1 % Double Stroke Roman upper case:
2 % These letters were originally coded by D. E. Knuth in November, 1979,
3 % inspired by the Monotype faces used in {\sl The Art of Computer Programming}.
4 % Sans serif designs by Richard Southall were added in April, 1982.
5 % The programs were revised for the new \MF\ conventions in 1985.
7 % This file was renamed from {\tt romanu.mf} to {\tt dsromu.mf}
8 % and modified for double stroke characters by Olaf Kummer, 1995.
9 % The shapes of the letters A, V, and W were improved by Olaf Kummer, 1996.
12 % Character codes \0101 through \0132 are generated.
14 cmchar "The letter A";
15 beginchar("A",14.5u#,cap_height#,0);
16 adjust_fit(cap_serif_fit#,cap_serif_fit#);
17 numeric left_stem,right_stem,outer_jut,alpha;
18 right_stem=cap_stem-stem_corr;
19 left_stem=min(cap_hair if hefty: -3stem_corr fi,right_stem);
20 outer_jut=.8cap_jut; x1l=w-x12r=l+letter_fit+outer_jut+.5u; y1=y4=y12=0;
21 x2-x1=x12-x11; x3r=x2r+apex_corr; y2=y3=y11=h+0.4apex_o;
22 alpha=diag_ratio(2,left_stem+doublestroke_dist+doublestroke_thin,
23 y2-y1,x12r-x1l-apex_corr);
24 x3r+alpha*doublestroke_dist=x11l; x4r+alpha*doublestroke_dist=x12l;
25 penpos1(alpha*left_stem,0); penpos2(alpha*left_stem,0);
26 penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,0);
27 penpos11(alpha*doublestroke_thin,0); penpos12(alpha*doublestroke_thin,0);
28 z0=whatever[z1r,z2r]=whatever[z3l,z4l];
29 if y0<h-cap_notch_cut: y0:=h-cap_notch_cut;
30 fill z0+.5right{down}...{z4-z3}diag_end(3l,4l,1,1,4r,3r)
31 --diag_end(4r,3r,1,1,2l,1l)--diag_end(2l,1l,1,1,1r,2r){z2-z1}
32 ...{up}z0+.5left--cycle; % left and right diagonals
33 else: fill z0--diag_end(0,4l,1,1,4r,3r)--diag_end(4r,3r,1,1,2l,1l)
34 --diag_end(2l,1l,1,1,1r,0)--cycle; fi % left and right diagonals
35 fill stroke z11e--z12e; % stroke
36 penpos5(whatever,angle(z2-z1)); z5=whatever[z1,z2];
37 penpos6(whatever,angle(z3-z4)); z6=whatever[z3,z4]; y6=y5;
38 if hefty: y5r else: y5 fi =5/12y0;
39 y5r-y5l=y6r-y6l=cap_band; penstroke z5e--z6e; % bar line
40 if serifs: numeric inner_jut; pickup tiny.nib;
41 prime_points_inside(1,2); prime_points_inside(4,3);
42 prime_points_inside(12,11);
43 if rt x1'r+cap_jut+.5u+1<=lft x4'l-cap_jut: inner_jut=cap_jut;
44 else: rt x1'r+inner_jut+.5u+1=lft x4'l-inner_jut; fi
45 dish_serif(1',2,a,1/2,outer_jut,b,.6,inner_jut)(dark); % left serif
46 dish_serif(4',3,c,1/2,inner_jut,d,0,outer_jut+doublestroke_dist);
47 dish_serif(12',11,e,0,inner_jut+doublestroke_dist,f,1/3,outer_jut); % right serif
48 z13=whatever[z11,z12]; x14=x2;
50 fill z11--z3--z14--z13--cycle; fi % top closure
51 penlabels(0,1,2,3,4,5,6); endchar;
53 cmchar "The letter B";
54 beginchar("B",13.5u#,cap_height#,0);
55 italcorr .75cap_height#*slant-.5u#;
56 adjust_fit(cap_serif_fit#,0);
57 numeric left_stem,right_curve,middle_weight;
58 left_stem=cap_stem-hround 2stem_corr; middle_weight=.6vair+.5;
59 pickup tiny.nib; pos1(left_stem,0); pos2(left_stem,0);
60 lft x1l=lft x2l=hround max(2u,3u-.5left_stem); top y1=h; bot y2=0;
61 filldraw stroke z1e--z2e; % stem
62 pos21(doublestroke_thin,0); pos22(doublestroke_thin,0);
63 lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2;
64 filldraw stroke z21e--z22e; % stroke
65 penpos3(cap_band,90); penpos4(cap_band,90);
66 penpos6(middle_weight,-90); penpos7(middle_weight,-90);
67 penpos8(middle_weight,90); penpos9(middle_weight,90);
68 penpos5(right_curve-stem_corr,0); penpos10(right_curve,0);
69 penpos11(cap_band,-90); penpos12(cap_band,-90);
70 z3r=top z21; y4=y3; y5=.5[y4,y6]; y6=y7; y7l-y8l=vair;
71 z12r=bot z22; y11=y12; y10=.5[y11,y9]; y8=y9; .5[y7l,y8l]=.52h;
72 x4=x6; x9=x11=x4+.5u; x7=x8=x21; x9l:=x4+.25u;
73 x5r=hround(w-1.5u); x10r=hround(w-u);
74 if serifs: right_curve=cap_curve-stem_corr; x4=.5[x1,w-1.5u];
75 else: right_curve=cap_curve-3stem_corr; x4=.5[x1,w-2.5u];
76 x4l:=x4l-.5u; x9l:=x9l-.5u; fi
77 x6l:=x6l-.5u; x11l:=x11l-.5u;
78 fill stroke z3e..super_arc.e(4,5) & super_arc.e(5,6)..z7e; % upper lobe
79 fill stroke z8e..super_arc.e(9,10) & super_arc.e(10,11)..z12e; % lower lobe
80 if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,0,.5cap_jut+doublestroke_dist); % upper serif
81 nodish_serif(21,22,e,0,cap_jut+doublestroke_dist,f,1/3,.5cap_jut); % upper stroke serif
82 nodish_serif(2,1,c,1/3,cap_jut,d,0,.5cap_jut+doublestroke_dist); % lower serif
83 nodish_serif(22,21,g,0,cap_jut+doublestroke_dist,h,1/3,.5cap_jut); fi % lower stroke serif
84 math_fit(0,.5ic#); penlabels(1,2,3,4,5,6,7,8,9,10,11,12); endchar;
86 cmchar "The letter C";
87 if serifs: beginchar("C",13u#,cap_height#,0);
88 italcorr cap_height#*slant-.5u#;
90 pickup fine.nib; pos1(cap_hair,0); pos2(cap_band,90);
91 pos3(cap_curve,180); pos4(cap_band,270); pos5(hair,360);
92 rt x1r=rt x5r=hround(w-u); lft x3r=hround u; x2=x4=.55[x3,x1];
93 top y2r=h+o; bot y4r=-o; y3=.5[y2,y4];
94 bot y1=min(vround max(.6h,x_height-.5vair),bot y2l-eps);
95 y5=max(good.y .95(h-y1),y4l+eps);
96 (x2l',y2l)=whatever[z2r,z1l]; x2l:=min(x2l',x2l+.5u);
97 (x4l',y4l)=whatever[z4r,z5l]; x4l:=min(x4l',x4l+.5u);
98 filldraw stroke z1e{x2-x1,10(y2-y1)}
99 ...pulled_arc.e(2,3) & pulled_arc.e(3,4)...{up}z5e; % arc
100 curve_stroke(s,rt x3l+doublestroke_curvedist,doublestroke_thin,
101 z1r{x2-x1,10(y2-y1)}...pulled_arc.r(2,3),
102 pulled_arc.r(3,4)...{up}z5r); % stroke
103 pos6(.3[fine.breadth,cap_hair],0); x6r=x1r; top y6=h+o;
104 x1r-x1'=2cap_curve-fine; y1'=y1;
105 path upper_arc; upper_arc=z1{x2-x1,10(y2-y1)}..z2{left};
106 numeric t; t=xpart(upper_arc intersectiontimes (z6l--z1'));
107 filldraw z1r--z6r--z6l--subpath(t,0) of upper_arc--cycle; % barb
108 else: beginchar("C",11.5u#,cap_height#,0);
109 italcorr cap_height#*slant-.5u#;
111 pickup fine.nib; pos1(1.2flare,80); pos2(slab,90);
112 pos3(cap_curve,180); pos4(slab,270); pos5(flare,275);
113 rt x1r=hround(w-1.1u); x2=x4=.5w+1.25u;
114 lft x3r=hround max(u,2u-.5cap_curve); rt x5r=hround(w-.9u);
115 top y1r=vround .95h+o; top y2r=h+o; y3=.5h;
116 bot y4r=-o; bot y5r=vround .08h-o; y5l:=good.y y5l; x5l:=good.x x5l;
117 filldraw stroke rterm.e(2,1,right,.9,4) & super_arc.e(2,3)
118 & super_arc.e(3,4) & term.e(4,5,right,.8,4); % arc and terminals
119 curve_stroke(s,rt x3l+doublestroke_curvedist,doublestroke_thin,
120 rterm.r(2,1,right,.9,4) & super_arc.r(2,3),
121 super_arc.l(3,4) & term.l(4,5,right,.8,4)); fi % stroke
122 math_fit(-.3cap_height#*slant-.5u#,.5ic#);
123 penlabels(1,1',2,3,4,5,6); endchar;
125 cmchar "The letter D";
126 beginchar("D",14u#,cap_height#,0);
127 italcorr .7cap_height#*slant-.5u#;
128 adjust_fit(cap_serif_fit#,0);
129 pickup tiny.nib; pos1(cap_stem',0); pos2(cap_stem',0);
130 lft x1l=lft x2l=hround max(2u,3u-.5cap_stem'); top y1=h; bot y2=0;
131 filldraw stroke z1e--z2e; % stem
132 penpos11(doublestroke_thin-tiny,0); penpos12(doublestroke_thin-tiny,0);
133 lft x11l=lft x12l=rt x1r+doublestroke_dist; y11=y1; y12=y2;
134 filldraw stroke z11e--z12e; % stroke
135 penpos3(cap_band,90); penpos4(cap_band,90);
136 penpos5(cap_curve-stem_corr,0);
137 penpos6(cap_band,-90); penpos7(cap_band,-90);
138 z3r=top z11; y4=y3; y5=.51[y4,y6]; y6=y7;
139 z7r=bot z12; x4=x6=.53w+.25u; x5r=hround(w-u);
140 x4l:=x6l:=x4-.25cap_curve;
141 fill stroke z3e..pulled_arc.e(4,5) & pulled_arc.e(5,6)..z7e; % lobe
142 if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,0,.5cap_jut); % upper serif
143 nodish_serif(11,12,e,0,cap_jut,f,1/3,.5cap_jut); % upper stroke serif
144 nodish_serif(2,1,c,1/3,cap_jut,d,0,.5cap_jut); % lower serif
145 nodish_serif(12,11,g,0,cap_jut,h,1/3,.5cap_jut); fi % lower stroke serif
146 math_fit(0,ic#-.5u#); penlabels(1,2,3,4,5,6,7); endchar;
148 cmchar "The letter E";
149 beginchar("E",13u#-width_adj#,cap_height#,0);
150 italcorr cap_height#*slant-beak_jut#-.5u#;
151 adjust_fit(cap_serif_fit#,0);
152 h:=vround(h-stem_corr);
153 pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
154 lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0;
155 filldraw stroke z1e--z2e; % stem
156 pos21(doublestroke_thin,0); pos22(doublestroke_thin,0);
157 lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2;
158 filldraw stroke z21e--z22e; % stroke
159 pickup crisp.nib; pos3(slab,90); pos4(hair,0);
160 top y3r=h; x3=x21; rt x4r=hround(w-u); y4=good.y(y3l-beak)-eps;
161 arm(3,4,e,beak_darkness,beak_jut); % upper arm and beak
162 pos5(cap_bar,-90); pos6(hair,0);
163 top y5l=vround(.52[y22,y21]+.5cap_bar); x5=x21;
164 pos0(cap_bar,90); pos7(hair,0);
165 z0=z5; x6=x7; y6-y5l=y0l-y7;
166 if serifs: rt x6r=hround(w-4.4u+.5hair); y6=good.y(y5l+.6beak)+eps;
167 rt x9r=hround(w-.5u);
168 else: rt x6r=hround(w-1.5u); y6=y5l+eps; rt x9r=hround(w-.75u); fi
169 arm(5,6,f,beak_darkness,0); arm(0,7,g,beak_darkness,0); % middle arm and serif
170 pos8(slab if not serifs:+2stem_corr fi,-90); pos9(hair,0);
171 bot y8r=0; x8=x22; y9=good.y(y8l+7/6beak)+eps;
172 arm(8,9,h,beak_darkness,1.5beak_jut); % lower arm and beak
173 if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,0,.5cap_jut+doublestroke_dist); % upper serif
174 nodish_serif(21,22,i,0,cap_jut+doublestroke_dist,j,1/3,.5cap_jut); % upper stroke serif
175 nodish_serif(2,1,c,1/3,cap_jut,d,0,.5cap_jut+doublestroke_dist); % lower serif
176 nodish_serif(22,21,k,0,cap_jut+doublestroke_dist,l,1/3,.5cap_jut); fi % lower stroke serif
177 math_fit(0,.5ic#); penlabels(0,1,2,3,4,5,6,7,8,9); endchar;
179 cmchar "The letter F";
180 beginchar("F",12.5u#-width_adj#,cap_height#,0);
181 italcorr cap_height#*slant-beak_jut#-.25u#;
182 adjust_fit(cap_serif_fit#,0);
183 h:=vround(h-stem_corr);
184 pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
185 lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0;
186 filldraw stroke z1e--z2e; % stem
187 pos21(doublestroke_thin,0); pos22(doublestroke_thin,0);
188 lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2;
189 filldraw stroke z21e--z22e; % stroke
190 pickup crisp.nib; pos3(slab,90); pos4(hair,0);
191 top y3r=h; x3=x21; rt x4r=hround(w-.75u); y4=good.y(y3l-beak)-eps;
192 arm(3,4,e,beak_darkness,beak_jut); % upper arm and beak
193 pos5(cap_bar,-90); pos6(hair,0);
194 top y5l=vround(.5[y22,y21]+.5cap_bar); x5=x21;
195 pos0(cap_bar,90); pos7(hair,0);
196 z0=z5; x6=x7; y6-y5l=y0l-y7;
197 if serifs: rt x6r=hround(w-4u+.5hair); y6=good.y(y5l+.6beak)+eps;
198 rt x9r=hround(w-.5u);
199 else: rt x6r=hround(w-1.5u); y6=y5l+eps; rt x9r=hround(w-.75u); fi
200 arm(5,6,f,beak_darkness,0); arm(0,7,g,beak_darkness,0); % middle arm and serif
201 if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,0,.5cap_jut+doublestroke_dist); % upper serif
202 nodish_serif(21,22,i,0,cap_jut+doublestroke_dist,j,1/3,.5cap_jut); % upper stroke serif
203 nodish_serif(2,1,c,1/3,cap_jut,d,0,1.25cap_jut+doublestroke_dist); % lower serif
204 nodish_serif(22,21,k,0,cap_jut+doublestroke_dist,l,1/3,1.25cap_jut); fi % lower stroke serif
205 math_fit(0,ic#-2.5u#); penlabels(0,1,2,3,4,5,6,7,8,9); endchar;
207 cmchar "The letter G";
208 if serifs: beginchar("G",14u#,cap_height#,0);
209 italcorr cap_height#*slant-1.5u#-.5cap_serif_fit#;
210 adjust_fit(0,.5cap_serif_fit#);
211 pickup tiny.nib; pos0(cap_stem,0); pos7(cap_stem,0);
212 rt x0r=hround(w-2u); y0=good.y(.1[bar_height,x_height]+1); x7=x0;
214 if hefty: bot y7=0; pos5(cap_stem,0); x5=x0; top y5=tiny.top y0;
215 else: pos5(cap_hair,0); pos8(cap_stem,0);
216 y7=.5bar_height; z5l=z8l; z8=z7; x9=x8r; bot y9=0;
217 filldraw z8l{down}..{4(x9-x8),y9-y8}z9--z8r--cycle; fi % spur
218 pos1(cap_hair,0); pos2(cap_band,90);
219 pos3(cap_curve,180); pos4(cap_band,270);
220 rt x1r=hround(w-2u); lft x3r=hround u; x2=x4=.55[x3,x1];
221 top y2r=h+o; bot y4r=-o; y3=.5[y2,y4];
222 bot y1=min(vround max(.6h,x_height-.5vair),bot y2l-eps);
223 (x2l',y2l)=whatever[z2r,z1l]; x2l:=min(x2l',x2l+.5u);
224 (x4l',y4l)=whatever[z4r,z5l]; x4l:=min(x4l',x4l+.5u);
225 filldraw stroke z1e{x2-x1,10(y2-y1)}
226 ...pulled_arc.e(2,3) & pulled_arc.e(3,4)...z5e{up}; % arc
227 curve_stroke(s,rt x3l+doublestroke_curvedist,doublestroke_thin,
228 z1r{x2-x1,10(y2-y1)}...pulled_arc.r(2,3),
229 pulled_arc.r(3,4)...{up}z5r); % stroke
230 pos6(.3[fine.breadth,cap_hair],0); x6r=x1r; top y6=h+o;
231 x1r-x1'=2cap_curve-fine; y1'=y1;
232 path upper_arc; upper_arc=z1{x2-x1,10(y2-y1)}..z2{left};
233 numeric t; t=xpart(upper_arc intersectiontimes (z6l--z1'));
234 filldraw z1r--z6r--z6l--subpath(t,0) of upper_arc--cycle; % barb
235 pickup tiny.nib; filldraw stroke z0e--z7e; % stem
236 nodish_serif(0,7,a,1/3,max(cap_jut,2.25u),b,1/3,1.25u); % serif
237 math_fit(-.3cap_height#*slant-.5u#,ic#);
238 else: beginchar("G",12u#,cap_height#,0);
239 italcorr cap_height#*slant-.5u#;
241 pickup fine.nib; pos1(1.2flare,80); pos2(slab,90);
242 pos3(cap_curve,180); pos4(slab,270); pos5(flare,270);
243 rt x1r=hround(w-1.35u); x2=x4=.5w+u;
244 lft x3r=hround max(u,2u-.5cap_curve); rt x5l=hround(w-1.2u);
245 top y1r=vround .93h+o; top y2r=h+o; y3=.5h;
246 bot y4r=-o; bot y5r=vround .07h-o;
247 filldraw stroke rterm.e(2,1,right,.9,4)&super_arc.e(2,3)
248 & super_arc.e(3,4) & term.e(4,5,right,1,4); % arc and terminals
249 curve_stroke(s,rt x3l+doublestroke_curvedist,doublestroke_thin,
250 rterm.r(2,1,right,.9,4) & super_arc.r(2,3),
251 super_arc.l(3,4) & term.l(4,5,right,1,4)); % stroke
252 pos0(stem,0); pos7(stem,0);
253 z7r=z5r; x0=x7; top y0=1+vround .35[bar_height,x_height];
254 filldraw stroke z0e--z7e; % stem
255 pos8(cap_bar,90); pos9(cap_bar,90);
256 z0r=z9r; y8=y9; lft x8=hround x4;
257 filldraw stroke z8e--z9e; % bar
258 math_fit(-.3cap_height#*slant-.5u#,.5ic#); fi
259 penlabels(0,1,1',2,3,4,5,6,7,8,9); endchar;
261 cmchar "The letter H";
262 beginchar("H",14.5u#+width_adj#,cap_height#,0);
263 italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
264 adjust_fit(cap_serif_fit#,cap_serif_fit#);
265 pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
266 pos3(cap_stem,0); pos4(cap_stem,0);
267 pos21(doublestroke_thin,0); pos22(doublestroke_thin,0);
268 lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2;
269 lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1;
270 top y1=top y3=h; bot y2=bot y4=0;
271 filldraw stroke z1e--z2e; % left stem
272 filldraw stroke z3e--z4e; % right stem
273 filldraw stroke z21e--z22e; % stroke
274 penpos5(cap_bar,90); penpos6(cap_bar,90);
275 x5=x21; x6=x3; y5=y6=.52h;
276 fill stroke z5e--z6e; % bar
277 if serifs: numeric inner_jut;
278 if rt x21r+cap_jut+.5u+1<=lft x3l-cap_jut: inner_jut=cap_jut;
279 else: rt x21r+inner_jut+.5u+1=lft x3l-inner_jut; fi
280 nodish_serif(1,2,a,1/3,cap_jut,b,0,inner_jut+doublestroke_dist); % upper left serif
281 nodish_serif(21,22,i,0,cap_jut+doublestroke_dist,j,1/3,inner_jut); % upper stroke serif
282 nodish_serif(2,1,c,1/3,cap_jut,d,0,inner_jut+doublestroke_dist); % lower left serif
283 nodish_serif(22,21,k,0,cap_jut+doublestroke_dist,l,1/3,inner_jut); % lower stroke serif
284 nodish_serif(3,4,e,1/3,inner_jut,f,1/3,cap_jut); % upper right serif
285 nodish_serif(4,3,g,1/3,inner_jut,h,1/3,cap_jut); fi % lower right serif
286 math_fit(0,.5ic#); penlabels(1,2,3,4,5,6); endchar;
288 cmchar "The letter I";
289 beginchar("I",max(7.5u#,4u#+2cap_stem#),cap_height#,0);
290 italcorr cap_height#*slant-.25u#;
291 adjust_fit(cap_serif_fit#,cap_serif_fit#);
292 pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
293 pos11(doublestroke_thin,0); pos12(doublestroke_thin,0);
294 lft x1l=lft x2l=w-rt x11r;
296 y11=y1; lft x11l=rt x1r+doublestroke_dist;
297 y12=y2; lft x12l=rt x2r+doublestroke_dist;
298 filldraw stroke z1e--z2e; % stem
299 filldraw stroke z11e--z12e; % stroke
300 if serifs: nodish_serif(1,2,a,1/3,1.05cap_jut,b,0,1.05cap_jut+doublestroke_dist); % upper serif
301 nodish_serif(11,12,e,0,1.05cap_jut+doublestroke_dist,f,1/3,1.05cap_jut); % upper stroke serif
302 nodish_serif(2,1,c,1/3,1.05cap_jut,d,0,1.05cap_jut+doublestroke_dist); % lower serif
303 nodish_serif(12,11,g,0,1.05cap_jut+doublestroke_dist,h,1/3,1.05cap_jut); fi % lower stroke serif
304 math_fit(0,.5ic#); penlabels(1,2); endchar;
306 cmchar "The letter J";
307 beginchar("J",10.5u#,cap_height#,0);
308 italcorr cap_height#*slant-cap_serif_fit#
309 +.75cap_jut#-2.5u#+min(.5cap_stem#,u#);
310 adjust_fit(0,cap_serif_fit#);
311 pickup tiny.nib; pos1(cap_stem',0); pos2(cap_stem',0);
312 pos11(doublestroke_thin,0); pos12(doublestroke_thin,0);
313 top y1=h; rt x11r=hround(w-2u); x2=x1; y2=.21h;
314 y11=y1; lft x11l=rt x1r+doublestroke_dist;
315 y12=y2; lft x12l=rt x2r+doublestroke_dist;
316 if serifs: pos3(vair,-90); pos4(cap_hair,-180);
317 pos13(vair,-90); y13=y3; lft x13l=rt x3r+doublestroke_dist;
318 pos5(flare+(cap_stem-stem),-180);
319 bot y3r=-o; x3=.5[x4,x2]; y5=1/6h; rt x5l=hround 2.75u; z5r=z4r;
320 filldraw stroke z1e--z2e&super_arc.e(2,3); % stem and arc
321 filldraw stroke z11e--z12e&super_arc.e(12,13)&z13e--z3e; % stroke
322 nodish_serif(1,2,a,1/3,1.3cap_jut,b,0,.75cap_jut+doublestroke_dist); % serif
323 nodish_serif(11,12,c,0,1.3cap_jut+doublestroke_dist,d,1/3,.75cap_jut); % stroke serif
324 pickup tiny.nib; bulb(3,4,5); % bulb
325 else: filldraw stroke z1e--z2e; % stem
326 filldraw stroke z11e--z12e; % stroke stem
327 pickup fine.nib; pos3(cap_stem',0); z3=z2;
328 pos4(flare,angle(6.5u,-h)); pos5(1.1flare,-100);
329 bot y4r=-o; x4r=.5[x5r,x3r]; lft x5r=hround.75u; bot y5r=vround.06h-o;
330 filldraw stroke z3e{down}....term.e(4,5,left,1,4); % arc and terminal
331 pos13(doublestroke_thin,0); z13=z12;
332 filldraw stroke z13e{down}....{left}z4e; fi % stroke arc
333 math_fit(0,.5ic#-.5u#); penlabels(1,2,3,4,5); endchar;
335 cmchar "The letter K";
336 beginchar("K",14.5u#,cap_height#,0);
337 italcorr cap_height#*slant-.5u#;
338 adjust_fit(cap_serif_fit#,cap_serif_fit#);
339 numeric right_jut,stem[],alpha[];
340 if serifs: right_jut=.6cap_jut;
341 else: right_jut=.4tiny; fi
342 pickup tiny.nib; pos1(fudged.cap_stem,0); pos2(fudged.cap_stem,0);
343 lft x1l=lft x2l=hround max(2u,3u-.5fudged.cap_stem); top y1=h; bot y2=0;
344 filldraw stroke z1e--z2e; % stem
345 pos21(doublestroke_thin,0); pos22(doublestroke_thin,0);
346 lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2;
347 filldraw stroke z21e--z22e; % stroke
348 stem2=max(tiny.breadth,fudged.cap_stem-3stem_corr);
349 stem1=max(tiny.breadth,fudged.hair if hefty:-3stem_corr fi);
350 top y3=h; rt x3r=hround(r-letter_fit-u-right_jut);
351 bot y6=0; rt x6r=hround(r-letter_fit-.75u-right_jut);
353 alpha1=diag_ratio(1,.5(stem1-tiny),y3-y4,x3r-x4);
354 penpos3(alpha1*(stem1-tiny),0); penpos4(whatever,-90);
355 alpha2=diag_ratio(1,.5(stem2-tiny),y21-y6,x6r-x21);
356 penpos6(alpha2*(stem2-tiny),0);
357 forsuffixes $=l,r: y3'$=h; y6'$=0; z4$=z3'$+whatever*(z3-z4);
358 z5$=z6'$+whatever*(z21-z6)=whatever[z3,z4]; endfor
360 z3'r=z3r+penoffset z3-z4 of currentpen+whatever*(z3-z4);
361 % we have also |z3'l=z3l+penoffset z4-z3 of currentpen+whatever*(z3-z4)|;\]
362 z6'r=z6r+penoffset z21-z6 of currentpen+whatever*(z21-z6);
363 z6'l=z6l+penoffset z6-z21 of currentpen+whatever*(z21-z6);
364 fill z4r--diag_end(4r,3'r,1,.5,3'l,4l)--z4l--cycle; % upper diagonal
365 fill z5l--diag_end(5l,6'l,.5,1,6'r,5r)--z5r--cycle; % lower diagonal
366 if serifs: numeric inner_jut;
367 if rt x22r+cap_jut+.5u+1<=lft x6l-cap_jut: inner_jut=cap_jut;
368 else: rt x22r+cap_jut+.5u+1=lft x6l-inner_jut; fi
369 nodish_serif(1,2,a,1/3,cap_jut,b,0,cap_jut+doublestroke_dist); % upper stem serif
370 nodish_serif(21,22,i,0,cap_jut+doublestroke_dist,j,1/3,cap_jut); % upper stroke serif
371 nodish_serif(2,1,c,1/3,cap_jut,d,0,cap_jut+doublestroke_dist); % lower stem serif
372 nodish_serif(22,21,k,0,cap_jut+doublestroke_dist,l,1/3,cap_jut); % lower stroke serif
373 nodish_serif(3,4,e,2/3,1.2cap_jut,f,1/2,right_jut)(dark); % upper diagonal serif
374 nodish_serif(6,5,g,1/2,inner_jut,h,1/3,right_jut)(dark);fi % lower diagonal serif
375 math_fit(0,.5ic#); penlabels(1,2,3,4,5,6); endchar;
377 cmchar "The letter L";
378 beginchar("L",12u#-width_adj#,cap_height#,0);
379 adjust_fit(cap_serif_fit#,0);
380 pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
381 lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0;
382 filldraw stroke z1e--z2e; % stem
383 pos21(doublestroke_thin,0); pos22(doublestroke_thin,0);
384 lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2;
385 filldraw stroke z21e--z22e; % stroke
386 pickup crisp.nib; pos3(slab,-90); pos4(hair,0);
387 bot y3r=0; x3=x22; y4=y3l+7/6beak+eps; rt x4r=hround(w-.75u);
388 arm(3,4,e,1.2beak_darkness,beak_jut); % lower arm and beak
389 if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,0,1.25cap_jut); % upper serif
390 nodish_serif(21,22,f,0,cap_jut,g,1/3,1.25cap_jut); % upper stroke serif
391 nodish_serif(2,1,c,1/3,cap_jut,d,0,.5cap_jut); % lower serif
392 nodish_serif(22,21,h,0,cap_jut,j,1/3,.5cap_jut); fi % lower stroke serif
393 math_fit(0,u#); penlabels(1,2,3,4); endchar;
395 cmchar "The letter M";
396 beginchar("M",17.5u#+width_adj#,cap_height#,0);
397 italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
398 adjust_fit(cap_serif_fit#,cap_serif_fit#);
399 numeric stem[]; % thicknesses of the four strokes
400 stem1=hround(fudged.hair+stem_corr);
401 stem2=hround(fudged.cap_stem-4stem_corr);
402 stem3=hround(fudged.hair-stem_corr);
403 stem4=hround(fudged.cap_stem-3stem_corr);
404 if stem4<stem1: stem4:=stem1; fi
405 pickup tiny.nib; pos1(stem1,0); pos2(stem1,0);
406 pos3(stem4,0); pos4(stem4,0);
407 pos11(doublestroke_thick,0); pos12(doublestroke_thick,0);
409 top y1=top y3=h; bot y2=bot y4=0;
410 lft x1l=rt x11r+doublestroke_dist;
411 x11l=w-x3r; x12=x11; y11=y1; y12=y2;
412 rt x3r=hround min(w-2u,w-3u+.5stem4);
413 filldraw stroke z1e--z2e; % left stem
414 filldraw stroke z3e--z4e; % right stem
415 filldraw stroke z11e--z12e; % stroke
416 penpos5(stem2,0); penpos6(stem2,0); penpos7(stem3,0); penpos8(stem3,0);
417 x5l=x1; x6l=x7l; x8=lft x3l; x6-x5=x8-x7; y5=y8=h; y6=y7;
418 if hefty: y6=if monospace: vround 1/3h else: o fi;
419 numeric upper_notch,lower_notch;
420 upper_notch=h-cap_notch_cut; lower_notch=y6+cap_notch_cut;
421 x1'=rt x1r; z1'=whatever[z5l,z6l]; x3'=lft x3l; z3'=whatever[z7r,z8r];
422 z0=whatever[z5r,z6r]=whatever[z7l,z8l];
424 if y1'<upper_notch: {right}(x1'+1,upper_notch){down}... fi
425 {z6-z5}diag_in(5l,6l,1,6r)..diag_out(7l,1,7r,8r){z8-z7}
426 if y3'<upper_notch: ...{up}(x3'-1,upper_notch){right} fi
427 ..z8r--diag_out(8r,1,8l,7l){z7-z8}
428 if y0<=lower_notch: ..{z7-z8}z0{z5-z6}..
429 else: ...{down}(x0+.5,lower_notch)--(x0-.5,lower_notch){up}... fi
430 {z5-z6}diag_in(6r,5r,1,5l)--cycle; % diagonals
431 else: y6=0; z0=whatever[z5r,z6r]=whatever[z7l,z8l];
432 fill z5l..{z6-z5}diag_in(5l,6l,1,6r)..diag_out(7l,1,7r,8r){z8-z7}
433 ..z8r--diag_out(8r,1,8l,7l){z7-z8}..{z7-z8}z0{z5-z6}
434 ..{z5-z6}diag_in(6r,5r,1,5l)--cycle; fi % diagonals
435 if serifs: serif(1,2,a,0,-cap_jut-doublestroke_dist); % upper left serif
436 serif(11,12,g,1/3,-cap_jut); % upper stroke serif
437 nodish_serif(2,1,b,0,cap_jut+doublestroke_dist,c,1/3,cap_jut)(dark); % lower left serif
438 nodish_serif(12,11,h,1/3,cap_jut,i,0,cap_jut+doublestroke_dist)(dark); % lower stroke serif
439 serif(3,4,d,1/3,cap_jut); % upper right serif
440 nodish_serif(4,3,e,1/3,cap_jut,f,1/3,cap_jut); fi % lower right serif
441 math_fit(0,max(.5ic#-.5u#,0));
442 penlabels(0,1,1',2,3,3',4,5,6,7,8); endchar;
444 cmchar "The letter N";
445 beginchar("N",14.5u#+width_adj#,cap_height#,0);
446 italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
447 adjust_fit(cap_serif_fit#,cap_serif_fit#);
448 numeric thin_stem; thin_stem=hround(fudged.hair+stem_corr);
449 pickup tiny.nib; pos1(thin_stem,0); pos2(thin_stem,0);
450 pos3(thin_stem,0); pos4(thin_stem,0);
451 pos11(doublestroke_thick,0); pos12(doublestroke_thick,0);
452 pickup tiny.nib; top y1=top y3=h; bot y2=bot y4=0;
454 lft x1l=rt x11r+doublestroke_dist;
457 rt x3r=hround min(w-2u,w-3u+.5fudged.cap_stem);
458 filldraw stroke z1e--z2e; % left stem
459 filldraw stroke z3e--z4e; % right stem
460 filldraw stroke z11e--z12e; % stroke
461 if hefty: penpos5(fudged.cap_stem,0); penpos6(fudged.cap_stem,0);
462 x5l=x1; x6r=x4; y5=h; y6=0;
463 numeric upper_notch,lower_notch;
464 upper_notch=h-cap_notch_cut; lower_notch=cap_notch_cut;
465 x1'=rt x1r; z1'=whatever[z5l,z6l]; x4'=lft x4l; z4'=whatever[z5r,z6r];
467 if y1'<upper_notch: {right}(x1'+1,upper_notch){down}... fi
468 {z6-z5}diag_in(5l,6l,1,6r)--z6r..
469 if y4'>lower_notch: {left}(x4'-1,lower_notch){up}... fi
470 {z5-z6}diag_in(6r,5r,1,5l)--cycle; % diagonal
471 else: penpos5(whatever,0); penpos6(whatever,90);
473 z7=z6l+(max(eps,cap_stem-3stem_corr-tiny),0) rotated (angle(z5l-z6l)-90);
474 z5r=z7+whatever*(z5l-z6l); z6r=z7+whatever*(z5l-z6l);
475 filldraw stroke z5e..z6e; fi % diagonal
476 if serifs: if hefty: serif(1,2,a,0,-cap_jut-doublestroke_dist); % upper left serif
477 serif(11,12,g,1/3,-cap_jut); % upper stroke serif
478 else: serif(5,6,a,0,-cap_jut-doublestroke_dist); % upper left serif
479 serif(11,12,g,1/3,-cap_jut); fi % upper stroke serif
480 nodish_serif(2,1,b,0,cap_jut+doublestroke_dist,c,1/3,cap_jut)(dark); % lower left serif
481 nodish_serif(12,11,h,1/3,cap_jut,i,0,cap_jut+doublestroke_dist)(dark); % lower stroke serif
482 nodish_serif(3,4,e,1/2,cap_jut,f,1/2,cap_jut)(dark); fi % upper right serif
483 math_fit(0,max(.5ic#-.5u#,0)); penlabels(1,1',2,3,4,4',5,6,7); endchar;
485 cmchar "The letter O";
486 beginchar("O",14u#-width_adj#,cap_height#,0);
487 italcorr .7cap_height#*slant-.5u#;
489 penpos1(vair',90); penpos3(vround(vair+1.5vair_corr),-90);
490 penpos2(cap_curve,180); penpos4(cap_curve,0);
491 if monospace: x2r=hround 1.5u;
492 interim superness:=sqrt superness; % make |"O"|, not |"0"|
493 else: x2r=hround u; fi
494 x4r=w-x2r; x1=x3=.5w; y1r=h+o; y3r=-o;
495 y2=y4=.5h-vair_corr; y2l:=y4l:=.52h;
496 penstroke pulled_super_arc.e(1,2)(.5superpull)
497 & pulled_super_arc.e(2,3)(.5superpull)
498 & pulled_super_arc.e(3,4)(.5superpull)
499 & pulled_super_arc.e(4,1)(.5superpull) & cycle; % bowl
500 curve_stroke(s,rt x2l+doublestroke_curvedist,doublestroke_thin,
501 pulled_super_arc.r(4,1)(.5superpull)
502 & pulled_super_arc.r(1,2)(.5superpull),
503 pulled_super_arc.r(2,3)(.5superpull)
504 & pulled_super_arc.r(3,4)(.5superpull)); % stroke
505 math_fit(-.3cap_height#*slant-.5u#,ic#-.5u#); penlabels(1,2,3,4); endchar;
507 cmchar "The letter P";
508 beginchar("P",13u#,cap_height#,0);
509 italcorr .75cap_height#*slant-.5u#;
510 adjust_fit(cap_serif_fit#,0);
511 pickup tiny.nib; penpos1(cap_stem-tiny,0); penpos2(cap_stem-tiny,0);
512 lft x1l=hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0; x1l=x2l;
513 filldraw stroke z1e--z2e; % stem
514 pos21(doublestroke_thin,0); pos22(doublestroke_thin,0);
515 lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2;
516 filldraw stroke z21e--z22e; % stroke
517 penpos3(cap_band,90); penpos4(cap_band,90);
518 penpos5(cap_curve if hefty:-3stem_corr fi,0);
519 penpos6(.5[vair,cap_band],-90); penpos7(.5[vair,cap_band],-90);
520 z3r=top z21; y4=y3; y5=.5[y4l,y6l]; y6=y7;
521 x7=x22; y7l=vround .5h; x4=x6=.5w+.75u; x5r=hround(w-u);
522 x4l:=x6l:=x4-.25cap_curve;
523 fill stroke z3e..pulled_arc.e(4,5) & pulled_arc.e(5,6)..z7e; % lobe
524 if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,0,.5cap_jut+doublestroke_dist); % upper serif
525 nodish_serif(21,22,e,0,cap_jut+doublestroke_dist,f,1/3,.5cap_jut); % upper stroke serif
526 nodish_serif(2,1,c,1/3,cap_jut,d,0,cap_jut+doublestroke_dist); % lower stroke serif
527 nodish_serif(22,21,g,0,cap_jut+doublestroke_dist,h,1/3,cap_jut); fi % lower serif
528 math_fit(0,ic#-2.5u#); penlabels(0,1,2,3,4,5,6,7); endchar;
530 cmchar "The letter Q";
531 beginchar("Q",14u#-width_adj#,cap_height#,comma_depth#);
532 italcorr .7cap_height#*slant-.5u#;
534 numeric light_curve; light_curve=cap_curve-hround stem_corr;
535 penpos1(vair',90); penpos3(vair',-90);
536 penpos2(light_curve,180); penpos4(light_curve,0);
537 if monospace: x2r=hround 1.5u;
538 interim superness:=sqrt superness; % make |"Q"| like |"O"|
539 else: x2r=hround u; fi
540 x4r=w-x2r; x1=x3=.5w; y1r=h+o; y2=y4=.5h-vair_corr; y3r=-o;
541 penstroke pulled_super_arc.e(1,2)(.5superpull)
542 & pulled_super_arc.e(2,3)(.5superpull)
543 & pulled_super_arc.e(3,4)(.5superpull)
544 & pulled_super_arc.e(4,1)(.5superpull) & cycle; % bowl
545 curve_stroke(s,rt x2l+doublestroke_curvedist,doublestroke_thin,
546 pulled_super_arc.r(4,1)(.5superpull)
547 & pulled_super_arc.r(1,2)(.5superpull),
548 pulled_super_arc.r(2,3)(.5superpull)
549 & pulled_super_arc.r(3,4)(.5superpull)); % stroke
551 if hefty: penpos5(1.2(.5[cap_bar,light_curve]),0); penpos6(1.2light_curve,0);
552 x5=.5w; x6r=hround(w-1.5u);
553 y5=vround .28h; y6=-d;
554 fill diag_end(6r,5r,.25,1,5l,6l)--diag_end(5l,6l,.5,1,6r,5r)--cycle; % tail
555 else: pos3'(vair,270); pos5(vair,180); pos6(vair,90);
556 pos7(cap_curve,85); penpos8(eps,180);
557 z3'=z3; x6=x3; top y6r=vround(.2h+.5vair);
558 lft x5r=hround(.5w-1.25u-.5vair); y5=.5[y3,y6];
559 bot y7l=-d; x7l=2/3[x6,x8]; y8=0; rt x8=hround(x4r+.1u);
560 filldraw stroke z3'e{left}...z5e{up}...z6e{right}
561 ..z7e{right}...z8e{up}; fi % tail
562 math_fit(-.3cap_height#*slant-.5u#,ic#);
563 penlabels(1,2,3,4,5,6,7,8); endchar;
565 cmchar "The letter R";
566 beginchar("R",if serifs: 13u#+.5max(2u#,cap_curve#)
567 else:13.5u#-.5width_adj# fi,cap_height#,0);
568 italcorr .75cap_height#*slant- if serifs: 1.75 else: .5 fi\\ u#;
569 adjust_fit(cap_serif_fit#,0);
570 pickup tiny.nib; pos1(cap_stem',0); pos2(cap_stem',0);
571 lft x1l=lft x2l=hround max(2u,3u-.5cap_stem'); top y1=h; bot y2=0;
572 filldraw stroke z1e--z2e; % stem
573 pos21(doublestroke_thin,0); pos22(doublestroke_thin,0);
574 lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2;
575 filldraw stroke z21e--z22e; % stroke
576 penpos3(cap_band,90); penpos4(cap_band,90);
577 penpos5(cap_curve if hefty:-3stem_corr fi,0);
578 penpos6(vair,-90); penpos7(vair,-90);
579 z3r=top z21; y4=y3; y5=.5[y4l,y6l]; y6=y7;
580 x7=x22; y7l=vround(.5h+.5vair); x4=x6;
581 if serifs: x4=.5w-.5u; x5r=hround(w-2.25u);
582 else: x4=.5w+.5u; x5r=hround(w-u); fi
583 x4l:=x6l:=x4-.125cap_curve;
584 fill stroke z3e..pulled_arc.e(4,5) & pulled_arc.e(5,6)..z7e; % lobe
585 if serifs: pos6'(vair,-90); pos0(cap_stem,180);
586 pos8(cap_curve,180); pos9(vair,-90); pos10(hair,0);
587 z6'=z6; lft x0r=lft x8r=hround(x5-2/3u-.5cap_curve);
588 y8=1/3[y2,y7]; y0=3/5[y2,y7]; x9=.5[x8l,x10r];
589 bot y9r=-o; rt x10r=hround(w-.05u); y10=1/4[y2,y7];
590 filldraw stroke z6'e{right}..z0e---z8e....z9e{right}..z10e{up}; % tail
591 nodish_serif(1,2,a,1/3,cap_jut,b,0,.5cap_jut+doublestroke_dist); % upper serif
592 nodish_serif(21,22,e,0,cap_jut+doublestroke_dist,f,1/3,.5cap_jut); % upper stroke serif
593 nodish_serif(2,1,c,1/3,cap_jut,d,0,cap_jut+doublestroke_dist); % lower serif
594 nodish_serif(22,21,g,0,cap_jut+doublestroke_dist,h,1/3,cap_jut); % lower stroke serif
595 else: penpos8(cap_stem-2stem_corr,0); penpos9(cap_stem,0);
596 x8=x6+.5u; y8=y6; x9r=hround(w-.5u); y9=0;
597 fill z8l--diag_end(8l,9l,.5,1,9r,8r)--z8r--cycle; fi % tail
598 math_fit(0,.75ic#); penlabels(0,1,2,3,4,5,6,7,8,9,10); endchar;
600 cmchar "The letter S";
601 beginchar("S",10u#,cap_height#,0);
602 italcorr cap_height#*slant-u#;
604 numeric theta; theta=90-angle(50u,h); slope:=-h/50u; % angle at middle
605 numeric s_slab; s_slab=if serifs:slab else:vround .2[slab,cap_stem] fi;
606 numeric ess'; ess'=max(fine.breadth,cap_ess);
607 pickup fine.nib; pos2(max(fine.breadth,s_slab-vround vair_corr),-90);
608 pos0(ess',theta); pos7(s_slab,-90);
609 x2+x7=2x0=w; x7-x2=if serifs: u else: 0 fi; top y2l=h+o; bot y7r=-o;
610 y0=.52h; lft x3l=hround u; rt x6r=hround(w-u);
611 x3r-x3l=x6r-x6l=hround .5[s_slab,ess']-fine;
612 ellipse_set(2l,3l,4l,0l); ellipse_set(2r,3r,4r,0r); y3=y3r;
613 ellipse_set(7l,6l,5l,0l); ellipse_set(7r,6r,5r,0r); y6=y6r;
614 filldraw stroke super_arc.e(2,3) & z3e{down}
615 ..z4e---z5e..z6e{down} & super_arc.e(6,7); % main stroke
616 if serifs: pos1(hair,180); pos8(hair,180);
617 rt x1l=hround(w-1.5u); lft x8r=hround u;
618 bot y1=vround 2/3h+1; top y8=vround 1/3h-1;
619 filldraw stroke z1e{x2-x1,10(y2-y1)}....{left}z2e; % upper arc
620 filldraw stroke z7e{left}....{up}z8e; % lower arc
621 if rt x3r+2doublestroke_curvedist+doublestroke_thin>lft x6l:
622 curve_stroke(s,x0-0.5doublestroke_thin,doublestroke_thin,
623 z1l{x2-x1,10(y2-y1)}....{left}z2l & super_arc.l(2,3),
624 super_arc.r(6,7) & z7r{left}....{up}z8r); % stroke
626 curve_stroke(s,rt x3r+doublestroke_curvedist,doublestroke_thin,
627 z1l{x2-x1,10(y2-y1)}....{left}z2l & super_arc.l(2,3),
628 z3l{down}..z4l---z5l..z6l{down}); % left stroke
629 curve_stroke(t,lft x6l-doublestroke_curvedist,-doublestroke_thin,
630 super_arc.r(6,7) & z7r{left}....{up}z8r,
631 z3r{down}..z4r---z5r..z6r{down}); % right stroke
633 path upper_arc, lower_arc;
634 upper_arc=z1{x2-x1,10(y2-y1)}....{left}z2;
635 lower_arc=z7{left}....{up}z8;
636 pos10(.3[fine.breadth,cap_hair],0); pos9(.3[fine.breadth,cap_hair],0);
637 x10r=x1l; top y10=top y2l; x9l=x8r; bot y9=bot y7r;
638 x1l-x1'=x8'-x8r=1.6cap_curve-fine; y1'=y1; y8'=y8;
639 numeric t; t=xpart(upper_arc intersectiontimes(z10l--z1'));
640 filldraw z1l--z10r--z10l--subpath(t,0) of upper_arc--cycle; % upper barb
641 t:=xpart(lower_arc intersectiontimes(z9r--z8'));
642 filldraw z8r--z9l--z9r--subpath(t,1) of lower_arc--cycle; % lower barb
643 else: pos1(1.2flare,-100); pos8(1.2flare,-100);
644 x1l=good.x(x1l+w-1.75u-rt x1); lft x8r=hround .8u;
645 top y1l=vround .93h+o; bot y8r=vround .1h-o;
646 filldraw stroke term.e(2,1,right,.9,4); % upper arc and terminal
647 filldraw stroke term.e(7,8,left,1,4); % lower arc and terminal
648 if rt x3r+2doublestroke_curvedist+doublestroke_thin>lft x6l:
649 curve_stroke(s,x0-0.5doublestroke_thin,doublestroke_thin,
650 (reverse(term.l(2,1,right,.9,4))) & super_arc.l(2,3),
651 super_arc.r(6,7) & term.r(7,8,left,1,4)); % stroke
653 curve_stroke(s,rt x3r+doublestroke_curvedist,doublestroke_thin,
654 (reverse(term.l(2,1,right,.9,4))) & super_arc.l(2,3),
655 z3l{down}..z4l---z5l..z6l{down}); % left stroke
656 curve_stroke(t,lft x6l-doublestroke_curvedist,-doublestroke_thin,
657 super_arc.r(6,7) & term.r(7,8,left,1,4),
658 z3r{down}..z4r---z5r..z6r{down}); fi % right stroke
660 math_fit(0,.5ic#); penlabels(0,1,1',2,3,4,5,6,7,8,8',9,10); endchar;
662 cmchar "The letter T";
663 beginchar("T",13.5u#-width_adj#,cap_height#,0);
664 italcorr cap_height#*slant-beak_jut#-.25u#;
666 h:=vround(h-2stem_corr);
667 pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
668 pos21(doublestroke_thin,0); pos22(doublestroke_thin,0);
669 lft x1l=lft x2l=w-rt x21r;
671 lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2;
672 filldraw stroke z1e--z2e; % stem
673 filldraw stroke z21e--z22e; % stroke
674 pickup crisp.nib; pos3(slab,90); pos4(hair,0);
675 top y3r=h; x3=x1; rt x4r=hround(w-.65u); y4=good.y(y3l-beak)-eps;
676 arm(3,4,e,beak_darkness,.7beak_jut); % right arm and beak
677 pos5(hair,180); x5=w-x4; y5=y4;
678 pos6(slab,90); top y6r=h; x6=x21;
679 arm(6,5,f,beak_darkness,-.7beak_jut); % left arm and beak
680 if serifs: nodish_serif(2,1,c,1/3,1.05cap_jut,
681 d,0,1.05cap_jut+doublestroke_dist); % lower serif
682 nodish_serif(22,21,g,0,1.05cap_jut+doublestroke_dist,
683 h,1/3,1.05cap_jut); % lower stroke serif
684 nodish_serif(1,2,a,1/3,.5cap_jut,
685 b,0,.5cap_jut+doublestroke_dist); % upper bracketing
686 nodish_serif(21,22,i,0,.5cap_jut+doublestroke_dist,
687 j,1/3,.5cap_jut); fi % upper stroke bracketing
688 math_fit(-.75cap_height#*slant,ic#-2.5u#); penlabels(1,2,3,4,5,6); endchar;
690 cmchar "The letter U";
691 beginchar("U",14u#+.5width_adj#,cap_height#,0);
692 italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
693 if monospace: adjust_fit(cap_serif_fit#-.5u#,cap_serif_fit#-.5u#)
694 else: adjust_fit(cap_serif_fit#,cap_serif_fit#) fi;
695 pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
696 pos2'(cap_stem,180); z2'=z2;
698 pos4(cap_hair,0); pos5(cap_hair,0);
699 x1=x2; x3=.5[x1,x5]; x4=x5; x1l=w-x5r;
700 top y1=top y5=h; y2=y4=1/3h; bot y3r=-o;
701 lft x1l=hround max(2u,3u-.5cap_stem);
702 filldraw stroke z1e--z2e; % left stem
703 filldraw stroke pulled_arc.e(2',3)
704 & pulled_arc.e(3,4)&z4e--z5e; % arc and right stem
705 z21=0.5[z21l,z21r]; z22=0.5[z22l,z22r]; z23=0.5[z23l,z23r];
706 y21l=y21r=y1; lft x22l=lft x21l=rt x1r+doublestroke_dist;
707 y22r=y22l=-h; rt x22r=rt x21r=lft x22l+doublestroke_thin;
708 z23l=(pulled_arc.r(2',3) & pulled_arc.r(3,4))intersectionpoint(z21l..z22l);
709 z23r=(pulled_arc.r(2',3) & pulled_arc.r(3,4))intersectionpoint(z21r..z22r);
710 filldraw stroke z21e--z23e; % stroke
711 if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,0,cap_jut+doublestroke_dist); % left serif
712 nodish_serif(21,23,e,0,cap_jut+doublestroke_dist,f,1/3,cap_jut); % stroke serif
713 nodish_serif(5,4,c,1/2,cap_jut,d,1/2,cap_jut)(dark); fi % right serif
714 math_fit(-cap_serif_fit#-.3cap_height#*slant-min(cap_height#*slant,u#),
715 max(.5ic#-.5u#,0)); penlabels(1,2,3,4,5); endchar;
717 cmchar "The letter V";
718 beginchar("V",14u#,cap_height#,0);
719 italcorr cap_height#*slant+.25u#;
720 adjust_fit(cap_serif_fit#,cap_serif_fit#);
721 numeric left_stem,right_stem,outer_jut,alpha;
722 left_stem=cap_stem-stem_corr;
723 right_stem=min(cap_hair if hefty:-2stem_corr fi,left_stem);
724 outer_jut=.75cap_jut; x1l=w-x4r=l+letter_fit+outer_jut+.25u;
725 y1=y4=y11=h; y2=y3=y12=-0.4*apex_o;
726 if doublestroke_twist:
727 alpha=diag_ratio(2,left_stem,y11-y12,x4r-x1l);
729 alpha=diag_ratio(2,left_stem+doublestroke_dist+right_stem,
730 y11-y12,x4r-x1l-apex_corr);
732 penpos1(alpha*left_stem,0); penpos2(alpha*left_stem,0);
733 penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,0);
734 penpos11(alpha*doublestroke_thin,0); penpos12(alpha*doublestroke_thin,0);
736 if doublestroke_twist:
741 x1r+alpha*doublestroke_dist=x11l; x2r+alpha*doublestroke_dist=x12l;
742 z0=whatever[z11r,z12r]=whatever[z3l,z4l];
743 if doublestroke_twist:
744 z15=whatever[z11l,z12l]=whatever[z3l,z4l];
745 z16=whatever[z1r,z2r]=whatever[z3l,z4l];
746 fill z16--diag_end(16,4l,1,1,4r,3r)--diag_end(4r,3r,1,1,2l,1l)
747 --diag_end(2l,1l,1,1,1r,16)--cycle; % stroke and right diagonal
748 fill z15--diag_end(15,11l,1,1,11r,0)
749 --z0--cycle; % left diagonal
751 fill z0--diag_end(0,4l,1,1,4r,3r)--diag_end(4r,3r,1,1,12l,11l)
752 --diag_end(12l,11l,1,1,11r,0)--cycle; % left and right diagonals
753 fill diag_end(2l,1l,1,1,1r,2r)
754 --diag_end(1r,2r,1,1,2l,1l)--cycle; % stroke
756 if serifs: numeric inner_jut; pickup tiny.nib;
757 prime_points_inside(1,2); prime_points_inside(4,3);
758 prime_points_inside(11,12);
759 if rt x11'r+cap_jut+.5u+1<=lft x4'l-cap_jut: inner_jut=cap_jut;
760 else: rt x11'r+inner_jut+.5u+1=lft x4'l-inner_jut; fi
761 nodish_serif(1',2,a,1/3,outer_jut,
762 b,0,inner_jut+alpha*doublestroke_dist); % left serif
763 nodish_serif(11',12,e,0,outer_jut+alpha*doublestroke_dist,
764 f,1/2,inner_jut); % left stroke serif
765 nodish_serif(4',3,c,.6,inner_jut,d,1/2,outer_jut)(dark); % right serif
766 if not doublestroke_twist:
767 z13=whatever[z11,z12]; z14=whatever[z1,z2];
769 fill z12--z2--z14--z13--cycle; fi % bottom closure
771 math_fit(.75u#-cap_height#*slant,ic#-4u#); penlabels(0,1,2,3,4); endchar;
773 cmchar "The letter W";
774 beginchar("W",19u#,cap_height#,0);
775 italcorr cap_height#*slant+.25u#;
776 adjust_fit(cap_serif_fit#,cap_serif_fit#);
777 numeric stem[],outer_jut,upper_notch,alpha,mid_corr;
778 outer_jut=.7cap_jut; x1l=w-x8r=l+letter_fit+outer_jut+.25u;
779 stem1=fudged.cap_stem-stem_corr;
780 stem4=min(fudged.hair if hefty:-2stem_corr fi,stem1);
781 stem2=stem4 if hefty:-2stem_corr fi;
782 stem3=stem1 if hefty:-2stem_corr fi;
783 mid_corr=if monospace or hefty:-apex_corr else: 1/3jut fi;
784 y1=y8=y11=h; y2=y3=y12=-0.4*apex_o; y6=y7=-if doublestroke_twist:0.4 fi apex_o;
785 if doublestroke_twist:
786 alpha=diag_ratio(4,stem1,y1-y2,x8r-x1l+mid_corr-2apex_corr);
788 alpha=diag_ratio(4,stem1+stem2-stem3+stem4+doublestroke_dist,
789 y1-y2,x8r-x1l+mid_corr-2apex_corr);
791 penpos1(alpha*stem1,0); penpos2(alpha*stem1,0);
792 penpos3(alpha*stem2,0); penpos4(alpha*stem2,0);
793 penpos5(alpha*stem3,0); penpos6(alpha*stem3,0);
794 penpos7(alpha*stem4,0); penpos8(alpha*stem4,0);
795 penpos11(alpha*doublestroke_thin,0); penpos12(alpha*doublestroke_thin,0);
796 x11l=x1r+alpha*doublestroke_dist; x12l=x2r+alpha*doublestroke_dist;
797 x12-x11=x4-x3=x6-x5=x8-x7;
798 if doublestroke_twist:
801 x12l+apex_corr=x3l; x6l+apex_corr=x7l;
803 y4=y5=if monospace: vround .6 fi\\ h;
804 x4l-x1l=floor(x4l-x1l+.5(x5r+mid_corr-x4r)); % |x5r+mid_corr| $\approx$ |x4r|
805 z45=whatever[z3r,z4r]=whatever[z5l,z6l];
806 z67=whatever[z5r,z6r]=whatever[z7l,z8l]; upper_notch=y4-cap_notch_cut;
807 if doublestroke_twist:
808 z23=whatever[z11r,z12r]=whatever[z3l,z4l];
809 z15=whatever[z11l,z12l]=whatever[z3l,z4l];
810 z16=whatever[z1r,z2r]=whatever[z3l,z4l];
811 fill diag_end(1l,2l,1,1,3r,4r){z4-z3}...z45&z45
812 ...{z6-z5}diag_end(5l,6l,1,1,7r,8r)--diag_end(7r,8r,1,1,8l,7l){z7-z8}
813 ...z67&z67...{z5-z6}special_diag_end(6,5,4,3){z3-z4}...z16&z16
814 ...{z1-z2}diag_end(2r,1r,1,1,1l,2l)--cycle; % Stroke and diagonals
815 fill z15--diag_end(15,11l,1,1,11r,23)
816 --z23--cycle; % left stem
818 z23=whatever[z11r,z12r]=whatever[z3l,z4l];
819 fill diag_end(11l,12l,1,1,3r,4r){z4-z3}...z45&z45
820 ...{z6-z5}diag_end(5l,6l,1,1,7r,8r)--diag_end(7r,8r,1,1,8l,7l){z7-z8}
821 ...z67&z67...{z5-z6}special_diag_end(6,5,4,3){z3-z4}...z23&z23
822 ...{z11-z12}diag_end(12r,11r,1,1,11l,12l)--cycle; % Stroke and diagonals
823 fill diag_end(2r,1r,1,1,1l,2l)
824 --diag_end(1l,2l,1,1,2r,1r)--cycle; % left stem
826 if serifs: numeric inner_jut[]; pickup tiny.nib;
827 prime_points_inside(1,2); prime_points_inside(5,6); prime_points_inside(8,7);
828 prime_points_inside(11,12);
829 if monospace: inner_jut1=inner_jut4=1.5cap_jut;
830 elseif hefty: inner_jut1=inner_jut4=cap_jut;
831 else: fill diag_end(6r,5r,1,1,5l,6l)--.9[z5l,z6l]
832 ..{z5-z6}.1[z5r,z6r]--cycle; % middle stem
833 inner_jut2=.7inner_jut1; inner_jut4=1.1inner_jut3;
834 if rt x11'r+cap_jut+.5u+1<=lft x5'l-.7cap_jut: inner_jut1=cap_jut;
835 else: rt x11'r+inner_jut1+.5u+1=lft x5'l-inner_jut2; fi
836 if rt x5'r+1.1cap_jut+.5u+1<=lft x8'l-1.21cap_jut: inner_jut3=cap_jut;
837 else: rt x5'r+inner_jut3+.5u+1=lft x8'l-inner_jut4; fi
838 nodish_serif(5',6,e,1/3,inner_jut2,f,1/2,inner_jut3); fi % middle serif
839 nodish_serif(1',2,a,1/3,outer_jut,
840 b,0,inner_jut1+alpha*doublestroke_dist); % left serif
841 nodish_serif(11',12,g,0,outer_jut+alpha*doublestroke_dist,
842 h,1/2,inner_jut1); % stroke serif
843 nodish_serif(8',7,c,.6,inner_jut4,d,1/2,outer_jut)(dark); % right serif
844 if not doublestroke_twist:
845 z13=whatever[z11,z12]; z14=whatever[z1,z2];
847 fill z12--z2--z14--z13--cycle; fi % bottom closure
849 math_fit(.75u#-cap_height#*slant,ic#-2.5u#);
850 penlabels(0,1,2,3,4,5,6,7,8,23,45,67); endchar;
852 cmchar "The letter X";
853 beginchar("X",15u#,cap_height#,0);
854 italcorr cap_height#*slant-.25u#;
855 adjust_fit(cap_serif_fit#,cap_serif_fit#);
856 numeric stem[],outer_jut,xjut,alpha[];
857 stem1=cap_stem-2stem_corr; stem2=min(cap_hair,stem1);
858 outer_jut=.75cap_jut; xjut= if serifs: (stem1-stem2)/4 else: 0 fi;
859 x2r=r-letter_fit-1u-outer_jut-xjut;
860 x3l=l+letter_fit+.75u+outer_jut+xjut;
863 x1l=l+letter_fit+.25u+outer_jut; x22r=r-letter_fit-.25u-outer_jut;
864 alpha1=diag_ratio(1,stem1+doublestroke_dist,h,x22r-x1l);
865 alpha2=diag_ratio(1,stem2,h,x2r-x3l);
866 penpos1(alpha1*stem1,0); penpos4(alpha1*stem1,0);
867 penpos21(alpha1*doublestroke_thin,0); penpos22(alpha1*doublestroke_thin,0);
868 penpos3(alpha2*stem2,0); penpos2(alpha2*stem2,0);
869 x21l=x1r+alpha1*doublestroke_dist; x4r+alpha1*doublestroke_dist=x22l;
870 z31l=whatever[z2l,z3l]=whatever[z21,z22];
871 z31r=whatever[z2r,z3r]=whatever[z21,z22];
872 z32l=whatever[z2l,z3l]=whatever[z1,z4];
873 z32r=whatever[z2r,z3r]=whatever[z1,z4];
874 fill diag_end(4r,1r,.5,1,1l,4l)
875 --diag_end(1l,4l,.5,1,4r,1r)--cycle; % left diagonal
876 fill diag_end(22r,21r,.5,1,21l,22l)
877 --diag_end(21l,22l,.5,1,22r,21r)--cycle; % stroke diagonal
878 fill diag_end(2l,3l,.5,1,3r,2r)--z32r--z32l--cycle; % right diagonal, lower part
879 fill diag_end(3r,2r,.5,1,2l,3l)--z31l--z31r--cycle; % right diagonal, upper part
880 if serifs: numeric inner_jut[]; pickup tiny.nib;
881 prime_points_inside(1,4); prime_points_inside(2,3);
882 prime_points_inside(3,2); prime_points_inside(4,1);
883 prime_points_inside(21,22); prime_points_inside(22,21);
884 if rt x21'r+cap_jut+.5u+1<=lft x2'l-cap_jut-xjut: inner_jut1=cap_jut;
885 else: rt x21'r+inner_jut1+.5u+1=lft x2'l-inner_jut1-xjut; fi
886 if rt x3'r+cap_jut+.5u+1<=lft x22'l-cap_jut-xjut: inner_jut2=cap_jut;
887 else: rt x3'r+inner_jut2+.5u+1=lft x22'l-inner_jut2-xjut; fi
888 nodish_serif(1',4,a,1/3,outer_jut,
889 b,0,inner_jut1+doublestroke_dist); % upper left serif
890 nodish_serif(21',22,i,0,outer_jut+doublestroke_dist,
891 j,2/3,inner_jut1); % upper left stroke serif
892 nodish_serif(4',1,c,2/3,inner_jut2,
893 d,0,outer_jut+doublestroke_dist); % lower right serif
894 nodish_serif(22',21,k,0,inner_jut2+doublestroke_dist,
895 l,1/3,outer_jut); % lower right stroke serif
896 nodish_serif(2',3,e,2/3,inner_jut1+xjut,
897 f,1/2,outer_jut+xjut)(dark); % upper right serif
898 nodish_serif(3',2,g,1/2,outer_jut+xjut,
899 h,2/3,inner_jut2+xjut)(dark); fi % lower left serif
900 math_fit(0,.5ic#); penlabels(0,1,2,3,4,12,13,24,34); endchar;
902 cmchar "The letter Y";
903 beginchar("Y",14u#,cap_height#,0);
904 italcorr cap_height#*slant+.45u#;
905 adjust_fit(cap_serif_fit#,cap_serif_fit#);
906 numeric left_stem,right_stem,outer_jut,dy,alpha;
907 left_stem=cap_stem-stem_corr;
908 right_stem=min(cap_hair if hefty:-2stem_corr fi,left_stem);
909 outer_jut=.75cap_jut;
910 penpos6(left_stem,0); penpos16(doublestroke_thin,0);
911 x6l=w-x16r; x6r+doublestroke_dist=x16l;
912 x1l=w-x4r=l+letter_fit+outer_jut+.05u;
913 penpos15(doublestroke_thin,0); x15=x16; y16=0; y15l=.4h; y1l=h;
914 alpha=diag_ratio(1,left_stem+doublestroke_dist,y1l-y15l,x15l-x1l);
915 penpos1(alpha*left_stem,0); penpos11(alpha*doublestroke_thin,0);
916 penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,0);
917 penpos12(alpha*doublestroke_thin,0);
918 x1r+alpha*doublestroke_dist=x11l;
920 y6=y16; y1=y4=y11; y3=y12=y15;
921 z1l-z2l=whatever*(z11-z12); z6l-z2l=whatever*(z15-z16);
922 z1r-z2r=whatever*(z11-z12); z6r-z2r=whatever*(z15-z16);
924 z0=whatever[z11r,z12r]=whatever[z3l,z4l];
925 if y0>y12+cap_notch_cut: y0:=y12+cap_notch_cut;
926 fill z0+.5right{up}...{z4-z3}diag_end(3l,4l,1,1,4r,3r)--z15r
927 --diag_end(15r,16r,1,1,16l,15l)--z15l--diag_end(12l,11l,1,1,11r,12r){z12-z11}
928 ...{down}z0+.5left--cycle; % diagonals and stroke
929 else: fill z0--diag_end(0,4l,1,1,4r,3r)--z15r
930 --diag_end(15r,16r,1,1,16l,15l)--z15l
931 --diag_end(12l,11l,1,1,11r,0)--cycle; fi % diagonal and stroke
932 fill z2r--diag_end(2r,6r,1,1,6l,2l)--z2l
933 --diag_end(2l,1l,1,1,1r,2r)--cycle; % stem
934 if serifs: numeric inner_jut; pickup tiny.nib;
935 prime_points_inside(1,2); prime_points_inside(4,3); prime_points_inside(6,2);
936 prime_points_inside(11,12); prime_points_inside(16,15);
937 if rt x11'r+cap_jut+.5u+1<=lft x4'l-cap_jut: inner_jut=cap_jut;
938 else: rt x11'r+inner_jut+.5u+1=lft x4'l-inner_jut; fi
939 nodish_serif(1',2,a,1/3,outer_jut,b,0,inner_jut+doublestroke_dist); % upper left serif
940 nodish_serif(11',12,g,0,outer_jut+doublestroke_dist,h,1/2,inner_jut); % upper stroke serif
941 nodish_serif(4',3,c,.6,inner_jut,d,1/2,outer_jut)(dark); % upper right serif
942 nodish_serif(6',2,e,1/3,cap_jut,f,0,cap_jut+doublestroke_dist); % lower serif
943 nodish_serif(16',15,i,0,cap_jut+doublestroke_dist,j,1/3,cap_jut); fi % lower stroke serif
944 math_fit(.5u#-cap_height#*slant,ic#-4u#);
945 penlabels(0,1,2,3,4,5,6); endchar;
947 cmchar "The letter Z";
948 beginchar("Z",13.5u#,cap_height#,0);
949 italcorr cap_height#*slant-.5u#;
951 numeric arm_thickness[],z_stem;
952 if hefty: arm_thickness1=Vround(slab-vair_corr); arm_thickness2=slab;
953 z_stem=.8[vair,cap_stem];
954 else: arm_thickness1=slab; arm_thickness2=vround(slab+vair_corr);
955 z_stem=.9[vair,cap_stem]; fi
956 pickup tiny.nib; x3l=x4l=w-x1r=w-x2r; lft x3l=hround u;
957 top y1=h; y2=min(y1,h-2/3arm_thickness1);
958 bot y4=0; y3=max(y4,2/3arm_thickness2);
959 y11=y1; y12=y2; y13=y3; y14=y4;
960 numeric alpha; alpha=diag_ratio(1,
961 z_stem-tiny+doublestroke_dist+doublestroke_thin,y2-y3,x2r-x3l);
962 penpos1(alpha*(doublestroke_thin-tiny),0); penpos2(alpha*(doublestroke_thin-tiny),0);
963 penpos3(alpha*(z_stem-tiny),0); penpos4(alpha*(z_stem-tiny),0);
964 penpos11(alpha*(z_stem-tiny),0); penpos12(alpha*(z_stem-tiny),0);
965 penpos13(alpha*(doublestroke_thin-tiny),0); penpos14(alpha*(doublestroke_thin-tiny),0);
966 rt x11r=lft x1l-alpha*doublestroke_dist; rt x12r=lft x2l-alpha*doublestroke_dist;
967 lft x13l=rt x3r+alpha*doublestroke_dist; lft x14l=rt x4r+alpha*doublestroke_dist;
968 pair delta; delta=penoffset z3-z2 of currentpen;
969 fill top lft z11l--z12l+delta---z3l+delta..lft z3l---lft z4l..bot z4l
970 ---bot rt z4r--z3r-delta---z12r-delta..rt z12r---rt z11r..top z11r
972 fill top lft z1l--z2l+delta---z13l+delta..lft z13l---lft z14l..bot z14l
973 ---bot rt z14r--z13r-delta---z2r-delta..rt z2r---rt z1r..top z1r
975 pickup crisp.nib; pos5(arm_thickness1,90); pos6(hair,180);
976 top y5r=h; x5=x1; lft x6r=hround 1.25u; y6=good.y(y5l-beak)-eps;
977 arm(5,6,a,beak_darkness**.8,-.4beak_jut); % upper arm and beak
978 pos7(arm_thickness2,-90); pos8(hair,0);
979 bot y7r=0; x7=x4; rt x8r=hround(w-.9u); y8=good.y(y7l+1.2beak)+eps;
980 arm(7,8,b,beak_darkness**.9,.6beak_jut); % lower arm and beak
981 math_fit(0,.5ic#); penlabels(1,2,3,4,5,6,7,8); endchar;