idnits:tldr:9726e
The command "idnits --verbose ${filename-txt}" is used to run the idnits tool in verbose mode on a specific text file.
Explanation of the command:
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"idnits" refers to the command or tool known as idnits. The idnits tool is used to check an Internet Draft (I-D) or Request for Comments (RFC) document for formatting errors and other potential issues before submission.
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"--verbose" is an option or argument provided to the idnits tool to run in verbose mode. In verbose mode, the tool provides more detailed and extensive output, displaying additional information about the document being processed.
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"${filename-txt}" is a placeholder that represents the name of the text file you want to run idnits on. The ".txt" extension suggests that the file is a plain text file.
When you run this command, the idnits tool will be executed in verbose mode on the specified text file, displaying detailed output about any formatting errors or other potential issues identified within the document.