Do not store callback items for subitems, even if we're asked to.
Small cleanup.

Override custom draw bkgnd color for selection items.
Fill background for all items that have a bkgnd colour.

Reimplement SetRedraw to cope with the changes.

Add debugging helper for SCROLLINFO.
Fix potential bug in debugging helpers.

- silence errors

- add HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\SERIALCOMM default mapping
- remember old DirectX version strings

application.

Rename update_icon_size to set_icon_size, fix parameters order.
Assorted cleanups.

Mark a few things that needs looking at.
Small cleanup.

Assorted cleanups.

and faster when redraw is disabled.

LVFI_PARAM flag.

Docs update.

dll. Make CTX_SEG_OFF_TO_LIN work with 32-bit segmented pointers
common in DPMI32. Fix winedos initialization so that DOSMEM_Init(TRUE)
is only called when DOS executable is started.

- compile the comctl32 dll with -DSTRICT

Render report mode from top to bottom (easier on the eye).
Docs updates, type fixes, more traces.

Minor cleanups.

Complete icon alignment rewrite: cleaner, incremental, etc.
Completely avoid aligning all icons on every insert
  - icon placement is incrementally computed now: it's fast.
Small cleanups, docs update, etc.