diff --git a/content/frame.js b/content/frame.js
index 1d794ae..5957e7a 100644
--- a/content/frame.js
+++ b/content/frame.js
@@ -767,7 +767,7 @@ addEventListener("keydown", function (evt) {
 }, true);
 
 addEventListener("keypress", function (evt) {
-	//dump("AVIM.onKeyPress -- code: " + String.fromCharCode(evt.which) + " #" + evt.which +
+	//dump("AVIM.onKeyPress -- isChrome: " + isChrome + "; code: " + String.fromCharCode(evt.which) + " #" + evt.which +
 	//	 "; target: " + evt.target.nodeName + "." + evt.target.className + "#" + evt.target.id +
 	//	 "; originalTarget: " + evt.originalTarget.nodeName + "." + evt.originalTarget.className + "#" + evt.originalTarget.id + "\n");			// debug
 	if (evt.ctrlKey || evt.metaKey || evt.altKey || checkCode(evt)) return;
@@ -786,7 +786,7 @@ addEventListener("keypress", function (evt) {
 	let scintilla = koView && koView.scintilla;
 	if (scintilla && scintilla.inputField &&
 		origTarget == scintilla.inputField.inputField) {
-		handleSciMoz(e);
+		handleSciMoz(evt);
 		return;
 	}
 	
diff --git a/content/kix.js b/content/kix.js
index 84ff855..eb57f4f 100644
--- a/content/kix.js
+++ b/content/kix.js
@@ -29,9 +29,6 @@ function Transferable(win) {
  * Proxy for a Google Kix editor to pose as an ordinary HTML <textarea>.
  * 
  * @param evt		{object}	The keyPress event.
- * @param helpers	{object}	An object containing functions required by this
- * 								subscript, to wit: applyKey() and
- * 								lastWordInString().
  */
 function KixProxy(evt) {
 	if (evt.keyCode == evt.DOM_VK_BACK_SPACE && !evt.shiftKey) {
diff --git a/content/sciMoz.js b/content/sciMoz.js
index b4d9861..b4050cc 100644
--- a/content/sciMoz.js
+++ b/content/sciMoz.js
@@ -67,9 +67,6 @@ function getLine(scintilla, selId, lineNum) {
  * Proxy for a SciMoz plugin object posing as an ordinary HTML <input> element.
  *
  * @param elt		{object}	The <xul:scintilla> tag.
- * @param helpers	{object}	An object containing functions required by this
- * 								subscript, to wit: applyKey() and
- * 								lastWordInString().
  * @param selId		{number}	The selection range number. By default, this
  * 								parameter is 0 (for the main selection).
  * @param lineNum	{number}	The line number of a line within a rectangular
@@ -188,15 +185,17 @@ function SciMozProxy(elt, selId, lineNum) {
 }
 
 context.lazyHandlers.sciMoz = function (evt) {
-	let elt = ko.views.manager.currentView.scimoz || evt.originalTarget;
+	let win = evt.originalTarget.ownerDocument.defaultView;
+	let elt = win.ko.views.manager.currentView.scimoz || evt.originalTarget;
 //	dump("AVIM.handleSciMoz -- target: " + elt + "; type: " + elt.type + "; code: " + evt.which + "\n");	// debug
 //	dump("xul:scintilla:\n" + [prop for (prop in elt)] + "\n");					// debug
 //	elt.setSelectionNStart(0, 8);												// debug
 //	dump(">>> scimoz.getSelectionNStart: " + elt.selections ? elt.getSelectionNStart(0) : "" + "\n");					// debug
 	
 	let anyChanged = false;
-	elt.beginUndoAction();
 	try {
+		elt.beginUndoAction();
+		
 		// Fake a native textbox and keypress event for each selection.
 		let firstSel = 0;
 		let numSel = elt.selections;
@@ -220,7 +219,7 @@ context.lazyHandlers.sciMoz = function (evt) {
 			else proxy = new SciMozProxy(elt, i);
 			if (!proxy) continue;
 			
-			let result = proxy.value && helpers.applyKey(proxy.value, evt);
+			let result = proxy.value && context.applyKey(proxy.value, evt);
 			
 			if (result) {
 				if (result.value) proxy.value = result.value;
@@ -232,6 +231,8 @@ context.lazyHandlers.sciMoz = function (evt) {
 	}
 	catch (exc) {
 // $if{Debug}
+		dump(">>> AVIM.handleSciMoz -- error on line " + (exc && exc.lineNumber) +
+			 ": " + exc + "\n" + (exc && exc.stack) + "\n");
 		throw exc;
 // $endif{}
 	}