New text proposals for man winfo (winfo interps) and man send
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Man winfo, current text "winfo interps"
--
Returns a list whose members are the names of all Tcl interpreters (e.g. all Tk-based
applications) currently registered for a particular display. If the -displayof option
is given then the return value refers to the display of window; otherwise it refers
to the display of the application's main window.
--

Proposed new text
--
Returns a list whose members are the names of all Tcl interpreters (e.g. all Tk-based
applications) currently registered for a particular display. If the -displayof option
is given then the return value refers to the display of window; otherwise it refers
to the display of the application's main window.

Under macOS/aqua, the command returns only the interpreters that exist in the same process
as the current interpreter.
--


Man send, proposal to add a section "LIMITATIONS"
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Proposed text for section LIMITATIONS:
--
Under macOS/aqua, the send command works only with interpreters that exist in
the same process (these are returned by "winfo interps"). Invocations that
target an interpreter that exists in another process return an empty string
without accomplishing anything; no error is returned.
--

The proposed changes have been committed in bug-fix branch bug-9ba9729ef1,
commit [731a5957cc].