a fix in HTML output

[Nikos Mavrogiannopoulos]

I had two issues in the HTML output of makeinfo (from cvs).

1. The caption of a float was not included in the same <div> as the
float itself. This had the effect, that if the float was centered the
caption text was left aligned, making it a mess. A fix is attached.

2. When referring to floats, makeinfo adds a link to the float, but the
text on the link has the node/anchor name instead of the float name.

For example the following texinfo code:

@ref{fig:tls-layers}

@float Figure,fig:tls-layers
@image{gnutls-layers,12cm}
@caption{The TLS protocol layers.}
@end float

results to a float that is called "Figure 3.2". I'd expect references to
it to use the "Figure 3.2" name, but instead the fig:tls-layers is used
in the html code below.

<a href="#fig_003atls_002dlayers">fig:tls-layers</a>


<div class="float"><a name="fig_003atls_002dlayers"></a>
<img src="gnutls-layers.png" alt="gnutls-layers">

<p><strong>Figure 3.1: </strong>The TLS protocol layers.</p></div>

regards,
Nikos

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