Merge from origin/emacs-27

f5d7fb3a2d (origin/emacs-27) Fix 'uudecode-decode-region-internal' in...
d4242177da Fix 'send-string-to-terminal' writing very long strings
9da0f4026c * lisp/subr.el (read-char-from-minibuffer): Doc fix.  (Bug...
9899f74e4e Merge branch 'emacs-27' of git.savannah.gnu.org:/srv/git/e...
a6fcba783e Fix documentation of 'windmove-swap-states-default-keybind...
f4acd7a924 Split windows evenly when 'min-margins' parameter was set ...

diff --cc doc/emacs/windows.texi
Simple merge

diff --cc lisp/mail/uudecode.el
Simple merge

diff --cc lisp/subr.el
Simple merge

diff --cc lisp/window.el
Simple merge

diff --cc src/dispnew.c
Simple merge