The complete set of colormap attributes is discussed in the following paragraphs.
| colormap-display | colormap | Function | 
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 Returns the display object associated with the specified colormap. 
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| colormap-equal | colormap-1 colormap-2 | Function | 
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 Returns true if the two arguments refer to the same server resource and nil if they do not. | 
| colormap-id | colormap | Function | 
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 Returns the unique ID assigned to the specified colormap. 
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| colormap-p | colormap | Function | 
| Returns non-nil if the argument is a colormap and nil otherwise. 
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| colormap-plist | colormap | Function | 
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 Returns and (with setf) sets the property list for the specified colormap. This function provides a hook where extensions can add data. 
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