Re: twisted.web.template output encoding

Jonathan Jacobs <[email protected]> Tue, 6 Dec 2011 11:47:36 +0200

Newsgroups	gmane.comp.python.twisted.web
Message-ID	<CAM187SGqXXrpKaebsYprTfFBNV-oeKD5jh9EABvgZMw=0avJtw@mail.gmail.com>

On Mon, Dec 5, 2011 at 22:19, Glyph <[email protected]> wrote:
> Looking at the actual output now, these &nbsp; characters strike me as an
> accident of how browsers collapse different types of whitespace.  They could
> be replaced with a <span style="width: 4em;" /> to avoid this problem for
> now, which is probably more expressive.

The "width" property does not apply to non-replaced inline elements
(i.e. "display: inline", like span) [1], "padding-left: 4em" produces
the same result though.

Apart from the fact that "padding-left: 4em" (or "width: 4em") will
not be preserved if you attempt to copy the text,
&nbsp;&nbsp;&nbsp;&nbsp; and width: 4em are not actually the same
thing and do not produce the same result, even with a monospace font.

I've attached a small document demonstrating this.

[1] <http://www.w3.org/TR/CSS2/visudet.html#the-width-property>

-- 
Jonathan

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test.html (text/html, 459 B)

<html>
    <head>
        <style type="text/css">
            body, pre {
                font-family: monospace, monospace;
                margin: 0;
                padding: 0;
            }
        </style>
    </head>
    <body>
        <pre>    test</pre>
        <div>&nbsp;&nbsp;&nbsp;&nbsp;test</div>
        <div><span style="display: inline-block; width: 4em"></span>test</div>
        <div style="padding-left: 4em">test</div>
    </body>
</html>