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if unknown gen_sigma : readfrom("gen_sigma") fi
def ital = 0 enddef;
def fit_params = 0,0 enddef;
def dims = 10u#,x_height#,desc_depth# enddef;
def gen_letter=
pickup fine.nib;
x1-.5stem=hround .75u; y1+.5stem=h+oo; %top left
z1'=(1,.2); pos1(stem,angle z1'+90); %direction at z1
x3+x1=w; y3-.5stem=-d-oo; pos3(stem,angle z1'+90); %bottom right
z2=.5[z1,z3]; %attachment
z2'=(z3-z1)yscaled 2; pos2(hair,angle z2'+90); %direction at z4
filldraw double_circ_stroke z1e{z1'}... z2e{(z3-z1)yscaled 2}...{z1'}z3e;
lft x7l=hround .75u; bot y7l=-d-oo; z2=.5[z7l,z8r]=.5[z7r,z8l];
numeric stem'; stem'=stem-currentbreadth;
numeric theta; theta=angle(z8r-z7l)+angle((x8r-x7l)++(y8r-y7l)+-+stem',stem');
x7r=x7l+(stem'/sind theta); y7r=y7l;
filldraw stroke z7e..z8e;
enddef;
cmchar "Lowercase chi";
beginchar("q",dims);
this_letter; penlabels(1,2,3,7,8); endchar;
if boolean barebones: picture savedpicture; endinput; fi
cmchar "Lowercase sigma followed by chi";
begindoublechar(oct"021",dim_sigma);
mid_sigma; middoublechar(dims); this_letter; endchar;
picture savedpicture;
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