diff --git a/core/modules/parsers/wikiparser/rules/emphasis/bold.js b/core/modules/parsers/wikiparser/rules/emphasis/bold.js
index 127b84579..3799feeb5 100644
--- a/core/modules/parsers/wikiparser/rules/emphasis/bold.js
+++ b/core/modules/parsers/wikiparser/rules/emphasis/bold.js
@@ -36,10 +36,10 @@ exports.parse = function() {
 	// Move past the match
 	this.parser.pos = this.matchRegExp.lastIndex;
 
-    // Parse the run including the terminator
+	// Parse the run including the terminator
 	var tree = this.parser.parseInlineRun(/''/mg,{eatTerminator: true});
 
-    // Return the classed span
+	// Return the classed span
 	return [{
 		type: "element",
 		tag: "strong",
diff --git a/core/modules/parsers/wikiparser/rules/emphasis/italic.js b/core/modules/parsers/wikiparser/rules/emphasis/italic.js
index 20fccd342..3e0744c4d 100644
--- a/core/modules/parsers/wikiparser/rules/emphasis/italic.js
+++ b/core/modules/parsers/wikiparser/rules/emphasis/italic.js
@@ -36,10 +36,10 @@ exports.parse = function() {
 	// Move past the match
 	this.parser.pos = this.matchRegExp.lastIndex;
 
-    // Parse the run including the terminator
+	// Parse the run including the terminator
 	var tree = this.parser.parseInlineRun(/\/\//mg,{eatTerminator: true});
 
-    // Return the classed span
+	// Return the classed span
 	return [{
 		type: "element",
 		tag: "em",
diff --git a/core/modules/parsers/wikiparser/rules/emphasis/stricethrough.js b/core/modules/parsers/wikiparser/rules/emphasis/stricethrough.js
index 7b272bd0c..af722b140 100644
--- a/core/modules/parsers/wikiparser/rules/emphasis/stricethrough.js
+++ b/core/modules/parsers/wikiparser/rules/emphasis/stricethrough.js
@@ -39,7 +39,7 @@ exports.parse = function() {
     // Parse the run including the terminator
 	var tree = this.parser.parseInlineRun(/~~/mg,{eatTerminator: true});
 
-    // Return the classed span
+	// Return the classed span
 	return [{
 		type: "element",
 		tag: "strike",
diff --git a/core/modules/parsers/wikiparser/rules/emphasis/subscript.js b/core/modules/parsers/wikiparser/rules/emphasis/subscript.js
index c4f57bd4b..12be0fbbc 100644
--- a/core/modules/parsers/wikiparser/rules/emphasis/subscript.js
+++ b/core/modules/parsers/wikiparser/rules/emphasis/subscript.js
@@ -36,10 +36,10 @@ exports.parse = function() {
 	// Move past the match
 	this.parser.pos = this.matchRegExp.lastIndex;
 
-    // Parse the run including the terminator
+	// Parse the run including the terminator
 	var tree = this.parser.parseInlineRun(/,,/mg,{eatTerminator: true});
 
-    // Return the classed span
+	// Return the classed span
 	return [{
 		type: "element",
 		tag: "sub",
diff --git a/core/modules/parsers/wikiparser/rules/emphasis/superscript.js b/core/modules/parsers/wikiparser/rules/emphasis/superscript.js
index 09a1e8ed1..5a5330d8c 100644
--- a/core/modules/parsers/wikiparser/rules/emphasis/superscript.js
+++ b/core/modules/parsers/wikiparser/rules/emphasis/superscript.js
@@ -36,10 +36,10 @@ exports.parse = function() {
 	// Move past the match
 	this.parser.pos = this.matchRegExp.lastIndex;
 
-    // Parse the run including the terminator
+	// Parse the run including the terminator
 	var tree = this.parser.parseInlineRun(/\^\^/mg,{eatTerminator: true});
 
-    // Return the classed span
+	// Return the classed span
 	return [{
 		type: "element",
 		tag: "sup",
diff --git a/core/modules/parsers/wikiparser/rules/emphasis/underscore.js b/core/modules/parsers/wikiparser/rules/emphasis/underscore.js
index 529c6524b..d36bd242d 100644
--- a/core/modules/parsers/wikiparser/rules/emphasis/underscore.js
+++ b/core/modules/parsers/wikiparser/rules/emphasis/underscore.js
@@ -36,10 +36,10 @@ exports.parse = function() {
 	// Move past the match
 	this.parser.pos = this.matchRegExp.lastIndex;
 
-    // Parse the run including the terminator
+	// Parse the run including the terminator
 	var tree = this.parser.parseInlineRun(/__/mg,{eatTerminator: true});
 
-    // Return the classed span
+	// Return the classed span
 	return [{
 		type: "element",
 		tag: "u",