Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0
Hi,
due to serious problems with displaying APL characters in ⎕PLOT
legends,
I decided to replace libxcb (which lacks essential Unicode
support) with the
somewhat more modern libgtk3.
In order to use libgtk3
you need to ./configure again. If libgtk3 is not present,
then libxcb will be used as fallback.