- Deprecated since Thunderbird 45.0:
- since Thunderbird 45.0, the calendar can display the calender week by itself, making this Addon obsolete!
...also this Addon is incompatible with Thunderbird 45, i.e. needs to be disabled/removed...
for historical value, here the description for the old (outdated) Addon:
> Thunderbird/Lightning extension for showing the **calender week** in the month/multiweek view. > > > If installed, the _calender week_ will be displayed in the first day of the week (in the calendar's month and multiweek view) > > > This Add-on was inspired by the [Calendar Tweaks][2] Add-on. > > Version 0.4 > > ***NOTE***: incompatible with Thunderbird 45.x and newer! > >
> 
> 
>
>
> ### Build
>
> * compress the contents of this repository with ZIP
> * rename/add file extension `.xpi`
>
> or use ANT script `build.xml`
>
>
> ### Install
>
> * in Thunderbird go to `Tools` > `Add-ons`
> * on the upper right click the "config" menu and select `Install Add-on From File...`
> * confirm on the installation and restart Thunderbird
>
> ### Prerequisites
>
> * only tested for Thunderbird 31.* (may work with older version...)
> * requires calendar Add-on [Lightning][1]
> * only tested for Lightning version 3.3.* (may work with older version...)
> 
>