std.getopt

[Trass3r]

Why doesn't std.getopt support standard unix style like 'make -j 4'?

"uint timeout;
getopt(args, "timeout|t", &timeout);
To set timeout to 5, use either of the following: --timeout=5, --timeout  
5, --t=5, --t 5, or -t5. Forms such as -t 5 and -timeout=5 will be not  
accepted."

Also it doesn't make any sense to me that --t=5 and --t 5 is allowed in  
this case.
I expected the short alias only to be used with a single dash.