Convert TXT COMMONMARKX to TEXT MARKDOWNPHPEXTRA

The TXT file extension, which represents CommonMark Markdown Language with Extensions is a standardized, plain-text formatting syntax designed to be converted to HTML. CommonMark aims to improve the readability and portability of text, and it is widely used in documentation, forums, and note-taking applications. Extensions enhance its functionality, such as adding support for annotations, form inputs, and other features.

The TEXT file extension, associated with PHP Markdown Extra Documentation, refers to plain text files used to write and store documentation. These files are simple, human-readable, and can be easily converted to HTML using Markdown syntax. The TEXT extension is commonly used for README files, configuration files, and other documentation purposes. Markdown Extra enhances the basic Markdown syntax with additional features like tables, footnotes, and definition lists, making it a powerful tool for creating well-structured documentation.