man: nit.md documents `-`

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/share/man/nit.md b/share/man/nit.md
index 9503883..fcdec6c 100644 (file)
--- a/share/man/nit.md
+++ b/share/man/nit.md
@@ -6,6 +6,8 @@ nit - interprets and debugs Nit programs.
 
 nit [*options*] FILE [ARG]...
 
+nit [*options*] - [ARG]...
+
 nit [*options*] -e COMMAND [ARG]...
 
 # DESCRIPTION
@@ -16,6 +18,9 @@ It takes the main module of a program as the first argument then the options and
     $ nit examples/hello_world.nit
     hello world
 
+If `-` is used instead of a module, then the program is read from the standard input.
+The whole program is read before its interpretation starts.
+
 The Nit interpreter is usable and valid as a *shebang* interpreted directive.
 It is however recommended to use with `/usr/bin/env` because the location of the executable is not standardized.