/***
@section synopsis SYNOPSIS
-m17n-config [CORE | X] [--cflags | --libs | --libtool] [--version]
+m17n-config [CORE | GUI] [--cflags | --libs | --libtool] [--version]
@section description DESCRIPTION
By default, the printed options are for such a program that uses SHELL
API of the libray. But, if the first argument is "CORE", the options
-are for a program that uses only CORE API, if the first argument "X",
-the options are for a program that uses GUI API on X window.
+are for a program that uses only CORE API, if the first argument "GUI",
+the options are for a program that uses GUI API.
The other arguments are as follows.