Minor refactoring

edit.go

@@ -79,12 +79,14 @@ func (v *View) editDelete(back bool) {
 			v.deleteRune(v.cx-1, v.cy)
 			v.moveCursor(-1, 0, true)
 		}
-	} else if x == len(v.viewLines[y].line) { // end of the line
+	} else {
+		if x == len(v.viewLines[y].line) { // end of the line
 			v.mergeLines(v.cy)
 		} else { // middle of the line
 			v.deleteRune(v.cx, v.cy)
 		}
 	}
+}
 
 // editNewLine inserts a new line under the cursor.
 func (v *View) editNewLine() {