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-rw-r--r--man/irb.13
1 files changed, 0 insertions, 3 deletions
diff --git a/man/irb.1 b/man/irb.1
index 9083fcdbe2..e980a2ebfd 100644
--- a/man/irb.1
+++ b/man/irb.1
@@ -69,9 +69,6 @@ Suppresses read of
.It Fl -help
Prints a summary of the options.
.Pp
-.It Fl m
-Bc mode (load mathn, fraction or matrix are available)
-.Pp
.It Fl r Ar library
Same as `ruby -r'.
Causes irb to load the library using require.