fixed settings, added docs note

docs/docs/configuration.rst

@@ -50,15 +50,15 @@ Usage:
    custom_blocks = "toc,example"
 
 custom_html
--------------
+-----------
 
-Use to indent custom HTML tags. For example ``<mjml>`` or ``<simple-greeting>``
+Use to indent custom HTML tags. For example ``<mjml>`` or ``<simple-greeting>`` or ``<mj-\w+>``
 
 Usage:
 
 .. code:: ini
 
-   custom_html = "mjml,simple-greeting"
+   custom_html = "mjml,simple-greeting,mj-\\w+"
 
 indent
 ------

src/djlint/settings.py

@@ -777,6 +777,7 @@ class Config:
             | summary
             | """
             + self.always_self_closing_html_tags
+            + self.custom_html
             + """
         """
         )

tests/test_config.py

@@ -7,7 +7,7 @@ run::
 
 for a single test, run::
 
-   pytest tests/test_config.py::test_indent --cov=src/djlint \
+   pytest tests/test_config.py::test_custom_html --cov=src/djlint \
      --cov-branch --cov-report xml:coverage.xml --cov-report term-missing
 
 """
@@ -33,9 +33,10 @@ def test_custom_tags(runner: CliRunner) -> None:
     )
     assert result.exit_code == 1
 
+
 def test_custom_html(runner: CliRunner) -> None:
     result = runner.invoke(djlint, ["tests/config_custom_html/html.html", "--check"])
-
+    print(result.output)
     assert (
         """-<mjml><mj-body>this is a email text</mj-body></mjml>
 +<mjml>