I have just installed the last version of TeXmacs (version 2.1.1) and the superscripts and subscripts are broken: I cannot use the ^ and _ keys to switch to super-/subscript in math mode. The super-/subscript menu-button in the toolbar does not work either and the “multiple root” menu or keyboard shortcut Alt-S Tab are also not working. I can however open TeXmacs documents with super/subscript with no problems. I have tried to erase my old congiguration (in ~/.TeXmacs) and start TeXmacs from scratch but this does not solve the problem. I had these issues on 2 different computers (a laptop and a workstation) both with a 64-bit LinuxMint system (based on focal Ubuntu, that is 20.04 LTS version).
Superscripts and subscripts broken in TeXmacs 2.1.1
Hi @emmt and welcome to the forum.
There has been a corrected bug on this, please read
https://lists.texmacs.org/wws/arc/texmacs-users/2021-12/msg00020.html
and
https://lists.texmacs.org/wws/arc/texmacs-users/2021-12/msg00023.html
for the announcement and description of the bug.
Is it possible that you downloaded the bugged version? Maybe it is worrh downloading and installing TeXmacs again.
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Hi @pireddag thank you for your answer.
I upgraded TeXmacs from what I think is the the official Ubuntu repository:
deb http://ftp.texmacs.org/TeXmacs/tmftp/repos/apt/ focal universe
As you said that the bug has been fixed, I have just tried to force a reinstallation and, indeed, subscripts, superscripts and multiple roots now work perfectly even though the package version seems to be the same as before (2.1.1-1-focal).
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I think that it might be better to use a different version numbers (2.1.1-2, say) in the, at least, deb package, so that this update is recognized by the system.