 
     render: ->
         <div style={STDOUT_STYLE}>
-            {@props.value}
+            <span>  {# span?  what? -- See https://github.com/sagemathinc/smc/issues/1958 }
+                {@props.value}
+            </span>
         </div>
 
 UntrustedJavascript = rclass

    mixins: [ImmutablePureRenderMixin]

    render: ->
        <div style={STDERR_STYLE}>
            {@props.message.get('text')}
        </div>

Image = rclass

            </div>
        else
            <div style={STDOUT_STYLE}>
                {# This span below is solely to workaround an **ancient** Firefox bug }
                {# See https://github.com/sagemathinc/smc/issues/1958    }
                <span>{value}</span>
            </div>

Stderr = rclass
