomplete/'. $vocabulary->vid,
           '#weight' => $vocabulary->weight,
-          '#maxlength' => 100,
+          '#maxlength' => 255,
         );
       }
       else {