This is to report a regression on a previously resolved bug with xfce4-datetime-plugin 0.7.0-1ubuntu1 on Xubuntu 18.04.1 LTS.
The datetime calendar pop-up always shows Sunday as the first day of the week,
despite Monday (2) being dictated by the locale set with environment variable $LC_TIME.
Here is the proof:
$ dpkg -l xfce4-datetime-plugin
ii xfce4-datetime-plugin 0.7.0-1ubuntu1 amd64 date and time plugin for the Xfce4 panel
$ echo $LC_TIME
$ grep 'first_weekday' /usr/share/i18n/locales/en_GB
The number 2 corresponds to Monday.
Notwithstanding, the datetime calendar pop-up shows Sunday as the first day of the week.
The same happens with LC_TIME=en_DK.UTF-8.
Both en_GB and en_DK abide to the international standard ISO 8601, in which Monday is treated as the first day of the week.
I can't reproduce with datetime-plugin from git master on Arch Linux.
When I run LC_TIME=en_GB.UTF-8 xfce4-panel the left most day calendar is Monday.
Can you reproduce this bug with other plugins that feature a calendar, such as Clock and Orage?
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