fix: table space and horizrule block new line

core/modules/parsers/wikiparser/rules/codeblock.js

@@ -58,7 +58,7 @@ exports.parse = function() {
 };
 
 exports.serialize = function(tree,serialize) {
-	return "\n```" + tree.attributes.language.value + "\n" + tree.attributes.code.value + "\n```\n";
+	return "```" + tree.attributes.language.value + "\n" + tree.attributes.code.value + "\n```\n\n";
 }
 
 })();

core/modules/parsers/wikiparser/rules/horizrule.js

@@ -32,7 +32,7 @@ exports.parse = function() {
 };
 
 exports.serialize = function(tree,serialize) {
-	return "---\n";
+	return "---\n\n";
 }
 
 })();

core/modules/parsers/wikiparser/rules/table.js

@@ -205,17 +205,17 @@ exports.serialize = function(tree, serialize) {
 				if(cell.tag === "th") {
 					serialized += "!";
 				}
-				// Serialize the cell content
+				// Cell content
 				serialized += serialize(cell.children);
-				// End the cell with a tailing space
-				serialized += " |";
+				// End the cell
+				serialized += "|";
 			}
 			// End the row
 			serialized += "\n";
 		}
 	}
-	// Return the complete serialized string
-	return serialized;
+	// Return the completed block
+	return serialized + "\n";
 };
 
 })();

editions/test/tiddlers/tests/data/serialize/CodeBlock.tid

@@ -9,4 +9,9 @@ Simple `JS` and complex
 ```js
 var match = reEnd.exec(this.parser.source)
 ```
+
+```tid
+<$list filter="[tag[ExampleTag]sort[title]]"/>
+```
+
 end

editions/test/tiddlers/tests/data/serialize/Table.tid

@@ -2,7 +2,10 @@ tags: $:/tags/wikitext-serialize-test-spec
 title: Serialize/Table
 type: text/vnd.tiddlywiki
 
-|! |!Alpha |!Beta |!Gamma |!Delta |
-|!One | | | | |
-|!Two | | | | |
-|!Three | | | | |
+|!|!Alpha|!Beta|!Gamma|!Delta|
+|!One|||||
+|!Two|||||
+|!Three|||||
+
+|cell one|cell two|
+|cell three|cell four|