Fix report-mode ONWERDRAW bug (with help from Alexandre Julliard).
Fix multiple selection bug (in report and list mode).
Remove code duplication for removing selections.

Remove non full duplex mode in code.
OSS Commercial doesn't properly handle SNDCTL_DSP_RESET, so close/open
device to workaround this issue (by Ove Kaaven).

doesn't handle the wave descriptor.

Removed unneeded FIXMEs.

Fix critical performance bug in GetSelectedCount.
Fix critical performance bug in SetGroupSelection.
Fix problems for OWNERDRAW report.
Fix hidden/latent bugs in state handling.
Better debug messages.

Fix fatal bug for ICON mode in LVS_ONWERDATA.
Documentation updates, marking places which need work.

Assorted code cleanups.

- Misc cleanups.

Better support of OWNERDRAW.
Cleaner, simpler code.

_one_ item can have the focus at any time, we can maintain one such
rectangle per list, rather than per item. This is both more efficient,
and works for LVS_OWNERDATA listviews as well.

fail gracefully.

source length handling.

- Lots of cleanups, and simplifications.

implementation.

then ours again.

instead of using void*, and removed a number of type casts.

- Unify text attribute selection between Draw{Sub,}Item.
- Usual cleanups, and simplifications.

for managing linked lists.

Minor cleanups.