Create a course Insert a label to the course, with the content '<p><a href="http://emedicine.medscape.com/article/178948-overview" target="_blank"> http://emedicine.medscape.com/article/178948-overview </a></p>' View the result and cross-check the eight-dash-o has not been converted to a emoticon Insert another label to the course Upload an image with eight-dash-o in the filename to the label, which then gets the content '<p><img src="… … …/animal-cat-cute-126408-o.jpg" alt="" role="presentation" class="img-responsive atto_image_button_text-bottom" width="400" height="225"></p>' View the result and cross-check the image displays correctly Insert another label to the course Insert an image which has no special filename into the label and have the alt text having a : ) combination in it. View the result and cross-check the image displays correctly