tasks a-s

Task/Optional-parameters/AppleScript/optional-parameters-1.applescript

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+on sortTable(x)
+	set {sortOrdering, sortColumn, sortReverse} to {sort_lexicographic, 1, false}
+	try
+		set sortOrdering to x's ordering
+	end try
+	try
+		set sortColumn to x's column
+	end try
+	try
+		set sortReverse to x's reverse
+	end try
+	return sortOrdering's sort(x's sequence, sortColumn, sortReverse)
+end sortTable
+
+script sort_lexicographic
+	on sort(table, column, reverse)
+		-- Implement lexicographic Sorting process here.
+		return table
+	end sort
+end script