diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c0f4093..fc8620d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+v0.5.81
+* Bug fixes
+
 v0.5.80
 * Added arrows, stars and polygons to undocumented -symbols command.
 
diff --git a/package-lock.json b/package-lock.json
index 776606a5..58b650dd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "mapshaper",
-	"version": "0.5.80",
+	"version": "0.5.81",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
diff --git a/package.json b/package.json
index 3ba17edf..b9a58a24 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "mapshaper",
-	"version": "0.5.80",
+	"version": "0.5.81",
 	"description": "A tool for editing vector datasets for mapping and GIS.",
 	"keywords": [
 		"shapefile",
diff --git a/src/cli/mapshaper-option-parsing-utils.js b/src/cli/mapshaper-option-parsing-utils.js
index 5c4c542c..80f22237 100644
--- a/src/cli/mapshaper-option-parsing-utils.js
+++ b/src/cli/mapshaper-option-parsing-utils.js
@@ -49,9 +49,9 @@ export function cleanArgv(argv) {
   // Updated: don't trim space from tokens like [delimeter= ]
   argv = argv.map(function(s) {
     if (!/= $/.test(s)) {
-      s = s.trimEnd();
+      s = utils.rtrim(s);
     }
-    s = s.trimStart();
+    s = utils.ltrim(s);
     return s;
   });
   argv = argv.filter(function(s) {return s !== '';}); // remove empty tokens
diff --git a/src/gui/gui-symbol-dragging2.js b/src/gui/gui-symbol-dragging2.js
index 4d4f6715..b69efd02 100644
--- a/src/gui/gui-symbol-dragging2.js
+++ b/src/gui/gui-symbol-dragging2.js
@@ -252,7 +252,6 @@ export function SymbolDragging2(gui, ext, hit) {
       return parent.querySelector(sel);
     }
 
-
     function getTextTarget3(e) {
       if (e.id > -1 === false || !e.container) return null;
       return getSymbolNodeById(e.id, e.container);