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-rw-r--r--src/buffer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/buffer.c b/src/buffer.c
index c74a6cbc2a5..3c46bdc6981 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -5531,6 +5531,8 @@ A string is printed verbatim in the mode line except for %-constructs:
%P -- print percent of buffer above bottom of window, perhaps plus Top,
or print Bottom or All.
%n -- print Narrow if appropriate.
+ %R -- print R or hyphen. R means that default-directory is on a
+ remote machine.
%t -- visited file is text or binary (if OS supports this distinction).
%z -- print mnemonics of keyboard, terminal, and buffer coding systems.
%Z -- like %z, but including the end-of-line format.