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-rw-r--r--txr.110
1 files changed, 10 insertions, 0 deletions
diff --git a/txr.1 b/txr.1
index c7cf620d..72466bf5 100644
--- a/txr.1
+++ b/txr.1
@@ -71427,6 +71427,16 @@ such a line
.B is
entered into the history.
+The listener does not allow lines containing certain bad syntax to be submitted
+with Enter. If the buffer contains an expression with unbalanced parentheses
+or brackets, or unterminated literals, then Enter generates a newline character
+which is inserted into the buffer. In that situation, if that newline character
+is being added at the very end of the buffer, the listener flashes the
+exclamation mark character (!) two times to warn the user that line has not
+been submitted: no computation is taking place, and the listener is waiting for
+more input. It is possible to force the submission of an unbalanced line using
+the sequence Ctrl-X, Ctrl-F.
+
.SS* Limitations
The interactive listener can only accept up to 4095 abstract characters of