Added detection for Scilab language

test/fixtures/scilab_function.sci

@@ -0,0 +1,14 @@
+// A comment with whites    and tabulations
+// Email: <scilab.support@scilab.org>
+// Scilab editor: http://www.scilab.org/
+function [a, b] = myfunction(d, e, f)
+	a = 2.71828 + %pi + f($, :);
+	b = cos(a) + cosh(a);
+	if d == e then
+		b = 10 - e.field;
+	else
+		b = "		test     " + home
+		return
+	end
+	myvar = 1.23e-45;
+endfunction