%
% convert line seps to normalized crlf
%
% stack: subject-text
%
% convert existing crlfs to lf
%
cr 0x0A char replall
%
% convert cr to lf
%
0x0D char 0x0A char replall

%
% convert all lf to crlf
%
0x0A char cr replall

%
% stack: mormalized-text
%