if chunk ~= nil then
-- Look for a valid header format
- local hdr, val = chunk:match( "^([A-Z][A-Za-z0-9%-_]+): +(.+)$" )
+ local hdr, val = chunk:match( "^([A-Za-z][A-Za-z0-9%-_]+): +(.+)$" )
if type(hdr) == "string" and hdr:len() > 0 and
type(val) == "string" and val:len() > 0