bug#30056: 25.3; battery-mode-line-string missing leading space

[Glenn Morris]

Eli Zaretskii wrote:

>> The battery-mode-line-string set by battery-update is missing a
>> leading space, causing it to get combined with whatever is before it
>> in the mode line.
>
> It doesn't get combined here, so please show an example of what you
> observe on your system.

M-x display-time-mode
M-x display-battery-mode

-> 9.05AM 0.45 Mail[100.0%]

See also https://debbugs.gnu.org/18164