I only mentioned it for the record. ${PREFIX}/share/lyx doesn't exist, under any definition of ${PREFIX}. If I hadn't already known where the files were, it might not have been obvious where to find them. It also requires special effort to navigate to the contents of an .app package on OSX - you have to know that the LyX program is actually a directory, /Applications/LyX.app/, to get inside it from the command line. You need to control-click the LyX icon and choose "Show package contents" to get inside it from the Finder.
If you click LyX -> About on the toolbar, LyX/Mac will tell you where the system LyX files and your local LyX files are on your installation. The reason the LyX system files are in the application bundle in LyX/Mac instead of the .../share/lyx directory used on other versions of Unix/Linux is so the LyX/Mac application could be made relocatable (you can put it anywhere you choose) and so the installation would include everything in a single bundle which is Apple's preferred spec for MacOSX applications.
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Ronald Florence www.18james.com
