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   1  $Id: readme.txt,v 1.5.4.1.2.2 2010/08/12 16:28:59 yhahn Exp $
   2  
   3  Diff 2.x for Drupal 6.x
   4  -----------------------
   5  Diff enhances usage of node revisions by adding the following features:
   6  
   7  - diff between node revisions on the 'Revisions' tab to view all the changes
   8    between any two revisions of a node
   9  - highlight changes inline while viewing a node to quickly see color-coded
  10    additions, changes, and deletions
  11  - preview changes as a diff before updating a node
  12  
  13  
  14  Installation
  15  ------------
  16  Diff can be installed like any other Drupal module -- place it in
  17  the modules directory for your site and enable it on the `admin/build/modules`
  18  page.
  19  
  20  Diff needs to be configured to be used with specific node types on your site.
  21  Enable any of diff's options on a content type's settings page (e.g.
  22  `admin/content/node-type/page`).
  23  
  24  
  25  Technical
  26  ---------
  27  - Diff compares the raw data, not the filtered output, making it easier to see
  28  changes to HTML entities, etc.
  29  - The diff engine itself is a GPL'ed php diff engine from phpwiki.
  30  
  31  API
  32  ---
  33  This module offers `hook_diff()` which modules may use to inject their changes
  34  into the presentation of the diff. For example, this is used by
  35  `content.diff.inc` (see CCK), `upload.inc`, and `taxonomy.inc`.
  36  
  37  Maintainers
  38  -----------
  39  - dww (Derek Wright)
  40  - moshe (Moshe Weitzman)
  41  - rötzi (Julian)
  42  - yhahn (Young Hahn)