The "test-comment-format" command:

Usage: fossil test-comment-format ?OPTIONS? PREFIX TEXT ?ORIGTEXT?

Test comment formatting and printing. Use for testing only.

Options:

--file

The comment text is really just a file name to read it from

--decode

Decode the text using the same method used when handling the value of a C-card from a manifest.

--legacy

Use the legacy comment printing algorithm

--trimcrlf

Enable trimming of leading/trailing CR/LF

--trimspace

Enable trimming of leading/trailing spaces

--wordbreak

Attempt to break lines on word boundaries

--origbreak

Attempt to break when the original comment text is detected

--indent

Number of spaces to indent (default (-1) is to auto-detect). Zero means no indent.

-W|--width NUM

Width of lines (default (-1) is to auto-detect). Zero means no limit.