From f9812984008622fc363c48297cf1a2ade9bcc616 Mon Sep 17 00:00:00 2001
From: Mirko Raner <mirko@raner.ws>
Date: Sun, 21 Jun 2026 16:23:25 -0700
Subject: [PATCH] Issue #255: made existing test case fail

---
 .../main/java/pro/projo/interfaces/annotation/Dtd.java    | 7 ++++++-
 .../test/html/options/keywords/package-info.java          | 6 +++++-
 .../html/options/keywords/expected/Textarea.kava          | 1 +
 .../test/java/pro/projo/generation/dtd/DtdTestBase.java   | 8 +++++++-
 4 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/projo-template-annotation/src/main/java/pro/projo/interfaces/annotation/Dtd.java b/projo-template-annotation/src/main/java/pro/projo/interfaces/annotation/Dtd.java
index 8f5408f..7eca393 100644
--- a/projo-template-annotation/src/main/java/pro/projo/interfaces/annotation/Dtd.java
+++ b/projo-template-annotation/src/main/java/pro/projo/interfaces/annotation/Dtd.java
@@ -1,5 +1,5 @@
 //                                                                          //
-// Copyright 2022 - 2023 Mirko Raner                                        //
+// Copyright 2022 - 2026 Mirko Raner                                        //
 //                                                                          //
 // Licensed under the Apache License, Version 2.0 (the "License");          //
 // you may not use this file except in compliance with the License.         //
@@ -112,6 +112,11 @@
     **/
     Alias[] aliases() default {};
 
+    /**
+     * @return aliases for attributes (if any)
+     **/
+    Alias[] attributeAliases() default {};
+
     /**
     * @return custom attributes for elements (if any)
     **/
diff --git a/projo-template-generation-test/src/main/java/pro/projo/generation/interfaces/test/html/options/keywords/package-info.java b/projo-template-generation-test/src/main/java/pro/projo/generation/interfaces/test/html/options/keywords/package-info.java
index 4874692..393c0ef 100644
--- a/projo-template-generation-test/src/main/java/pro/projo/generation/interfaces/test/html/options/keywords/package-info.java
+++ b/projo-template-generation-test/src/main/java/pro/projo/generation/interfaces/test/html/options/keywords/package-info.java
@@ -1,5 +1,5 @@
 //                                                                          //
-// Copyright 2023 Mirko Raner                                               //
+// Copyright 2023 - 2026 Mirko Raner                                        //
 //                                                                          //
 // Licensed under the Apache License, Version 2.0 (the "License");          //
 // you may not use this file except in compliance with the License.         //
@@ -32,6 +32,10 @@
         @Attribute(name="cols", type=BigInteger.class),
         @Attribute(name="class", type=ElementClass.class)
     },
+    attributeAliases=
+    {
+        @Alias({"cols", "columns"})
+    },
     options=@Options
     (
         fileExtension=".kava",
diff --git a/projo-template-generation-test/src/test/resources/pro/projo/generation/interfaces/html/options/keywords/expected/Textarea.kava b/projo-template-generation-test/src/test/resources/pro/projo/generation/interfaces/html/options/keywords/expected/Textarea.kava
index cdcf651..7292317 100644
--- a/projo-template-generation-test/src/test/resources/pro/projo/generation/interfaces/html/options/keywords/expected/Textarea.kava
+++ b/projo-template-generation-test/src/test/resources/pro/projo/generation/interfaces/html/options/keywords/expected/Textarea.kava
@@ -131,6 +131,7 @@ public interface Textarea<PARENT>
     Textarea<PARENT> autocomplete(String autocomplete);
     Textarea<PARENT> autofocus(String autofocus);
     Textarea<PARENT> cols(BigInteger cols);
+    Textarea<PARENT> columns(BigInteger cols);
     Textarea<PARENT> dirname(File dirname);
     Textarea<PARENT> disabled(String disabled);
     Textarea<PARENT> form(String form);
diff --git a/projo-template-generation/src/test/java/pro/projo/generation/dtd/DtdTestBase.java b/projo-template-generation/src/test/java/pro/projo/generation/dtd/DtdTestBase.java
index 82371c8..c6047e5 100644
--- a/projo-template-generation/src/test/java/pro/projo/generation/dtd/DtdTestBase.java
+++ b/projo-template-generation/src/test/java/pro/projo/generation/dtd/DtdTestBase.java
@@ -1,5 +1,5 @@
 //                                                                          //
-// Copyright 2022 - 2023 Mirko Raner                                        //
+// Copyright 2022 - 2026 Mirko Raner                                        //
 //                                                                          //
 // Licensed under the Apache License, Version 2.0 (the "License");          //
 // you may not use this file except in compliance with the License.         //
@@ -160,6 +160,12 @@ public Attribute[] attributes()
               return new Attribute[] {};
             }
 
+            @Override
+            public Alias[] attributeAliases()
+            {
+                return new Alias[] {};
+            }
+
             @Override
             public int implicitTypeParameters()
             {