to abort an upload, refresh the page and access the unpost tab,
which now includes unfinished uploads (sorted before completed ones)
can be configured through u2abort (global or volflag);
by default it requires both the IP and account to match
https://a.ocv.me/pub/g/nerd-stuff/2024-0310-stoltzekleiven.jpg
on phones especially, hitting the end of a folder while playing music
could permanently stop audio playback, because the browser will
revoke playback privileges unless we have a song ready to go...
there's no time to navigate through folders looking for the next file
the preloader will now start jumping through folders ahead of time
* polyfill Set() for gridview (ie9, ie10)
* navpane: do full-page nav if history api is ng (ie9)
* show markdown as plaintext if rendering fails (ie*)
* text-editor: hide preview pane if it doesn't work (ie*)
* explicitly hide toasts on close (ie9, ff10)
* fix crash on keyboard input in modals
* text editor works again (but without markdown preview)
* keyboard hotkeys for the few features that actually work
table header click-handler didn't cover the entire cell so it was
easy to sort the table by accident; also do not exit hiding mode
automatically since you usually want to hide several columns
(so also adjust css to make it obvious you're in hiding mode)
* in case someone gets a confusing access-related error message,
include more context in serverlogs (exact path)
* fix js console spam in search results
* same markdown line-height in viewer and browser
