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if unknown gen_sigma : readfrom("gen_sigma") fi
def dims = 10.5u#,x_height#,desc_depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
def gen_letter =
pickup fine.nib;
lft x4r=w-rt x8r=hround .75u; y4r=y8r=.5h;
x6r=.5[x4r,x8r]; bot y6r=-oo;
numeric tilt; tilt:=min(2*otilt,.5);
filldraw stroke gr_arc.e(6,7,8)(vair,stem,tilt) ;
filldraw stroke gr_arc.e(4,5,6)(vair,.4[vair,stem],tilt) ;
y2+.5stem=h+o; x2+.5stem=hround(x6-1.5u);
pos2(stem,angle((z2-z4)xscaled 2)+90);
filldraw circ_stroke z2e...{z4'e}z4e;
pos10(stem,180); pos11(hair,180);
y10-.5stem=-d-o; y11=.25h; x10=x11=x6;
x9r=.5[x10r,x8r]; top y9r=h+o;
filldraw stroke gr_arc.e(8,20,9)(vair,.4[vair,stem],.5tilt);
filldraw circ_stroke z10e..z11e{up}..{-z9'e}z9e;
enddef;
cmchar "Lowercase phi";
beginchar("f",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8,9,10,11,12,20,21); endchar;
if boolean barebones: picture savedpicture; endinput; fi
cmchar "Lowercase sigma followed by phi";
begindoublechar(oct"006",dims);
mid_sigma; middoublechar(dims); this_letter; endchar;
picture savedpicture;
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