Re: [PATCH] Beautify usage messages

[carstengrohmann]

> > the attached patch prettifies some usage messages by a common schema for
> > option arguments. It changes "option argument" to "<option argument>".
> 
> what's the name of this schema?
> isn't it ambiguos to use < and > which have another meaning in the shell?

Changing the schema of options and arguments doesn't have any effect to the 
shell, because the usage message will be shown only and won't interpreted by 
any shell.

I did some research into standards / guidelines for usage messages and found 
two documents:
 - Metasyntax (http://en.wikipedia.org/wiki/Metasyntax)
 - Posix "Utility Argument Syntax" 
(http://www.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap12.html)

The current syntax (not the discussed patch) is Posix compliant. The style with 
angle brackets are more like GNU.

Please ignore the patch

Regards,
Carsten
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