diff --git a/chrome/content/zotero/xpcom/translation/translate.js b/chrome/content/zotero/xpcom/translation/translate.js
index 71db9dfea8..ed3893690e 100644
--- a/chrome/content/zotero/xpcom/translation/translate.js
+++ b/chrome/content/zotero/xpcom/translation/translate.js
@@ -1851,11 +1851,14 @@ Zotero.Translate.Base.prototype = {
 		if (this.type == 'web') {
 			this._sandboxManager.sandbox.attr = this._attr.bind(this);
 			this._sandboxManager.sandbox.text = this._text.bind(this);
+			this._sandboxManager.sandbox.innerText = this._innerText.bind(this);
 		}
 	},
 	
 	/**
 	 * Helper function to extract HTML attribute text
+	 *
+	 * Text is automatically trimmed
 	 */
 	_attr: function (selector, attr, index) {
 		if (typeof arguments[0] == 'string') {
@@ -1863,18 +1866,18 @@ Zotero.Translate.Base.prototype = {
 		}
 		// Document or element passed as first argument
 		else {
-			// TODO: Warn if Document rather than Element is passed once we drop 4.0 translator
-			// support
 			[docOrElem, selector, attr, index] = arguments;
 		}
 		var elem = index
 			? docOrElem.querySelectorAll(selector).item(index)
 			: docOrElem.querySelector(selector);
-		return elem ? elem.getAttribute(attr) : null;
+		return (elem ? elem.getAttribute(attr) : "").trim();
 	},
 	
 	/**
 	 * Helper function to extract HTML element text
+	 *
+	 * Text is extracted using textContent and is automatically trimmed
 	 */
 	_text: function (selector, index) {
 		if (typeof arguments[0] == 'string') {
@@ -1882,14 +1885,32 @@ Zotero.Translate.Base.prototype = {
 		}
 		// Document or element passed as first argument
 		else {
-			// TODO: Warn if Document rather than Element is passed once we drop 4.0 translator
-			// support
 			[docOrElem, selector, index] = arguments;
 		}
 		var elem = index
 			? docOrElem.querySelectorAll(selector).item(index)
 			: docOrElem.querySelector(selector);
-		return elem ? elem.textContent : null;
+		return (elem ? elem.textContent : "").trim();
+	},
+	
+	/**
+	 * Helper function to extract rendered HTML element text
+	 *
+	 * Text is extracted using innerText, not textContent, so it reflects the rendered content, and
+	 * is automatically trimmed
+	 */
+	_innerText: function (selector, index) {
+		if (typeof arguments[0] == 'string') {
+			var docOrElem = this.document;
+		}
+		// Document or element passed as first argument
+		else {
+			[docOrElem, selector, index] = arguments;
+		}
+		var elem = index
+			? docOrElem.querySelectorAll(selector).item(index)
+			: docOrElem.querySelector(selector);
+		return (elem ? elem.innerText : "").trim();
 	},
 	
 	/**