https://bugs.freedesktop.org/show_bug.cgi?id=8660
handle the left contrl/option/apple keys properly.
apple+tab switches window
alt+e gives euro, alt+l gives @, etc

================================================================================
--- rules/base.ml_s.part.orig	2010-04-23 20:00:45.000000000 +0200
+++ rules/base.ml_s.part	2010-09-04 18:53:45.000000000 +0200
@@ -28,7 +28,7 @@
  $applealu	$macvendorlayouts	=	macintosh_vndr/apple(alukbd)+macintosh_vndr/%l%(v)
  $applealu	*			=	macintosh_vndr/apple(alukbd)+%l%(v)
  $macs		en_US			=	pc+macintosh_vndr/us(extended)
- $macs		$macvendorlayouts	=	pc+macintosh_vndr/%l%(v)
+ $macs		$macvendorlayouts	=	pc+macintosh_vndr/%l%(v)+altwin(swap_lalt_lwin)+level3(alt_switch)
   nokiarx44	*			=	nokia_vndr/rx-44(%l)
   nokiarx51	cz(qwerty)		=	nokia_vndr/rx-51(common)+nokia_vndr/rx-51(cz_qwerty)
   nokiarx51	*			=	nokia_vndr/rx-51(common)+nokia_vndr/rx-51(%l%_v)
--- rules/base.ml1_s.part.orig	2010-04-23 20:00:45.000000000 +0200
+++ rules/base.ml1_s.part	2010-09-04 18:54:19.000000000 +0200
@@ -8,7 +8,7 @@
   applealu_jis	us			=	macintosh_vndr/apple(alukbd)+macintosh_vndr/jp(usmac)
  $applealu	$macvendorlayouts	=	macintosh_vndr/apple(alukbd)+macintosh_vndr/%l[1]%(v[1])
  $applealu	*			=	macintosh_vndr/apple(alukbd)+%l[1]%(v[1])
- $macs		$macvendorlayouts	=	pc+macintosh_vndr/%l[1]%(v[1])
+ $macs		$macvendorlayouts	=	pc+macintosh_vndr/%l[1]%(v[1])+altwin(swap_lalt_lwin)+level3(alt_switch)
   nokiarx51	cz(qwerty)		=	nokia_vndr/rx-51(common)+nokia_vndr/rx-51(cz_qwerty)
   nokiarx51	*			=	nokia_vndr/rx-51(common)+nokia_vndr/rx-51(%l[1]%_v[1])
  $thinkpads	br			=	pc+%l[1](thinkpad)