X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/sod/blobdiff_plain/e0808c472145fc81e52898bc9ac289e10c4f4f41..3b2ec4790da6b3f64189a58896957ac63169dd5e:/src/sod.1

diff --git a/src/sod.1 b/src/sod.1
index 01168f4..5474bda 100644
--- a/src/sod.1
+++ b/src/sod.1
@@ -85,6 +85,14 @@ and exit successfully.
 Write a brief usage message to standard output,
 and exit successfully.
 .TP
+.B "\-\-backtrace"
+Generate a Lisp stack backtrace if an error is encountered.
+This is useful when debugging,
+if
+.B sod
+reports unusual errors, or
+is complaining unjustifiably about something.
+.TP
 .B "\-\-builtins"
 Generate output for to the built-in module,
 which defines the root classes