Merge from origin/emacs-27

5bf2ef3871 Add more blackboard bold characters to TeX input method
c362a624d8 ; * lisp/progmodes/gdb-mi.el (gdb-handle-reply): Fix comme...
2b1e18ae85 Protect against errors in gdb-mi.el handlers
baceb8e84d Allow exiting the Python interpreter of a GDB session
2e66013dcf Ensure minibuffer input is added to history in read_minibuf
de41161534 Tab-bar related fixes.
247f2cfa02 ; ChangeLog.3 fixes.
e1a712bb3f * admin/authors.el: Add missing entries.

diff --cc lisp/desktop.el
Simple merge

diff --cc lisp/leim/quail/latin-ltx.el
Simple merge

diff --cc src/minibuf.c
Simple merge