avoid string manipulation bugs by not minifying combinators if cascade: true (#743)

src/css/Stylesheet.ts

@@ -39,7 +39,7 @@ class Rule {
 					code.overwrite(c, selector.node.start, separator);
 				}
 
-				selector.minify(code);
+				if (!cascade) selector.minify(code);
 				c = selector.node.end;
 			}
 		});

test/css/samples/combinator-child/_config.js

@@ -0,0 +1,3 @@
+export default {
+	cascade: false
+};

test/css/samples/combinator-child/expected.css

@@ -0,0 +1 @@
+.test[svelte-xyz]>div[svelte-xyz]{color:#0af}

test/css/samples/combinator-child/expected.html

@@ -0,0 +1 @@
+<div svelte-xyz="" class="test"><div svelte-xyz="">Testing...</div></div>

test/css/samples/combinator-child/input.html

@@ -0,0 +1,11 @@
+<div class="test">
+	<div>
+		Testing...
+	</div>
+</div>
+
+<style>
+	.test > div {
+		color: #0af;
+	}
+</style>