The Latvian "cedillas" are really commas below, and are best encoded so. Still for lowercase g (not for uppercase) the comma below is _rendered_ as a turned comma above.
The 'not for uppercase' rule depends on the design of the uppercase letter. Typically, there is no descending portion, so the 'comma' accent goes below; in some handwriting typefaces and with swash letters, the G may have a descending stroke. In this case the accent is turned and placed above, just as it is for the lowercase. Of course, it is encoded as the comma below. The attached examples are from the version of Hermann Zapf's Zapfino that ships with Apple's OS X.
John Hudson
<<attachment: Gcomma.gif>>
Tiro Typeworks www.tiro.com Vancouver, BC [EMAIL PROTECTED]
I sometimes think that good readers are as singular, and as awesome, as great authors themselves. - JL Borges