Mention TMPDIR respecting

diff --git a/doc/cmd/index.texi b/doc/cmd/index.texi
index c137efbc8337d2c16c94ac1497272e9ce8829a48..56ea8e90b001c5c4e6f03b451033779cb260b45f 100644 (file)
--- a/doc/cmd/index.texi
+++ b/doc/cmd/index.texi
@@ -46,6 +46,9 @@ Nearly all commands have the following common options:
     Print warranty information (no warranty).
 @end table
 
+@vindex TMPDIR
+All commands respect @env{$TMPDIR} environment variable.
+
 @menu
 Configuration file commands