The following files with gray instead of grey are in our official library and should be updated IMHO:
Selection from LDFind
Show only part type qualifier: All
Hide unofficial parts........: False
Hide official parts..........: False
Hide ~parts..................: False
Hide _parts..................: False
Hide =parts..................: False
Hide parts...................: False
Hide subparts................: False
Hide primitives..............: False
gives the following (28) results:
_Ball 52mm Diameter Dark Gray C:\ldraw\parts\23065.dat
_Boat Bow 16 x 12 x 5 & 1/3 Red/Dark Gray C:\ldraw\parts\4100338.dat
_Technic Universal Joint (Complete Assembly Shortcut) Stone Gray C:\ldraw\parts\4240416.dat
~Minifig Torso with Castle Female Armor Light Gray Area C:\ldraw\parts\s\973p4ga.dat
~Minifig Torso with Gray and Gold Batman Pattern - Half C:\ldraw\parts\s\973pb0a.dat
~Minifig Torso with Stormtrooper Pattern - Light gray C:\ldraw\parts\s\973pska.dat
~Minifig Torso with Stormtrooper Pattern - Medium gray C:\ldraw\parts\s\973pskb.dat
~Minifig Torso with SW Camouflage Smock - Light Gray C:\ldraw\parts\s\973psm1.dat
~Tile 2 x 2 with SW Rebel Mechanical Pattern - Darker Gray Areas C:\ldraw\parts\s\3068b101.dat
Animal Dinosaur Body Triceratops (Complete) w/ Light Gray Legs C:\ldraw\parts\30461c01.dat
Animal Dinosaur Stegosaurus (Complete) with Light Gray Legs C:\ldraw\parts\76443c01.dat
Boat Hull Floating 51 x 12 with Dark Bluish Gray Top C:\ldraw\parts\54779c02.dat
Boat Hull Floating 51 x 12 with Light Bluish Gray Top C:\ldraw\parts\54779c01.dat
Figure Fabuland Monkey Head 2 with Neck and Captain's Cap Gray C:\ldraw\parts\u595p02c02.dat
Minifig Dagger with Pearl Light Gray Blade C:\ldraw\parts\88288p01.dat
Minifig Head with LOTR Thick Gray Eyebrows and Smile Pattern C:\ldraw\parts\3626cpm1.dat
Minifig Shield Triangular with Red and Gray Pattern, Blue Frame C:\ldraw\parts\3846p47.dat
Minifig Torso Female with LtPurple Scarf and Gray Belt Pattern C:\ldraw\parts\973p7y.dat
Minifig Torso with Leather Jacket and Light Gray Shirt Pattern C:\ldraw\parts\973pa9.dat
Minifig Torso with Red & Gray Shirt, Pot Belly, Jacket Pattern C:\ldraw\parts\973paf.dat
Motor Pull Back 4 x 9 x 2.333 Type 2 with Dark Gray Base C:\ldraw\parts\u9062c02.dat
Panel 2 x 5 x 6 Wall with Dark Gray Scattered Stones Pattern C:\ldraw\parts\4444p02.dat
Panel 2 x 5 x 6 Wall with Dark Gray Stones Pattern C:\ldraw\parts\4444p01.dat
Panel 2 x 5 x 6 Wall with Light Gray Scattered Stones Pattern C:\ldraw\parts\4444p05.dat
Panel 2 x 5 x 6 Wall with Light Gray Window Stones Pattern C:\ldraw\parts\4444p04.dat
Plate 1 x 2 with Tooth and Flexible LightBluishGrey Tip C:\ldraw\parts\61406p02.dat
Slope Brick 45 2 x 3 x 1 & 1/3 Double with Light Gray Hook C:\ldraw\parts\3135c02.dat
Vehicle Base 10 x 4 with Two Wheels Light Gray C:\ldraw\parts\4613c01.dat
List generated on 2014-01-05 by LDFind Version 1.3.5.0.
Maybe also those with color instead of colour:
Selection from LDFind
Show only part type qualifier: All
Hide unofficial parts........: False
Hide official parts..........: False
Hide ~parts..................: False
Hide _parts..................: False
Hide =parts..................: False
Hide parts...................: False
Hide subparts................: False
Hide primitives..............: False
gives the following (15) results:
~Electric Mindstorms EV3 Color Sensor / Color Lamp RGB LED C:\ldraw\parts\11013.dat
~Electric Mindstorms EV3 Color Sensor / Lamp Phototransistor C:\ldraw\parts\99396.dat
~Electric Mindstorms EV3 Color Sensor Front Shell C:\ldraw\parts\99388.dat
~Electric Mindstorms EV3 Color Sensor Opto Support C:\ldraw\parts\11014.dat
~Electric Mindstorms EV3 Color Sensor Opto Support without Edge C:\ldraw\parts\s\11014s01.dat
~Electric Mindstorms EV3 Color Sensor Opto Support, Red Edge C:\ldraw\parts\11014p01.dat
~Electric Mindstorms EV3 IR-Beacon Case Top Color Mark C:\ldraw\parts\s\76607s02.dat
~Electric Mindstorms EV3 IR-Beacon Case Top, Color Marks Pattern C:\ldraw\parts\76607p01.dat
~Electric Mindstorms NXT Color Sensor / Color Lamp RGB LED C:\ldraw\parts\64897.dat
~Electric Mindstorms NXT Color Sensor / Color Lamp Shell Front C:\ldraw\parts\64893.dat
~Electric Mindstorms NXT Color Sensor / Lamp Phototransistor C:\ldraw\parts\64898.dat
~Electric Mindstorms NXT Color Sensor Shell Front C:\ldraw\parts\u9110.dat
~Electric Mindstorms NXT Color Sensor Shell Front Black Dishes C:\ldraw\parts\s\64893s01.dat
~Minifig Torso with SW Scout Trooper - Dithered Color C:\ldraw\parts\s\973pse1.dat
Electric Mindstorms EV3 Color Sensor C:\ldraw\parts\95650.dat
List generated on 2014-01-05 by LDFind Version 1.3.5.0.
Selection from LDFind
Show only part type qualifier: All
Hide unofficial parts........: False
Hide official parts..........: False
Hide ~parts..................: False
Hide _parts..................: False
Hide =parts..................: False
Hide parts...................: False
Hide subparts................: False
Hide primitives..............: False
gives the following (28) results:
_Ball 52mm Diameter Dark Gray C:\ldraw\parts\23065.dat
_Boat Bow 16 x 12 x 5 & 1/3 Red/Dark Gray C:\ldraw\parts\4100338.dat
_Technic Universal Joint (Complete Assembly Shortcut) Stone Gray C:\ldraw\parts\4240416.dat
~Minifig Torso with Castle Female Armor Light Gray Area C:\ldraw\parts\s\973p4ga.dat
~Minifig Torso with Gray and Gold Batman Pattern - Half C:\ldraw\parts\s\973pb0a.dat
~Minifig Torso with Stormtrooper Pattern - Light gray C:\ldraw\parts\s\973pska.dat
~Minifig Torso with Stormtrooper Pattern - Medium gray C:\ldraw\parts\s\973pskb.dat
~Minifig Torso with SW Camouflage Smock - Light Gray C:\ldraw\parts\s\973psm1.dat
~Tile 2 x 2 with SW Rebel Mechanical Pattern - Darker Gray Areas C:\ldraw\parts\s\3068b101.dat
Animal Dinosaur Body Triceratops (Complete) w/ Light Gray Legs C:\ldraw\parts\30461c01.dat
Animal Dinosaur Stegosaurus (Complete) with Light Gray Legs C:\ldraw\parts\76443c01.dat
Boat Hull Floating 51 x 12 with Dark Bluish Gray Top C:\ldraw\parts\54779c02.dat
Boat Hull Floating 51 x 12 with Light Bluish Gray Top C:\ldraw\parts\54779c01.dat
Figure Fabuland Monkey Head 2 with Neck and Captain's Cap Gray C:\ldraw\parts\u595p02c02.dat
Minifig Dagger with Pearl Light Gray Blade C:\ldraw\parts\88288p01.dat
Minifig Head with LOTR Thick Gray Eyebrows and Smile Pattern C:\ldraw\parts\3626cpm1.dat
Minifig Shield Triangular with Red and Gray Pattern, Blue Frame C:\ldraw\parts\3846p47.dat
Minifig Torso Female with LtPurple Scarf and Gray Belt Pattern C:\ldraw\parts\973p7y.dat
Minifig Torso with Leather Jacket and Light Gray Shirt Pattern C:\ldraw\parts\973pa9.dat
Minifig Torso with Red & Gray Shirt, Pot Belly, Jacket Pattern C:\ldraw\parts\973paf.dat
Motor Pull Back 4 x 9 x 2.333 Type 2 with Dark Gray Base C:\ldraw\parts\u9062c02.dat
Panel 2 x 5 x 6 Wall with Dark Gray Scattered Stones Pattern C:\ldraw\parts\4444p02.dat
Panel 2 x 5 x 6 Wall with Dark Gray Stones Pattern C:\ldraw\parts\4444p01.dat
Panel 2 x 5 x 6 Wall with Light Gray Scattered Stones Pattern C:\ldraw\parts\4444p05.dat
Panel 2 x 5 x 6 Wall with Light Gray Window Stones Pattern C:\ldraw\parts\4444p04.dat
Plate 1 x 2 with Tooth and Flexible LightBluishGrey Tip C:\ldraw\parts\61406p02.dat
Slope Brick 45 2 x 3 x 1 & 1/3 Double with Light Gray Hook C:\ldraw\parts\3135c02.dat
Vehicle Base 10 x 4 with Two Wheels Light Gray C:\ldraw\parts\4613c01.dat
List generated on 2014-01-05 by LDFind Version 1.3.5.0.
Maybe also those with color instead of colour:
Selection from LDFind
Show only part type qualifier: All
Hide unofficial parts........: False
Hide official parts..........: False
Hide ~parts..................: False
Hide _parts..................: False
Hide =parts..................: False
Hide parts...................: False
Hide subparts................: False
Hide primitives..............: False
gives the following (15) results:
~Electric Mindstorms EV3 Color Sensor / Color Lamp RGB LED C:\ldraw\parts\11013.dat
~Electric Mindstorms EV3 Color Sensor / Lamp Phototransistor C:\ldraw\parts\99396.dat
~Electric Mindstorms EV3 Color Sensor Front Shell C:\ldraw\parts\99388.dat
~Electric Mindstorms EV3 Color Sensor Opto Support C:\ldraw\parts\11014.dat
~Electric Mindstorms EV3 Color Sensor Opto Support without Edge C:\ldraw\parts\s\11014s01.dat
~Electric Mindstorms EV3 Color Sensor Opto Support, Red Edge C:\ldraw\parts\11014p01.dat
~Electric Mindstorms EV3 IR-Beacon Case Top Color Mark C:\ldraw\parts\s\76607s02.dat
~Electric Mindstorms EV3 IR-Beacon Case Top, Color Marks Pattern C:\ldraw\parts\76607p01.dat
~Electric Mindstorms NXT Color Sensor / Color Lamp RGB LED C:\ldraw\parts\64897.dat
~Electric Mindstorms NXT Color Sensor / Color Lamp Shell Front C:\ldraw\parts\64893.dat
~Electric Mindstorms NXT Color Sensor / Lamp Phototransistor C:\ldraw\parts\64898.dat
~Electric Mindstorms NXT Color Sensor Shell Front C:\ldraw\parts\u9110.dat
~Electric Mindstorms NXT Color Sensor Shell Front Black Dishes C:\ldraw\parts\s\64893s01.dat
~Minifig Torso with SW Scout Trooper - Dithered Color C:\ldraw\parts\s\973pse1.dat
Electric Mindstorms EV3 Color Sensor C:\ldraw\parts\95650.dat
List generated on 2014-01-05 by LDFind Version 1.3.5.0.