doc: clarification regarding sort stability.

* txr.1: Clarify that both sort and nsort are not stable
for vectors and strings.

1 files changed, 3 insertions, 1 deletions

diff --git a/txr.1 b/txr.1
index b9c79f81..6661dda3 100644
--- a/txr.1
+++ b/txr.1
@@ -38547,7 +38547,9 @@ functions are stable for sequences which are lists. This means that the
 original order of items which are considered identical is preserved.
 For strings and vectors,
 .code sort
-is not stable.
+and
+.code nsort
+are not stable.
 
 The
 .code ssort