(Accepting Output): Revert most of previous change.

lispref/processes.texi

@@ -1296,21 +1296,21 @@ or terminal input.  Occasionally it is useful in a Lisp program to
 explicitly permit output to arrive at a specific point, or even to wait
 until output arrives from a process.
 
-@defun accept-process-output &optional process seconds microsec just-this-one
+@defun accept-process-output &optional process seconds millisec just-this-one
 This function allows Emacs to read pending output from processes.  The
 output is inserted in the associated buffers or given to their filter
 functions.  If @var{process} is non-@code{nil} then this function does
 not return until some output has been received from @var{process}.
 
 @c Emacs 19 feature
-The arguments @var{seconds} and @var{microsec} let you specify timeout
+The arguments @var{seconds} and @var{millisec} let you specify timeout
 periods.  The former specifies a period measured in seconds and the
-latter specifies one measured in microseconds.  The two time periods
+latter specifies one measured in milliseconds.  The two time periods
 thus specified are added together, and @code{accept-process-output}
 returns after that much time, whether or not there has been any
 subprocess output.
-
-The argument @var{microsec} is semi-obsolete nowadays because
+  
+The argument @var{millisec} is semi-obsolete nowadays because
 @var{seconds} can be a floating point number to specify waiting a
 fractional number of seconds.  If @var{seconds} is 0, the function
 accepts whatever output is pending but does not wait.