Fix a couple of issues related to composing HTML messages in Thunderbird
Fix a couple of issues related to composing HTML messages in Thunderbird

GNOME/orca,GNOME/orca,chrys87/orca-beep,chrys87/orca-beep,GNOME/orca,pvagner/orca,pvagner/orca,pvagner/orca,GNOME/orca,pvagner/orca,chrys87/orca-beep,chrys87/orca-beep