SQLInstallDriver{,Ex}, SQLInstallerError and
SQLInstallTranslator{,Ex}.

Tighten up play duration test when ending too soon.
Set VirtualFree size to 0.

information. According to MSDN the 'ppQuery' parameter can be set to
NULL to detect if a certain query Type is supported.

characters.

prototypes.

about the former.

ntdll.

versions.

MsiEvaluateCondition.

InstallFiles action as MSDN specifies, but it still seems to work, so
make sure that we create component directories in the InstallFiles
action anyway.

dialogs.

whether a row already exists in a table, and replaced them with a call
to an existing working function that does the same thing correctly.

handle.

use temporary files and move files.

- A name offset of -1 for a parameter means that it has the same name
  as the function.
- Print an error if a ReadName is attempted with an offset of -1,
  since this will read garbage.
- Implement ITypeInfo_GetDllEntry.

device because its state shouldn't be recorded in a stateblock.