[PATCH] stty doc enhancements

[jidanni]

---
 doc/coreutils.texi |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 49aa16d..020dc51 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -11919,6 +11919,8 @@ Enable RTS/CTS flow control.  address@hidden  May be 
negated.
 @subsection Input settings
 
 @cindex input settings
+These arguments specify input-related operations, i.e., bytes sent
+from your terminal to the computer are affected by them.
 
 @table @samp
 @item ignbrk
@@ -11991,7 +11993,9 @@ empty again.  May be negated.
 @opindex iuclc
 @cindex uppercase, translating to lowercase
 Translate uppercase characters to lowercase.  address@hidden  May be
-negated.
+negated. (Note no ilcuc is currently implemented, probably because one
+would not be able to use any more Unix commands, which are almost all
+lower case, after invoking it.)
 
 @item ixany
 @opindex ixany
@@ -12010,7 +12014,8 @@ when the input buffer is full.  address@hidden  May be 
negated.
 @subsection Output settings
 
 @cindex output settings
-These arguments specify output-related operations.
+These arguments specify output-related operations, i.e., bytes sent
+from the computer to your terminal are affected by them.
 
 @table @samp
 @item opost
@@ -12021,7 +12026,7 @@ Postprocess output.  May be negated.
 @opindex olcuc
 @cindex lowercase, translating to output
 Translate lowercase characters to uppercase.  address@hidden  May be
-negated.
+negated. (Note no ouclc is currently implemented.)
 
 @item ocrnl
 @opindex ocrnl
@@ -12274,6 +12279,7 @@ as @code{tab3}.
 @opindex lcase
 @opindex LCASE
 Same as @code{xcase iuclc olcuc}.  address@hidden  May be negated.
+(Note no ucase has been implemented.)
 
 @item crt
 @opindex crt
-- 
1.5.6.5