HELP: xyYa
{ $class-description "The class of CIE xyY colors with an alpha channel." } ;
-ARTICLE: "colors.xyy" "xyY colors"
+ARTICLE: "colors.xyy" "CIE xyY colors"
"The " { $vocab-link "colors.xyy" } " vocabulary implements CIE xyY colors, together with an alpha channel."
{ $subsections
xyYa
HELP: xyza
{ $class-description "The class of CIE XYZ colors with an alpha channel." } ;
-ARTICLE: "colors.xyz" "XYZ colors"
+ARTICLE: "colors.xyz" "CIE XYZ colors"
"The " { $vocab-link "colors.xyz" } " vocabulary implements CIE XYZ colors, together with an alpha channel."
{ $subsections
xyza