If a filename includes a "." (separate from the ".md" extension), the file is not found/included and the string is left as-is. //_readme.md ```markdown # A heading Some text #include "path/to/working/include.md" More text #include "path/to/other/include.5.md" ``` Resulting markdown: ```markdown # A heading Some text Some working markdown include More text #include "path/to/other/include.5.md" ```