All symbols starting with `o' in common

• occurs common/dlgcode.c:6725
• OF common/inflate.h:6
• OPEN_TEST_STRUCT common/apidrvr.h:183
• OpenVolumeContext common/dlgcode.h:212
• OpenVolumeExplorerWindow common/dlgcode.c:4004
• Optionally common/language.xml:83
• OSVersionEnum common/common.h:39
• Otherwise common/language.xml:92