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-rw-r--r--hmp-commands.hx2
1 files changed, 2 insertions, 0 deletions
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 66ec716e03..4c100d7369 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -869,6 +869,8 @@ STEXI
@findex ringbuf_read
Read and print up to @var{size} bytes from ring buffer character
device @var{device}.
+Certain non-printable characters are printed \uXXXX, where XXXX is the
+character code in hexadecimal. Character \ is printed \\.
Bug: can screw up when the buffer contains invalid UTF-8 sequences,
NUL characters, after the ring buffer lost data, and when reading
stops because the size limit is reached.