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Re: breadcrumbs for Info . . . . . .

From: Juri Linkov
Subject: Re: breadcrumbs for Info . . . . . .
Date: Wed, 11 Jun 2008 03:04:45 +0300
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (x86_64-pc-linux-gnu)

> Breadcrumbs are an orientation and navigation aid for hypertext. They tell you
> where you are in the node hierarchy and let you go directly to any ancestor
> node. The orientation aid alone is very helpful, particularly when you are
> following cross-reference links - it lets you know exactly where in the 
> document
> structure you have arrived.

This is a nice feature, but I think its implementation is too heavy:
to display just one node it has to visit several other nodes.  It would be
more optimal to build a tree of all Info nodes after visiting the first
node and to use this cached structure during displaying an Info node.

Juri Linkov

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