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-rw-r--r--lispref/display.texi3
1 files changed, 2 insertions, 1 deletions
diff --git a/lispref/display.texi b/lispref/display.texi
index 5baee30ebb0..03b8188588f 100644
--- a/lispref/display.texi
+++ b/lispref/display.texi
@@ -281,7 +281,8 @@ how to display a message and prevent it from being logged:
@defvar echo-keystrokes
This variable determines how much time should elapse before command
-characters echo. Its value must be an integer, which specifies the
+characters echo. Its value must be an integer or floating point number,
+which specifies the
number of seconds to wait before echoing. If the user types a prefix
key (such as @kbd{C-x}) and then delays this many seconds before
continuing, the prefix key is echoed in the echo area. (Once echoing