1 files changed, 5 insertions, 0 deletions
diff --git a/txr.1 b/txr.1
index a89ef396..4ac510d9 100644
--- a/txr.1
+++ b/txr.1
@@ -70174,6 +70174,11 @@ Thus if the value is
 the output for that argument is an empty string, rather than the text
 .strn nil .
 
+The
+.code prn
+function returns
+.codn nil .
+
 .coNP Macro @ next
 .synb
 .mets (next)