`expand` doesn't accept the equals sign '=' as a separator between the short option `-t` and its arguments.
Signed-off-by: David Tadokoro <davidbtadokoro@usp.br>
* as suggested in #10428
* standard input => `stdin`
* standard output => `stdout`
* standard error => `stderr`
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>