Adobe ACROBAT 9 HOW-TOS - 84: Comparing Documents

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The Compare feature in Acrobat 9 has come a long way from its earlier
versions. In Acrobat 9, dierences between two versions of a document
are highlighted and commented.
Compare shows dierences in text and images based on three dierent
document structures programmed into the feature. To do a comparison,
follow these steps:
1. Choose Document > Compare Documents to open the Compare
Documents dialog.
2. Click Choose for each of the Compare (older document) and To (newer
document) elds, and locate and select the les you want to use. Click
the Document pop-up menu to choose any open les for either docu-
ment option.
3. For both documents, type a page number in the First page and Last page
elds to change the comparisons if necessary. The elds list the page
numbers for the rst and last pages of the documents automatically.
4. Select a Document Description option (read about the options in the
sidebar “Matching Descriptions”).
5. Click OK to close the dialog and compare the les.
Acrobat processes the les and generates the changes. The con-
tents are displayed in the Compare navigation pane, new in Acrobat 9
(Figure 84a).
#84: Comparing Documents
Comparing Documents
#
84
Matching Descriptions
You choose one of three
options when setting up a
document comparison proc-
ess. The choices are based
on general types of features
found in the named docu-
ment types. For example:
•
Reports, spread-
sheets, magazine
layouts. In these sorts
of documents, text
usually flows from one
page to another, so the
feature looks for moves
between pages.
•
Presentation decks,
drawings, or illus-
trations. Each page is
treated like a separate
document, and Com-
pare looks for changes in
order, as you’d often find
in a set of PowerPoint
slides.
•
Scanned documents.
Acrobat creates tempo-
rary images from each
document that are then
compared as images.
From the Library of Daniel Dadian