Index: typo3/sysext/rtehtmlarea/htmlarea/htmlarea-gecko.js
===================================================================
--- typo3/sysext/rtehtmlarea/htmlarea/htmlarea-gecko.js	(révision 9146)
+++ typo3/sysext/rtehtmlarea/htmlarea/htmlarea-gecko.js	(copie de travail)
@@ -508,7 +508,9 @@
 		var range = self._createRange(selection);
 		var startContainer = range.startContainer;
 		var startOffset = range.startOffset;
+			// If the selection is collapsed...
 		if (self._selectionEmpty()) {
+				// ... and the cursor lies in a direct child of body...
 			if (/^(body)$/i.test(startContainer.nodeName)) {
 				var node = startContainer.childNodes[startOffset];
 			} else if (/^(body)$/i.test(startContainer.parentNode.nodeName)) {
@@ -516,20 +518,27 @@
 			} else {
 				return false;
 			}
+				// ... which is a br or text node containing no non-whitespace character
 			if (/^(br|#text)$/i.test(node.nodeName) && !/\S/.test(node.textContent)) {
+					// Get a meaningful previous sibling in which to reposition de cursor
 				var previousSibling = node.previousSibling;
 				while (previousSibling && /^(br|#text)$/i.test(previousSibling.nodeName) && !/\S/.test(previousSibling.textContent)) {
 					previousSibling = previousSibling.previousSibling;
 				}
-				HTMLArea.removeFromParent(node);
-				if (/^(ol|ul|dl)$/i.test(previousSibling.nodeName)) {
-					self.selectNodeContents(previousSibling.lastChild, false);
-				} else if (/^(table)$/i.test(previousSibling.nodeName)) {
-					self.selectNodeContents(previousSibling.rows[previousSibling.rows.length-1].cells[previousSibling.rows[previousSibling.rows.length-1].cells.length-1], false);
-				} else if (!/\S/.test(previousSibling.textContent) && previousSibling.firstChild) {
-					self.selectNode(previousSibling.firstChild, true);
-				} else {
-					self.selectNodeContents(previousSibling, false);
+					// If there is no meaningful previous sibling, the cursor is at the start of body
+				if (previousSibling) {
+						// Remove the node
+					HTMLArea.removeFromParent(node);
+						// Position the cursor
+					if (/^(ol|ul|dl)$/i.test(previousSibling.nodeName)) {
+						self.selectNodeContents(previousSibling.lastChild, false);
+					} else if (/^(table)$/i.test(previousSibling.nodeName)) {
+						self.selectNodeContents(previousSibling.rows[previousSibling.rows.length-1].cells[previousSibling.rows[previousSibling.rows.length-1].cells.length-1], false);
+					} else if (!/\S/.test(previousSibling.textContent) && previousSibling.firstChild) {
+						self.selectNode(previousSibling.firstChild, true);
+					} else {
+						self.selectNodeContents(previousSibling, false);
+					}
 				}
 			}
 		}