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Re: Railroad diagrams, a-la sqlite

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Steve Atkins <steve(at)blighty(dot)com>
Cc: pgsql-docs <pgsql-docs(at)postgresql(dot)org>
Subject: Re: Railroad diagrams, a-la sqlite
Date: 2010-07-17 05:30:06
Message-ID: 4C413FDE.4040501@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-docs
On 17/07/10 07:33, Steve Atkins wrote:
> Has everyone seen the "railroad diagrams" sqlite use in their docs? http://www.sqlite.org/lang_createindex.html , as one example.
>
> Would it be nice to have the same sort of format in the postgresql docs? (Yeah, I'm volunteering, if people think they're a useful thing, 'cos I think they'd add a lot to our documentation.)

That would be nice. It would have to be automatically generated from the 
syntax descriptions we already have, otherwise it'd be unmaintainable. 
Also, the text representation would have to still be there in an alt tag 
- I note that the the sqlite docs don't have that.

Any idea how those sqlite images are generated?

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com

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