Quoting another reply won't satisfy the minimum character count (fixes #180)

spec/javascripts/models/composer_spec.js

@@ -0,0 +1,27 @@
+describe("Discourse.Composer", function() {
+
+  describe("replyLength", function() {
+
+    it("returns the length of a basic reply", function() {
+      var composer = Discourse.Composer.create({ reply: "basic reply" });
+      expect(composer.get('replyLength')).toBe(11);
+    });
+
+    it("trims whitespaces", function() {
+      var composer = Discourse.Composer.create({ reply: "\nbasic reply\t" });
+      expect(composer.get('replyLength')).toBe(11);
+    });
+
+    it("removes quotes", function() {
+      var composer = Discourse.Composer.create({ reply: "1[quote=]not counted[/quote]2[quote=]at all[/quote]3" });
+      expect(composer.get('replyLength')).toBe(3);
+    });
+
+    it("handles nested quotes correctly", function() {
+      var composer = Discourse.Composer.create({ reply: "1[quote=]not[quote=]counted[/quote]yay[/quote]2" });
+      expect(composer.get('replyLength')).toBe(2);
+    });
+
+  });
+
+});