Fixed issue with trailing newlines in macrodefs (#7371)

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

@@ -58,7 +58,7 @@ exports.parse = function() {
 	var reEnd;
 	if(this.match[3]) {
 		// If so, the end of the body is marked with \end
-		reEnd = new RegExp("(\\r?\\n\\s*\\\\end[^\\S\\n\\r]*(?:" + $tw.utils.escapeRegExp(this.match[1]) + ")?(?:$|\\r?\\n))","mg");
+		reEnd = new RegExp("(\\r?\\n[^\\S\\n\\r]*\\\\end[^\\S\\n\\r]*(?:" + $tw.utils.escapeRegExp(this.match[1]) + ")?(?:$|\\r?\\n))","mg");
 	} else {
 		// Otherwise, the end of the definition is marked by the end of the line
 		reEnd = /($|\r?\n)/mg;

editions/test/tiddlers/tests/data/macros/TrailingNewlines.tid

@@ -0,0 +1,22 @@
+title: Macros/TrailingNewlines
+description: Trailing newlines in macros must not be dropped
+type: text/vnd.tiddlywiki-multiple
+tags: [[$:/tags/wiki-test-spec]]
+
+title: Output
+
+\define inner()
+Paragraph 1
+
+Paragraph 2
+\end
+\define outer()
+<$macrocall $name=inner />
+
+\end
+<<outer>>
+
++
+title: ExpectedResult
+
+<p>Paragraph 1</p><p>Paragraph 2</p>