Bug 1044336 involves Thunderbird 31 and the Insert Link function. Users while composing a message are unable to paste via right-click into the Link Location field within the Link Properties box when using the Insert Link function. Users are getting the message no named anchors or headings in this page when they attempt to right-click in the Link Location field. User can still paste via they keyboard shortcuts CTRL+V or SHIFT+Insert. At this time there has not been much happening in regards to this bug so doubtful this will be resolved in time for the upcoming Thunderbird 31.1.0 release early next month.
