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Date: Thu, 2 Mar 2017 00:53:37 +0100
From: =?utf-8?Q?Daniel_B=C3=BCnzli?= <daniel.buenzli@erratique.ch>
To: SP <sp@orbitalfox.com>
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Subject: Re: [Caml-list] [ANN] Cmdliner 1.0.0

On Thursday, 2 March 2017 at 00:33, SP wrote:
> Good work Daniel, thank you. Are there notes anywhere on what and how to
> migrate for version 1.0.0, or is it simply a case of using Arg constructors?

Mostly yes, you are only affected if you defined your own argument converters and the type system won't bark in this release. The shortest fix is to wrap existing parser-printer pairs with Arg.pconv [0].

A few projects are affected by the addition of the `Blocks case in the Manpage.block type [1]. 

This should mostly be it --- higher-order users may be affected by the addition of optional arguments to some other functions though (e.g. Term.info).

Best, 

Daniel

[0] http://erratique.ch/software/cmdliner/doc/Cmdliner.Arg.html#VALpconv
[1] http://erratique.ch/software/cmdliner/doc/Cmdliner.Manpage.html#TYPEblock