--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+module test_commonmark_tabs is test
+
+import test_markdown
+
+class TestCommonmarkTabs
+ super TestMarkdownHtml
+ test
+
+ fun test1 is test do
+ var md = """\tfoo\tbaz\t\tbim\n"""
+ var html = """<pre><code>foo\tbaz\t\tbim\n</code></pre>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test2 is test do
+ var md = """ \tfoo\tbaz\t\tbim\n"""
+ var html = """<pre><code>foo\tbaz\t\tbim\n</code></pre>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test3 is test do
+ var md = """ a\ta\n ὐ\ta\n"""
+ var html = """<pre><code>a\ta\nὐ\ta\n</code></pre>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test4 is test do
+ var md = """ - foo\n\n\tbar\n"""
+ var html = """<ul>\n<li>\n<p>foo</p>\n<p>bar</p>\n</li>\n</ul>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test5 is test do
+ var md = """- foo\n\n\t\tbar\n"""
+ var html = """<ul>\n<li>\n<p>foo</p>\n<pre><code> bar\n</code></pre>\n</li>\n</ul>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test6 is test do
+ var md = """>\t\tfoo\n"""
+ var html = """<blockquote>\n<pre><code> foo\n</code></pre>\n</blockquote>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test7 is test do
+ var md = """-\t\tfoo\n"""
+ var html = """<ul>\n<li>\n<pre><code> foo\n</code></pre>\n</li>\n</ul>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test8 is test do
+ var md = """ foo\n\tbar\n"""
+ var html = """<pre><code>foo\nbar\n</code></pre>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test9 is test do
+ var md = """ - foo\n - bar\n\t - baz\n"""
+ var html = """<ul>\n<li>foo\n<ul>\n<li>bar\n<ul>\n<li>baz</li>\n</ul>\n</li>\n</ul>\n</li>\n</ul>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test10 is test do
+ var md = """#\tFoo\n"""
+ var html = """<h1>Foo</h1>\n"""
+ assert md_to_html(md) == html
+ end
+
+ fun test11 is test do
+ var md = """*\t*\t*\t\n"""
+ var html = """<hr />\n"""
+ assert md_to_html(md) == html
+ end
+end