* doc/misc/tramp.texi (Predefined connection information):
Mention also "androidsu" as special case of "tmpdir".
(Remote processes): Signals are not delivered to remote direct
async processes. Say, that there are restrictions for transfer of
binary data to remote direct async processes.
* lisp/net/tramp-compat.el (tramp-compat-temporary-file-directory):
Simplify.
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