This would cause this error:

    template: head.html:7:15: executing "head.html" at <index .Global.Path 0>: error calling index: index of untyped nil

The information returned by Client.Mailbox may be out-of-date. Instead,
retrieve the mailbox status from the server each time.

Closes: https://todo.sr.ht/~emersion/alps/80

This allows us to extend these and expose helpers for templates and
plugins.

This alows to add/remove flags instead of setting them.

Only inline forwarding is supported for now.

References: https://todo.sr.ht/~sircmpwn/koushin/37

This reverts commit 02faf6174b.

This commit doesn't work, because it's applied to <img> tags. Making it
handle <a> tags doesn't work either because bluemonday will strip any
target="_blank" attributes, making the compose form open in the
<iframe>. Let's just revert this whole commit for now.

Add a settings page where the user can change the number of messages
displayed per page.

References: https://todo.sr.ht/~sircmpwn/koushin/16

Note that attachments will be lost. This is a TODO.

And mark original message as answered.

Closes: https://todo.sr.ht/~sircmpwn/koushin/15

Take a *Context instead of a echo.Context. This saves a type assertion
in each handler.

This allows Go plugins to easily inject global data.

RenderData will be used for an interface.

References: https://todo.sr.ht/~sircmpwn/koushin/36

Maybe we should add a confirmation step in the future.

References: https://todo.sr.ht/~sircmpwn/koushin/36

References: https://todo.sr.ht/~sircmpwn/koushin/36

This is a public type other plugins and templates may want to access.