 								(\\{\\s*\\()   (?# 28: punctuation.definition.arguments.begin.apl)
 								(?:
 									\\s*
-									[A-Z¯_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ]
-									[A-Z¯_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ0-9]*
+									[A-Z_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ]
+									[A-Z_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ¯0-9]*
 									\\s*
 								)*
 								(\\)\\s*\\})   (?# 29: punctuation.definition.arguments.end.apl)

								(\\{)          (?# 24: punctuation.definition.arguments.begin.apl)
								(?:
									\\s*
									[A-Z¯_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ]
									[A-Z¯_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ0-9]*
									\\s*
								)*
								(\\})          (?# 25: punctuation.definition.arguments.end.apl)

						(?# 19: entity.function.arguments.right.apl)
						(
							(?<=\\s|\\])
							[A-Z_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ]
							[A-Z_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ¯0-9]*
							|
							(\\()   (?# 20: punctuation.definition.arguments.begin.apl)
							(?:
								\\s*
								[A-Z_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ]
								[A-Z_a-zÀ-ÖØ-Ýßà-öø-üþ∆⍙Ⓐ-Ⓩ¯0-9]*
								\\s*
							)*
							(\\))   (?# 21: punctuation.definition.arguments.end.apl)
