Defines starting with `j' in src/include

• JAM1 src/include/picasso96.h:13
• JAM2 src/include/picasso96.h:14
• JSEM_END src/include/inputdevice.h:138
• JSEM_JOYS src/include/inputdevice.h:136
• JSEM_KBDLAYOUT src/include/inputdevice.h:135
• JSEM_LASTKBD src/include/inputdevice.h:145
• JSEM_MICE src/include/inputdevice.h:137