2 files changed, 4 insertions, 2 deletions

diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index b12995be6ed..357a3c33fa3 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -6522,8 +6522,9 @@ no buffer display table.
 @defvar standard-display-table
 The value of this variable is the standard display table, which is
 used when Emacs is displaying a buffer in a window with neither a
-window display table nor a buffer display table defined.  Its default
-is @code{nil}.
+window display table nor a buffer display table defined, or when Emacs
+is outputting text to the standard output or error streams.  Its
+default is @code{nil}.
 @end defvar
 
 The @file{disp-table} library defines several functions for changing
diff --git a/doc/lispref/nonascii.texi b/doc/lispref/nonascii.texi
index f16018417de..362c3a4dcbb 100644
--- a/doc/lispref/nonascii.texi
+++ b/doc/lispref/nonascii.texi
@@ -1959,6 +1959,7 @@ how Emacs interacts with these features.
 @cindex keyboard input decoding on X
 This variable specifies the coding system to use for decoding system
 error messages and---on X Window system only---keyboard input, for
+sending batch output to the standard output and error streams, for
 encoding the format argument to @code{format-time-string}, and for
 decoding the return value of @code{format-time-string}.
 @end defvar