if unknown gen_acc : readfrom("gen_acc") fi
if unknown gen_sigma : readfrom("gen_sigma") fi
     
def width = 9.5u enddef;
def dims = width#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
     
def gen_letter =
  pickup fine.nib;
  lft x4r=hround .75u; x8r=w-x4r; y4r=y8r=.5x_height;   %top and bottom
  top y2r=x_height+oo; bot y6r=-oo; x2r=x6r=.5w;        %right and left
  filldraw stroke
    gr_arc.e(8,1,2)(vair,curve,otilt) & gr_arc.e(2,3,4)(vair,curve,otilt) &
    gr_arc.e(4,5,6)(vair,curve,otilt) & gr_arc.e(6,7,8)(vair,curve,otilt) ;
  numeric x_baryctr; x_baryctr=x2;                      %accent reference
enddef;
     
     
cmchar "Lowercase omicron";
beginchar("o",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8); endchar;
     
if boolean barebones: picture savedpicture; endinput; fi
     
cmchar "Lowercase omicron with grave";
beginchar(oct"344",width#,acc_ht#,0);
this_letter; grave(x_baryctr); endchar;
     
cmchar "Lowercase omicron with rough breathing";
beginchar(oct"345",width#,acc_ht#,0);
this_letter; spirit(x_baryctr)<; endchar;
     
cmchar "Lowercase omicron with smooth breathing";
beginchar(oct"346",width#,acc_ht#,0);
this_letter; spirit(x_baryctr)>; endchar;
     
cmchar "Lowercase sigma followed by omicron with grave";
begindoublechar(oct"347",dim_sigma);
mid_sigma; middoublechar(width#,acc_ht#,0);
this_letter; grave(x_baryctr); endchar;
     
cmchar "Lowercase omicron with acute";
beginchar(oct"354",width#,acc_ht#,0);
this_letter; acute(x_baryctr); endchar;
     
cmchar "Lowercase omicron with rough breathing and acute";
beginchar(oct"355",width#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)<; endchar;
     
cmchar "Lowercase omicron with smooth breathing and acute";
beginchar(oct"356",width#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)>; endchar;
     
cmchar "Lowercase sigma followed by omicron with acute";
begindoublechar(oct"357",dim_sigma);
mid_sigma; middoublechar(width#,acc_ht#,0);
this_letter; acute(x_baryctr); endchar;
     
cmchar "Lowercase sigma followed by omicron";
begindoublechar(oct"017",dim_sigma);
mid_sigma; middoublechar(dims); this_letter; endchar;
     
picture savedpicture;