Convert TEXT MARKDOWNPHPEXTRA to 1 (Man Page)

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.

The 1 file extension refers to Unix Section 1 Manual Pages, which are plain text files containing documentation for user commands in Unix systems. Accessed via the "man" utility, these files provide detailed information on command usage, options, and examples. Historically, they have been an essential part of Unix documentation, helping users understand and effectively utilize commands. The 1 designation indicates that the manual page pertains to general commands.