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# doctools::changelog(n) 1.1 tcllib "Documentation tools"

## Name

doctools::changelog - Processing text in Emacs ChangeLog format

## Synopsis

- package require Tcl 8.2
- package require textutil
- package require doctools::changelog ?1.1?

- ::doctools::changelog::scan text
- ::doctools::changelog::flatten entries
- ::doctools::changelog::toDoctools title module version entries
- ::doctools::changelog::merge entries...

## Description

This package provides Tcl commands for the processing and reformatting of text in the "ChangeLog" format generated by emacs.

## API

::doctools::changelog::scan text

  The command takes the text and parses it under the assumption that it contains a ChangeLog as generated by emacs. It returns a data structure describing the contents of this ChangeLog.

  This data structure is a list where each element describes one entry in the ChangeLog. Each element/entry is then a list of three elements describing the date of the entry, its author, and the comments made, in this order. The last item in each element/entry, the comments, is a list of sections. Each section is described by a list containing two elements, a list of file names, and a string containing the true comment associated with the files of the section.

          {
      	{
      	    date
      	    author
      	    {
      		{
      		    {file ...}
      		    commenttext
      		}
      		...
      	    }
      	}
      	{...}
          }

::doctools::changelog::flatten entries

  This command converts a list of entries as generated by change::scan above into a simpler list of plain text blocks each containing all the information of a single entry.

::doctools::changelog::toDoctools title module version entries

  This command converts the pre-parsed ChangeLog entries as generated by the command ::doctools::changelog::scan into a document in doctools format and returns it as the result of the command.

  The other three arguments supply the information for the header of that document which is not available from the changelog itself.

::doctools::changelog::merge entries...

  Each argument of the command is assumed to be a pre-parsed Changelog as generated by the command ::doctools::changelog::scan. This command merges all of them into a single structure, and collapses multiple entries for the same date and author into a single entry. The new structure is returned as the result of the command.

## Bugs, Ideas, Feedback

This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category doctools of the Tcllib Trackers. Please also report any ideas for enhancements you may have for either package and/or documentation.

When proposing code changes, please provide unified diffs, i.e the output of diff -u.

Note further that attachments are strongly preferred over inlined patches. Attachments can be made by going to the Edit form of the ticket immediately after its creation, and then using the left-most button in the secondary navigation bar.

## Keywords

changelog, doctools, emacs

## Category

Documentation tools

## Copyright

Copyright © 2003-2013 Andreas Kupries <andreas_kupries@users.sourceforge.net>