compilation:
- reduce binary size
	* remove the null columns in EUC-KR decoding
	* fbf for unifont
	* maybe use system wcwidth?
charsets:
- set up some fuzzer
- use appropriate charsets in forms, urls, etc.
display:
- important: buffer list
	* either a buffer list buffer, or a buffer list popup menu. ideally
	  both.
- dark mode (basically max Y)
- override bgcolor ourselves when terminal fails to report it
- allow overriding ansi colors
config:
- important: config editor
- completely replace siteconf; the new solution should:
	* not be based on table arrays
	* allow overriding pretty much every global value per URL
	* allow better URL matching (regexes aren't great for this task)
	* be called url-config
	* allow matching $TERM string, buffer groups (but maybe this should
	  be a separate setting?)
- add per-scheme configuration (e.g. proto.gemini.known-hosts = '/some/path')
- add RPC for CGI scripts e.g. toggle settings/issue downloads/etc
	* also some way to set permissions for RPC calls
buffer:
- important: validate returned values
	* do not block container when receiving buffer data; if invalid, kill
	  buffer
	* this also includes not crashing when the buffer dies while
	  container is reading...
- important: add sandboxing
	* also, other security stuff:
		- configurable/better url filtering in loader
		- make peekCursor show the entire url
- when the log buffer crashes, print its contents to stderr
	* easiest way seems to be to just dump its cache file
- add buffer groups
- xhtml
- better horizontal line handling: allow viewing content positioned before page
  start, handle long lines, etc
network:
- uBO integration? (or at least implement filter lists)
- websockets (curl supports ws)
external:
- history, bookmarks (w3m format)
- save buffer (source, output)
- edit buffer (local file, or whatever we downloaded)
javascript:
- important: callbacks should not leak memory
- add support for JS mixins
- distinguish double from unrestricted double
- better dom support, more events
	* more concretely: get jQuery to work. this needs innerHTML, CSS
	  properties in DOM, ...
- implement ReadableStream, XHR
- separate console for each buffer
- buffer selection
layout engine:
- box borders
	* will probably need special treatment, as borders must round to
	  1ch in x direction and 1em in y direction.
- make table width calculation consistent with FF etc.
	* unfortunately, most websites are designed for auto table layouts
	  where w3m's space distribution algorithm does not work really well :/
- do not break inline boxes with out-of-flow block boxes (float, absolute, etc.)
	* this seems hard to fix properly :(
- table layout: include caption in width calculation
- details element
- overflow
- incremental layout & layout caching
	* first for tree generation, then for layout.
- iframe
- writing-mode, flexbox, grid, ruby, ... (i.e. cool new stuff)
images:
- sixel encoding (eventually also kitty) -> actually display them :P
- more formats (apng, gif: write own decoders, jpeg: use libjpeg, webp: ?)
- incremental decoding (maybe implement streams first?)
- separate image decoder process? or just run on a different thread?
man:
* add a DOM -> man page converter so that we do not depend on pandoc
  for man page conversion
gmifetch:
- rewrite in Nim
etc:
- tests (including aforementioned fuzzer)
- orc support
- maybe windows support? (blocker: needs a windows machine)