ConvertToStdValues is a procedure used to convert text values in
TIdHeaderList to a NAME=VALUE representation in the TStrings instance in ADest. ConvertToStdValues replaces the
NameValueSeparator character(s) in each line in
TIdHeaderList with the '=' character used by TStrings descendants.
Use AddStdValues to add text lines in NAME=VALUE form to a TIdHeaderList.