Improve cumulative heading offset behaviour (#56)

* Improve cumulative heading offset behaviour

Author: mondeja

.bumpversion.cfg

@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.1.3
+current_version = 3.1.4
 
 [bumpversion:file:mkdocs_include_markdown_plugin/__init__.py]
 

mkdocs_include_markdown_plugin/__init__.py

@@ -1,2 +1,2 @@
 __title__ = 'mkdocs_include_markdown_plugin'
-__version__ = '3.1.3'
+__version__ = '3.1.4'

mkdocs_include_markdown_plugin/event.py

@@ -214,7 +214,7 @@ def found_include_markdown_tag(match):
             text_to_include = _includer_indent + text_to_include
 
         # heading offset
-        offset = cumulative_heading_offset
+        offset = 0
         offset_match = re.search(
             ARGUMENT_REGEXES['heading-offset'],
             arguments_string,
@@ -226,15 +226,15 @@ def found_include_markdown_tag(match):
         new_text_to_include = get_file_content(
             text_to_include,
             file_path_abs,
-            cumulative_heading_offset=offset,
+            cumulative_heading_offset=cumulative_heading_offset,
         )
         if new_text_to_include != text_to_include:
             text_to_include = new_text_to_include
 
         if offset_match:
             text_to_include = process.increase_headings_offset(
                 text_to_include,
-                offset=offset,
+                offset=offset + cumulative_heading_offset,
             )
 
         if not bool_options['comments']['value']:

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = mkdocs_include_markdown_plugin
-version = 3.1.3
+version = 3.1.4
 description = Mkdocs Markdown includer plugin.
 long_description = file: README.md
 long_description_content_type = text/markdown

tests/test_nested_includes.py

@@ -138,7 +138,7 @@
 
 ## Header 2
 
-#### Header 3
+### Header 3
 
 ''',
             id='cumulative_heading_offset',