On 12/12/11 20:07, Richard L. Barnes wrote:
> In fact, it doesn't look like they're even processing the onload
> handler for the <body> element (except for Gmail).  That black line
> you see is a collapsed <div>, and it should be hidden on load.  Maybe
> MUAs just aren't supporting Javascript? --Richard

It's not that they don't support it (Thunderbird is half-written in
JavaScript!), it's that they turn it off. It's been disabled by default
since at least Thunderbird 2. Doing so leads to a large reduction in
attack surface.

Gerv

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