Toolbar patch (OS X)

[David Reitter]

I'm attaching a patch which enables the toolbar button in the upper  
right corner of each frame. This button is standard in OS X  
applications and allows users to switch the toolbar on and off per  
frame. The actual tool-bar switching functionality is already present  
(frame parameter 'tool-bar-lines), here I'm just enabling the button  
and its event-handling.

This has been in use in a couple of Aquamacs versions (>1500 users  
currently), and the Japanese Carbon Emacs Package is using it too.

toolbar-button.patch
Description: Binary data

smime.p7s
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