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diff --git a/vendor/leafo/lessphp/tests/inputs/math.less b/vendor/leafo/lessphp/tests/inputs/math.less
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+
+.unary {
+	// all operators are parsable as unary operators, anything
+	// but - throws an error right now though,
+
+	// this gives two numbers
+	sub: 10 -5;
+	// add: 10 +5; // error
+	// div: 10 /5; // error
+	// mul: 10 *5; // error
+}
+
+.spaces {
+	// we can make the parser do math by leaving out the
+	// space after the first value, or putting spaces on both sides
+
+	sub1: 10-5;
+	sub2: 10 - 5;
+
+	add1: 10+5;
+	add2: 10 + 5;
+
+	// div: 10/5; // this wont work, read on
+	div: 10 / 5;
+
+	mul1: 10*5;
+	mul2: 10 * 5;
+}
+
+// these properties have divison not in parenthases
+.supress-division {
+	border-radius: 10px / 10px;
+	border-radius: 10px/12px;
+	border-radius: hello (10px/10px) world;
+	@x: 10px;
+	font: @x/30 sans-serif;
+	font: 10px / 20px sans-serif;
+	font: 10px/22px sans-serif;
+	border-radius:0 15px 15px 15px / 0 50% 50% 50%;
+}
+
+
+.parens {
+	// if you are unsure, then just wrap the expression in parentheses and it will
+	// always evaluate.
+
+	// notice we no longer have unary operators, and these will evaluate
+	sub: (10 -5);
+	add: (10 +5);
+	div1: (10 /5);
+	div2: (10/5); // no longer interpreted as the shorthand
+	mul: (10 *5);
+}
+
+.keyword-names {
+	// watch out when doing math with keywords, - is a valid keyword character
+	@a: 100;
+	@b: 25;
+	@a-: "hello";
+	height: @a-@b; // here we get "hello" 25, not 75
+}
+
+
+.negation {
+	neg1: -(1px);
+	neg2: 0-(1px);
+
+	@something: 10;
+	neg3: -@something;
+}
+
+
+// and now here are the tests
+
+.test {
+	single1: (5);
+	single2: 5+(5);
+	single3: (5)+((5));
+
+	parens: (5 +(5)) -2;
+	// parens: ((5 +(5)) -2); // FAILS - fixme
+
+	math1: (5 + 5)*(2 / 1);
+	math2: (5+5)*(2/1);
+
+	complex1: 2 * (4 * (2 + (1 + 6))) - 1;
+	complex2: ((2+3)*(2+3) / (9-4)) + 1;
+	complex3: (2px + 4px) 1em 2px 2;
+
+	@var: (2 * 2);
+	var1: (2 * @var) 4 4 (@var * 1px);
+	var2: (@var * @var) * 6;
+	var3: 4 * (5 + 5) / 2 - (@var * 2);
+
+	complex4: (7 * 7) + (8 * 8);
+}
+
+.percents {
+	p1: 100 * 10%;
+	p2: 10% * 100;
+	p3: 10% * 10%;
+
+	p4: 100px * 10%; // lessjs makes this px
+	p5: 10% * 100px; // lessjs makes this %
+
+	p6: 20% + 10%;
+	p7: 20% - 10%;
+
+	p8: 20% / 10%;
+}
+
+.misc {
+	x: 10px * 4em;
+	y: 10 * 4em;
+}
+
+
+.cond {
+	c1: 10 < 10;
+	c2: 10 >= 10;
+}
+