RegisterHeaderHandler(HKEY("IF-MATCH"), Header_HandleIfMatch);
RegisterHeaderHandler(HKEY("DEPTH"), Header_HandleDepth);
RegisterConditional(HKEY("COND:DAV:DEPTH"), 1, Conditional_DAV_DEPTH, CTX_NONE);
RegisterHeaderHandler(HKEY("IF-MATCH"), Header_HandleIfMatch);
RegisterHeaderHandler(HKEY("DEPTH"), Header_HandleDepth);
RegisterConditional(HKEY("COND:DAV:DEPTH"), 1, Conditional_DAV_DEPTH, CTX_NONE);