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+% Copyright (C) 1991 Silvio Levy
+%
+% This file is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 2 of the License, or
+% (at your option) any later version.
+%
+% This file is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with this program. If not, see <http://www.gnu.org/licenses/>.
+%
+% As a special exception, if you create a document which uses this font,
+% and embed this font or unaltered portions of this font into the
+% document, this font does not by itself cause the resulting document to
+% be covered by the GNU General Public License. This exception does not
+% however invalidate any other reasons why the document might be covered
+% by the GNU General Public License. If you modify this font, you may
+% extend this exception to your version of the font, but you are not
+% obligated to do so. If you do not wish to do so, delete this exception
+% statement from your version.
+
+def dims=8u#,x_height#,desc_depth# enddef;
+def ital = 0 enddef;
+def fit_params = 0,0 enddef;
+
+def gen_letter =
+ pickup fine.nib;
+ pos4(hair,-180); y4=.5h; lft x4r=hround .75u; %left bulge
+ pos6(hair,-180); rt x6l=hround(w-.75u); y6=-.5stem; %bottom right
+ top y3r=h+oo; x3+.5stem=rt x6l; pos3(stem,90); %top right
+ pos5(stem,-90); bot y5r=0; x5=.5w; %inflection pt
+ pos7(vstem,-270); y6=.5[y7r,y5r]; x7-.5vstem=hround x5;
+ filldraw double_circ_stroke %bowl and tail
+ z7e{right}...z6e{up}...z5e{left}...z4e{up}...z3e{right};
+enddef;
+
+cmchar "Final lowercase sigma";
+beginchar("s",dims);
+this_letter; penlabels(1,2,3,4,5,6,7,8); endchar;
+
+if unknown gen_acc : readfrom("gen_acc") fi
+readfrom("gen_sigma") %to establish ital and fit_params
+
+cmchar "Initial and medial lowercase sigma";
+beginchar("c",dim_sigma);
+mid_sigma; penlabels(1,2,3,4,5,6,7,8,9); endchar;
+
+if boolean barebones: picture savedpicture; endinput; fi
+
+cmchar "Lowercase sigma followed by sigma";
+begindoublechar(oct"023",dim_sigma);
+mid_sigma; middoublechar(dim_sigma); mid_sigma; endchar;
+
+cmchar "Lowercase sigma followed by grave";
+begindoublechar(oct"375",dim_sigma);
+mid_sigma; middoublechar(9u#,acc_ht#,0); grave(.5w); endchar;
+
+cmchar "Lowercase sigma followed by acute";
+begindoublechar(oct"376",dim_sigma);
+mid_sigma; middoublechar(9u#,acc_ht#,0); acute(.5w); endchar;
+
+cmchar "Lowercase sigma followed by circumflex";
+begindoublechar(oct"377",dim_sigma);
+mid_sigma; middoublechar(9u#,circ_ht#,0); circumflex(.5w); endchar;
+
+picture savedpicture;