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ADOBE PHOTOSHOP CS2 
User Guide 
See also 
To paint with a state or snapshot of an image 
Select the History Brush tool 
Do one of the following in the options bar: 
• 
Specify the opacity and blending mode. 
• 
Choose a brush and set brush options. 
In the History palette, click the left column of the state or snapshot to be used as the source for the History Brush
tool.
Drag to paint with the History Brush tool.
See also 
About the Edit History Log 
You may need to keep careful track of what’s been done to a file in Photoshop, either for your own records, client 
records, or legal purposes. The Edit History Log helps you keep a textual history of changes made to an image. You 
can view the Edit History Log metadata using Adobe Bridge or the File Info dialog box. 
You can choose to export the text to an external log file, or you can store the information in the metadata of edited 
files. Storing many editing operations as file metadata increases file size; such files may take longer than usual to open 
and save. 
If you need to prove that the log file hasn’t been tampered with, keep the edit log in the file’s metadata, and then use 
Adobe Acrobat to digitally sign the log file. 
See also 
To set Edit History Log options
Choose Edit > Preferences > General (Windows) or Photoshop > Preferences > General (Mac OS).
Click the History Log preference to toggle from on to off or vice versa.
In the History Log Options pane, choose one of the following options:
Metadata 
Stores metadata for each image.
Text File 
Exports the text to an external file. You are prompted to name the log file and choose a location in which
to store it.
Both 
Stores metadata in the file and creates a text file.