There are a number of external utilities you can use to edit the meta data, one such util can be found at the following link: http://www.pixlabs.com/DPU/overview/metadata.htm

OPTION G in OS X
 

After hours of searching online for this and trying all permutations of alt 0169 etc, I just wanted to add that if you are an Apple user, all you need to do is OPTION + G.

Sandra

It works off of the main keyboard. Select text tool, pick your position, hold down alt. type 169, release and continue to type if required.

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Option G is the only thing that works for me...
 

Believe me I tried that. Perhaps I have some other function appropriated to alt+1 etc ( not that I know of )

The way of holding down ALT and hitting numbers on the keypad can be used to get more than just the copyright symbol.

http://www.pictureinthesky.net/exter...sionchart.html

That's a conversion chart I made a few years ago when I was editing files on a binary level. Each column has 4 sub-columns:

Denary, (0x)Hex, (%)Binary, ASCII

Some applications you can also use ALT+184 to get a copyright symbol but this depends on the language pack Windows has been set to and the font you're using. If ALT+184 works then you can use ALT and the number in the "denary" column to get foreign characters. I've not yet got round to making a new chart...