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- Diff module - http://drupal.org/project/diff
- ============================================
- Diff enhances usage of node revisions by adding the following features:
- - Diff between node revisions on the 'Revisions' tab to view all the changes
- between any two revisions of a node.
- - Highlight changes inline while viewing a node to quickly see color-coded
- additions, changes, and deletions.
- - Preview changes as a diff before updating a node.
- It is also an API to compare any entities although this functionality is not
- exposed by the core Diff module.
- REQUIREMENTS
- ------------
- Drupal 7.x
- INSTALLATION
- ------------
- 1. Place the Diff module into your modules directory.
- This is normally the "sites/all/modules" directory.
- 2. Go to admin/build/modules. Enable the module.
- The Diff modules is found in the Other section.
- Read more about installing modules at http://drupal.org/node/70151
- See the configuration section below.
- UPGRADING
- ---------
- Any updates should be automatic. Just remember to run update.php!
- CONFIGURATION
- -------------
- Unlike the earlier version, the module now has a lot of configurable settings.
- Global settings can be found under Configuration > Content > Diff
- i.e. http://www.example.com/admin/config/content/diff
- Entity specific settings would be listed under the entities settings. This
- module only handles Node revisioning functionality, and these are detailed
- below.
- 1) Node revisioning settings
- Diff needs to be configured to be used with specific node types on your site.
- To enable any of Diff's options on a content type's settings page.
- e.g. http://www.example.com/admin/structure/types/manage/page
- a) Diff options
- Under "Compare revisions", enable the settings that you want;
-
- i) "Show View changes button on node edit form" adds a new "Preview" like
- submit button to node editing pages. This shows a diff preview.
-
- ii) "Enable the Revisions page for this content type" adds the revisioning
- tab to content. This allows users to compare between various revisions
- that they have access to.
-
- iii) "Standard comparison preview" option allows you to control how the most
- current revision is show on the revision comparision page.
-
- b) Publishing options
- It is strongly advised that you also enable the automatic creation of
- revisions on any content types you want to use this with. If you do not do
- this, chances are there will be limited revisioning information available to
- compare.
- Under "Publishing options", enable "Create new revision".
- 2) Field revisioning settings
- Global settings per field type can be found here:
- http://www.example.com/admin/config/content/diff/fields
- "Show field title" toggles field title visibility on the comparison page.
-
- "Markdown callback" is the callback used to render the field when viewing the
- page in the "Marked down" page view.
-
- "Line counter" is an optional. This shows the approximate line number where
- the change occurred. This is an approximate counter only.
-
- Other fields add additional settings here.
-
- 3) Entity revisioning settings
- Global configurable settings limited to node entities.
- a) Show entity label header
-
- This provides a field like title for the entity label field.
-
- i.e. For nodes, this provides a header for the node's title.
-
- b) Treat diff pages as administrative
-
- By default, the revisioning pages are administrative, i.e. they will use the
- administration theme. You can block this by unchecking this option.
-
- 4) Global settings
- A small number of new features have been added to the 7.x-3.x branch, these
- include the ability to change the leading and trailing lines in the comparison,
- a new CSS theme for the diff pages, new JScript options for the revisioning
- selection form and options to help prevent cross operating systems in relation
- to line endings.
- http://www.example.com/admin/config/content/diff
- Technical
- ---------
- - Diff compares the raw data, not the filtered output, making it easier to see
- changes to HTML entities, etc.
- - The diff engine itself is a GPL'ed php diff engine from phpwiki.
- API
- ---
- See diff.api.php
- Maintainers
- -----------
- - realityloop (Brian Gilbert)
- - Alan D. (Alan Davison)
- - dww (Derek Wright)
- - moshe (Moshe Weitzman)
- - rötzi (Julian)
- - yhahn (Young Hahn)
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