Empty quotes are skipped in UBBParser

Common/BBCodes/Quote.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using FLocal.Core;
 using PJonDevelopment.BBCode;
 
 namespace FLocal.Common.BBCodes {
@@ -12,9 +13,11 @@ namespace FLocal.Common.BBCodes {
 		}
 
 		public override string Format(ITextFormatter formatter) {
+			string inner = this.GetInnerHTML(formatter).TrimHtml();
+			if(inner == "") return "";
 			string marker = this.Default;
 			if(marker == null) marker = "Quote:";
-			return "<br/><blockquote><font class=\"small\">" + marker + "</font><hr/>" + this.GetInnerHTML(formatter).Trim() + "<br/><hr/></blockquote><br/>";
+			return "<br/><blockquote><font class=\"small\">" + marker + "</font><hr/>" + inner + "<br/><hr/></blockquote><br/>";
 		}
 
 	}

Core/extensions/String.cs

@@ -49,5 +49,23 @@ namespace FLocal.Core {
             return str.ToLower().Contains(from needle in needles select needle.ToLower());
         }
 
+		private static readonly string[] TrimHtml_EmptyFragments = new string[] {
+			"<br/>",
+			"<br />",
+			"&nbsp;",
+		};
+		public static string TrimHtml(this string str) {
+			string result = str.Trim();
+			foreach(var fragment in TrimHtml_EmptyFragments) {
+				if(result.StartsWith(fragment)) {
+					return result.Substring(fragment.Length).TrimHtml();
+				}
+				if(result.EndsWith(fragment)) {
+					return result.Substring(0, result.Length-fragment.Length).TrimHtml();
+				}
+			}
+			return result;
+		}
+
     }
 }