diff --git a/core/modules/utils/twuri-encoding.js b/core/modules/utils/twuri-encoding.js
new file mode 100644
index 000000000..f4a5bd947
--- /dev/null
+++ b/core/modules/utils/twuri-encoding.js
@@ -0,0 +1,128 @@
+/*\
+title: $:/core/modules/utils/twuri-encoding.js
+type: application/javascript
+module-type: utils
+
+Utility functions related to permalink/permaview encoding/decoding.
+
+\*/
+(function(){
+
+	// The character that will substitute for a space in the URL
+	var SPACE_SUBSTITUTE = "_";
+
+	// The character added to the end to avoid ending with `.`, `?`, `!` or the like
+	var TRAILER = "_";
+
+	// The character that will separate out the list elements in the URL
+	var CONJUNCTION = ";";
+
+	// Those of the allowed url characters claimed by TW
+	var CLAIMED = [SPACE_SUBSTITUTE, ":", CONJUNCTION];
+
+	// Non-alphanumeric characters allowed in a URL fragment
+	// More information at https://www.rfc-editor.org/rfc/rfc3986#appendix-A
+	var VALID_IN_URL_FRAGMENT = "-._~!$&'()*+,;=:@/?".split("");
+
+	// The subset of the pchars we will not percent-encode in permalinks/permaviews
+	var SUBSTITUTES = []
+	$tw.utils.each(VALID_IN_URL_FRAGMENT, function(c) {
+		if (CLAIMED.indexOf(c) === -1) {
+			SUBSTITUTES.push(c)
+		}
+	});
+
+	// A regex to match the percent-encoded characters we will want to replace.
+	// Something similar to the following, depending on SPACE and CONJUNCTION
+	//     /(%2D|%2E|%7E|%21|%24|%26|%27|%28|%29|%2A|%2B|%3B|%3D|%40|%2F|%3F)/g
+
+	var CHAR_MATCH_STR = []
+	$tw.utils.each(SUBSTITUTES, function(c) {
+		CHAR_MATCH_STR.push("%" + c.charCodeAt(0).toString(16).toUpperCase())
+	})
+	var CHAR_MATCH = new RegExp("(" + CHAR_MATCH_STR.join("|") + ")", "g");
+
+	// A regex to match the SPACE_SUBSTITUTE character
+	var SPACE_MATCH = new RegExp("(\\" + SPACE_SUBSTITUTE + ")", "g");
+
+	// A regex to match URLs ending with sentence-ending punctuation
+	var SENTENCE_ENDING = new RegExp("(\\.|\\!|\\?|\\" + TRAILER + ")$", "g");
+
+	// A regex to match URLs ending with sentence-ending punctuation plus the TRAILER
+	var SENTENCE_TRAILING = new RegExp("(\\.|\\!|\\?|\\" + TRAILER + ")\\" + TRAILER + "$", "g");
+
+	// An object mapping the percent encodings back to their source characters
+	var PCT_CHAR_MAP = SUBSTITUTES.reduce(function (a, c) {
+		a["%" + c.charCodeAt(0).toString(16).toUpperCase()] = c
+		return a
+	}, {});
+
+	// Convert a URI List Component encoded string (with the `SPACE_SUBSTITUTE`
+	// value as an allowed replacement for the space character) to a string
+	exports.decodeTWURIList = function(s) {
+		var parts = s.replace(SENTENCE_TRAILING, "$1").split(CONJUNCTION);
+		var withSpaces = []
+		$tw.utils.each(parts, function(s) {
+			withSpaces.push(s.replace(SPACE_MATCH, " "))
+		});
+		var withBrackets  = []
+		$tw.utils.each(withSpaces, function(s) {
+			withBrackets .push(s.indexOf(" ") >= 0 ? "[[" + s + "]]" : s)
+		});
+		return $tw.utils.decodeURIComponentSafe(withBrackets.join(" "));
+	};
+
+	// Convert a URI Target Component encoded string (with the `SPACE_SUBSTITUTE` 
+	// value as an allowed replacement for the space character) to a string
+	exports.decodeTWURITarget = function(s) {
+		return $tw.utils.decodeURIComponentSafe(
+			s.replace(SENTENCE_TRAILING, "$1").replace(SPACE_MATCH, " ")
+		)
+	};
+
+	// Convert a URIComponent encoded title string (with the `SPACE_SUBSTITUTE`
+	// value as an allowed replacement for the space character) to a string
+	exports.encodeTiddlerTitle = function(s) {
+		var extended = s.replace(SENTENCE_ENDING, "$1" + TRAILER)
+		var encoded = encodeURIComponent(extended);
+		var substituted = encoded.replace(/\%20/g, SPACE_SUBSTITUTE);
+		return substituted.replace(CHAR_MATCH, function(_, c) {
+			return PCT_CHAR_MAP[c];
+		});
+	};
+
+	// Convert a URIComponent encoded filter string (with the `SPACE_SUBSTITUTE`
+	// value as an allowed replacement for the space character) to a string
+	exports.encodeFilterPath = function(s) {
+		var parts = s.replace(SENTENCE_ENDING, "$1" + TRAILER)
+			.replace(/\[\[(.+?)\]\]/g, function (_, t) {return t.replace(/ /g, SPACE_SUBSTITUTE )})
+			.split(" ");
+		var nonEmptyParts = []
+		$tw.utils.each(parts, function(p) {
+			if (p) {
+				nonEmptyParts.push (p)
+			}
+		});
+		var trimmed = [];
+		$tw.utils.each(nonEmptyParts, function(s) {
+			trimmed.push(s.trim())
+		});
+		var encoded = [];
+		$tw.utils.each(trimmed, function(s) {
+			encoded.push(encodeURIComponent(s))
+		});
+		var substituted = [];
+		$tw.utils.each(encoded, function(s) {
+			substituted.push(s.replace(/\%20/g, SPACE_SUBSTITUTE))
+		});
+		var replaced = []
+		$tw.utils.each(substituted, function(s) {
+			replaced.push(s.replace(CHAR_MATCH, function(_, c) {
+				return PCT_CHAR_MAP[c];
+			}))
+		});
+		return replaced.join(CONJUNCTION);
+	};
+	
+})();
+	
\ No newline at end of file
diff --git a/core/modules/utils/utils.js b/core/modules/utils/utils.js
index 0beb54e1f..aaf83ae74 100644
--- a/core/modules/utils/utils.js
+++ b/core/modules/utils/utils.js
@@ -1005,120 +1005,4 @@ exports.makeCompareFunction = function(type,options) {
 	return (types[type] || types[options.defaultType] || types.number);
 };
 
-// The character that will substitute for a space in the URL
-var SPACE_SUBSTITUTE = "_";
-
-// The character added to the end to avoid ending with `.`, `?`, `!` or the like
-var TRAILER = "_";
-
-// The character that will separate out the list elements in the URL
-var CONJUNCTION = ";";
-
-// Those of the allowed url characters claimed by TW
-var CLAIMED = [SPACE_SUBSTITUTE, ":", CONJUNCTION];
-
-// Non-alphanumeric characters allowed in a URL fragment
-// More information at https://www.rfc-editor.org/rfc/rfc3986#appendix-A
-var VALID_IN_URL_FRAGMENT = "-._~!$&'()*+,;=:@/?".split("");
-
-// The subset of the pchars we will not percent-encode in permalinks/permaviews
-var SUBSTITUTES = []
-$tw.utils.each(VALID_IN_URL_FRAGMENT, function(c) {
-	if (CLAIMED.indexOf(c) === -1) {
-		SUBSTITUTES.push(c)
-	}
-});
-
-// A regex to match the percent-encoded characters we will want to replace.
-// Something similar to the following, depending on SPACE and CONJUNCTION
-//     /(%2D|%2E|%7E|%21|%24|%26|%27|%28|%29|%2A|%2B|%3B|%3D|%40|%2F|%3F)/g
-
-var CHAR_MATCH_STR = []
-$tw.utils.each(SUBSTITUTES, function(c) {
-	CHAR_MATCH_STR.push("%" + c.charCodeAt(0).toString(16).toUpperCase())
-})
-var CHAR_MATCH = new RegExp("(" + CHAR_MATCH_STR.join("|") + ")", "g");
-
-// A regex to match the SPACE_SUBSTITUTE character
-var SPACE_MATCH = new RegExp("(\\" + SPACE_SUBSTITUTE + ")", "g");
-
-// A regex to match URLs ending with sentence-ending punctuation
-var SENTENCE_ENDING = new RegExp("(\\.|\\!|\\?|\\" + TRAILER + ")$", "g");
-
-// A regex to match URLs ending with sentence-ending punctuation plus the TRAILER
-var SENTENCE_TRAILING = new RegExp("(\\.|\\!|\\?|\\" + TRAILER + ")\\" + TRAILER + "$", "g");
-
-// An object mapping the percent encodings back to their source characters
-var PCT_CHAR_MAP = SUBSTITUTES.reduce(function (a, c) {
-	a["%" + c.charCodeAt(0).toString(16).toUpperCase()] = c
-	return a
-}, {});
-
-// Convert a URI List Component encoded string (with the `SPACE_SUBSTITUTE`
-// value as an allowed replacement for the space character) to a string
-exports.decodeTWURIList = function(s) {
-	var parts = s.replace(SENTENCE_TRAILING, "$1").split(CONJUNCTION);
-	var withSpaces = []
-	$tw.utils.each(parts, function(s) {
-		withSpaces.push(s.replace(SPACE_MATCH, " "))
-	});
-	var withBrackets  = []
-	$tw.utils.each(withSpaces, function(s) {
-		withBrackets .push(s.indexOf(" ") >= 0 ? "[[" + s + "]]" : s)
-	});
-	return $tw.utils.decodeURIComponentSafe(withBrackets.join(" "));
-};
-
-// Convert a URI Target Component encoded string (with the `SPACE_SUBSTITUTE` 
-// value as an allowed replacement for the space character) to a string
-exports.decodeTWURITarget = function(s) {
-	return $tw.utils.decodeURIComponentSafe(
-		s.replace(SENTENCE_TRAILING, "$1").replace(SPACE_MATCH, " ")
-    )
-};
-
-// Convert a URIComponent encoded title string (with the `SPACE_SUBSTITUTE`
-// value as an allowed replacement for the space character) to a string
-exports.encodeTiddlerTitle = function(s) {
-	var extended = s.replace(SENTENCE_ENDING, "$1" + TRAILER)
-	var encoded = encodeURIComponent(extended);
-	var substituted = encoded.replace(/\%20/g, SPACE_SUBSTITUTE);
-	return substituted.replace(CHAR_MATCH, function(_, c) {
-		return PCT_CHAR_MAP[c];
-	});
-};
-
-// Convert a URIComponent encoded filter string (with the `SPACE_SUBSTITUTE`
-// value as an allowed replacement for the space character) to a string
-exports.encodeFilterPath = function(s) {
-	var parts = s.replace(SENTENCE_ENDING, "$1" + TRAILER)
-		.replace(/\[\[(.+?)\]\]/g, function (_, t) {return t.replace(/ /g, SPACE_SUBSTITUTE )})
-		.split(" ");
-	var nonEmptyParts = []
-	$tw.utils.each(parts, function(p) {
-		if (p) {
-			nonEmptyParts.push (p)
-		}
-	});
-	var trimmed = [];
-	$tw.utils.each(nonEmptyParts, function(s) {
-		trimmed.push(s.trim())
-	});
-	var encoded = [];
-	$tw.utils.each(trimmed, function(s) {
-		encoded.push(encodeURIComponent(s))
-	});
-	var substituted = [];
-	$tw.utils.each(encoded, function(s) {
-		substituted.push(s.replace(/\%20/g, SPACE_SUBSTITUTE))
-	});
-	var replaced = []
-	$tw.utils.each(substituted, function(s) {
-		replaced.push(s.replace(CHAR_MATCH, function(_, c) {
-			return PCT_CHAR_MAP[c];
-		}))
-	});
-	return replaced.join(CONJUNCTION);
-};
-
 })();