%% @metafontfile{
%% filename="xbcaps.mf",
%% version="2.2",
%% date="04-JAN-1995",
%% filetype="Metafont: driver",
%% copyright="Copyright (C) American Mathematical Society,
%% all rights reserved. Copying of this file is
%% authorized only if either:
%% (1) you make absolutely no changes to your copy
%% including name; OR
%% (2) if you do make changes, you first rename it to some
%% other name.",
%% author="American Mathematical Society",
%% address="American Mathematical Society,
%% Technical Support Department,
%% P. O. Box 6248,
%% Providence, RI 02940,
%% USA",
%% telephone="401-455-4080 or (in the USA) 800-321-4AMS",
%% email="Internet: Tech-Support@Math.AMS.org",
%% codetable="ISO/ASCII",
%% checksum = "54815 833 1446 27412"
%% keywords="amsfonts, tex, metafont , AMSSymbols ",
%% abstract="This is the driver file for use with
%% the Blackboard Bold characters in AMSFonts 2.2."
%% docstring = "The checksum field above contains a CRC-16
%% checksum as the first value, followed by the
%% equivalent of the standard UNIX wc (word
%% count) utility output of lines, words, and
%% characters. This is produced by Robert
%% Solovay's checksum utility.",
%% }
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Changes made by Stefan Lindner for version 2.1 to fix some
% rounding problems at low resolutions 03-Mar-1991
% ru defined and substituted for u in drawings of characters.
def ru(expr A)=
begingroup
save rounded_u; rounded_u#:=A*u#;
define_whole_vertical_pixels(rounded_u);
rounded_u
endgroup
enddef;
iff OK "A": "The letter A"; beginchar("A",13unit#,cap#,0);
top z20=(.48w,h+Aapex); pos20(Atip,0);
bot y3=0; z3l=whatever[z20l,(1.5unit,0)];
bot y6=0; z6r=whatever[z20r,(w-round(unit+u),0)];
z20l=z1l; z20r=z4r;
mpos(1,3)(Athin,constant_angle(z20l,(1.5unit,0),0));
mpos(4,6)(stem,constant_angle(z20r,(w-round(unit+u),0),0));
onaline(1l,3l)(2l); y2l=c_round_bracket;
onaline(1r,3r)(2r); y2r=c_inner_bracket;
onaline(4l,6l)(5l); y5l=c_inner_bracket;
onaline(4r,6r)(5r); y5r=c_thick_stem_bracket;
z40=whatever[.8[z1l,z1r],z2r]; z40=whatever[.8[z4r,z4l],z5l];
y41=round(.4[serif_thickness,y40]-Abar); % bar bottom
y42=y41+Abar;
ref1=rightserif(z3,z1,z2l,z40,ru(7),bracket0)--z40;
ref2=z40--leftserif(z6,z4,z40,z5r,ru(7),bracket32);
ref3=(0,y41)--(w,y41);
ref4=(0,y42)--(w,y42);
x11=xpart (ref1 intersectionpoint ref3);
x12=xpart (ref2 intersectionpoint ref3);
x13=xpart (ref2 intersectionpoint ref4);
x14=xpart (ref1 intersectionpoint ref4);
y11=y12=y41; y13=y14=y42;
p1=z20l--leftserif(z3,z1,z2l,z1r,ru(3),bracket0)--ref1--ref2--
rightserif(z6,z4,z5l,z5r,ru(2.5),bracket0)--z20r--cycle;
p2=z11--z12--z13--z14--cycle;
showpoints(1,2,3,4,5,6,11,12,13,14,20,40,41,42);
draw_outlines;
endchar;
iff OK "B": "The letter B"; beginchar("B",12unit#,cap#,0);
top lft z1l=(round(ru(5)+2smallu),h);
z2l=(x1l,h-c_thick_stem_bracket);
z2r=(x1r,h-c_round_bracket);
z3l=(x1l,c_thick_stem_bracket);
z3r=(x1r,c_round_bracket);
bot z4l=(x1l,0);
mpos(1,4)(Bstem,0);
z5l=(rt x1r+ru(4),y1);
z5r=(rt x1r+ru(3),y1-Btopthin);
onaline(1r,4r)(8l);
bot y8l=.5h-smallu; pos8(Bmidthin,90);
rt z6l=(w-round(1.5unit),.5[y5l,y8l]); pos6(Btopcurve,180);
rt z9l=(w-round(ru(2.5)),.5[y10l,y8r]); pos9(Bbotcurve,180);
z10l=(rt x1r+ru(4),y4);
z10r=(rt x1r+ru(3),y4+Bbotthin);
z7l=(rt x1r+ru(3),y8l);
rt z7=(lft x9r-ru(3),.5[top y8l,y8r]);
p1=leftserif(z1,z4,z2l,z2r,ru(5.2),bracket4)--
leftserif(z4,z1,z3l,z3r,ru(5.2),bracket4)--
curve.br(z10l,.5,z9l,.7)--curve.tr(z9l,.7,z7,.5)--
curve.br(z7,.5,z6l,.5)--curve.tr(z6l,.8,z5l,.6)--cycle;
p1'=z8l--z8r;
p1''=curve.br(z8r,.6,z6r,.85)--curve.tr(z6r,.7,z5r,.5)...
{left}z5r...{down}z2r--cycle;
p2''=z8l--z3r{down}...{right}z10r--
curve.br(z10r,.6,z9r,.7)--curve.tr(z9r,.8,z7l,.6)--cycle;
showpoints(1,2,3,4,5,6,7,8,9,10);
draw_outlines;
endchar;
iff OK "C": "The letter C"; beginchar("C",(1+12)*unit#,cap#,0);
bot z2l=(max(7unit,.5w),-Cover);
y2r=y2l+Cbotthin;
x2r=x2l+(min(Cbotthin,abs(y2r-y2l)));
bot rt z1l=(w-ru(2),2unit);
ref1=z2l{right}...z1l;
pos1(Ctip,angle(z1l-precontrol 1 of ref1)+ 90);
lft z3l=(round ru(2),.5h); pos3(Ccurve,0);
top z4l=(x2l,h+Cover);
y4r=y4l-Ctopthin;
x4r=x4l+(min(ru(.5),abs(y4r-y4l)));
bot rt z5=(w-round(unit+ru(.5)),h-3unit-ru(2.5));
z6=(x5,y4l);
z7=z6-(ru(2.5),ru(2.5));
p1=curve.tl(z4l,.5,z3l,.7)--curve.bl(z3l,.7,z2l,.5)...z1l--
z1r...reversecurve.bl(z3r,.7,z2r,.6)--reversecurve.tl(z4r,.6,z3r,.6)--
beak(z4r,z5,z6,z7,z4l,1.2)--cycle;
showpoints(1,2,3,4,5,6,7);
draw_outlines;
endchar;
iff OK "D": "The letter D"; beginchar("D",13unit#,cap#,0);
top lft z1l=(round(ru(5)+smallu),h);
z2l=(x1l,h-c_thick_stem_bracket);
z2r=(x1r,h-c_round_bracket);
z3l=(x1l,c_thick_stem_bracket);
z3r=(x1r,c_round_bracket);
bot z4l=(x1l,0);
mpos(1,4)(stem,0);
z5l=(rt x1r+ru(4),y4);
z5r=(rt x1r+ru(3),y5l+Dbotthin);
rt z6l=(w-u-2smallu,.52h); pos6(Dcurve,180);
z7l=(rt x1r+ru(4),y1);
z7r=(rt x1r+ru(3.5),y7l-Dtopthin);
p1=leftserif(z1,z4,z2l,z2r,ru(4.5),bracket4)--
leftserif(z4,z1,z3l,z3r,ru(4.5),bracket4)--
curve.br(z5l,.5,z6l,.7)--curve.tr(z6l,.7,z7l,.5)--cycle;
p1''=curve.br(z5r,.5,z6r,.8)--curve.tr(z6r,.7,z7r,.5)...
{down}z2r...z3r{down}...{right}z5r--cycle;
showpoints(1,2,3,4,5,6,7);
draw_outlines;
endchar;
iff OK "E": "The letter E"; beginchar("E",(1+11)*unit#,cap#,0);
top lft z1l=(round(ru(5.5)),h);
z2l=(x1l,h-c_thick_stem_bracket);
z2r=(x1r,h-c_inner_bracket);
z3l=(x1l,c_thick_stem_bracket);
z3r=(x1r,c_inner_bracket);
bot z4l=(x1l,0);
mpos(1,4)(Estem,0);
bot rt z11=(w-unit,0);
top rt z12=(w-.5unit,3unit+ru(2));
z13=(.5w+.5unit,y4+Ebotarm);
z14=(min(x13,rt x4r+.5unit),y13);
rt z21=(w-ru(4),y1);
bot z22=(x21,top y1-3.5unit);
z23=(ru(19),y1-Etoparm);
z24=(rt x1r+.5unit,y23);
onaline(1r,4r)(31,35);
bot y31=.5h-smallu;
y35=y31+Emidarm;
rt z33=(w-(3.8unit),.5[y31,y35]);
x32=x34=x33;
bot y32=bot y31-2.5unit;
top y34=bot y32+6unit;
p1=leftserif(z4,z1,z3l,z3r,ru(4.75),.4)--
straightarm.br(z13,z12,z11,Ebot_tip,pullout)--z14{left}...{up}z3r--
z2r{up}...{right}z24--straightarm.tr(z23,z22,z21,Emid_tip,pulleven)--
leftserif(z1,z4,z2l,z2r,ru(4.75),.4)--cycle;
p1'=straightarm.br(z31,z32,z33,Emid_tip,pullin)--
straightarm.tr(z35,z34,z33,Emid_tip,pullin);
showpoints(1,2,3,4,11,12,13,14,21,22,23,24,31,32,33,34,35);
draw_outlines;
endchar;
iff OK "F": "The letter F"; beginchar("F",(1+10)*unit#,cap#,0);
top lft z1l=(round(ru(5.5)),h);
z2l=(x1l,h-c_thick_stem_bracket);
z2r=(x1r,h-c_inner_bracket);
z3l=(x1l,c_thick_stem_bracket);
z3r=(x1r,c_inner_bracket);
bot z4l=(x1l,0);
mpos(1,4)(Fstem,0);
rt z21=(w-.5unit,y1);
bot z22=(x21,top y1-3.5unit);
z23=(ru(19),y1-Etoparm);
z24=(rt x1r+.5unit,y23);
onaline(1r,4r)(31,35);
bot y31=.5h-smallu;
y35=y31+Emidarm;
rt z33=(w-3unit,.5[y31,y35]);
x32=x34=x33;
bot y32=bot y31-2.5unit;
top y34=bot y32+6unit;
p1=fullserif(z4,z1,z3l,z3r,ru(4.75),ru(6),bracket4)--z2r{up}...{right}z24--
straightarm.tr(z23,z22,z21,Emid_tip,pulleven)--
leftserif(z1,z4,z2l,z2r,ru(4.75),bracket4)--cycle;
p1'=straightarm.br(z31,z32,z33,Emid_tip,pullin)--
straightarm.tr(z35,z34,z33,Emid_tip,pullin);
showpoints(1,2,3,4,21,22,23,24,31,32,33,34,35);
draw_outlines;
endchar;
iff OK "G": "The letter G"; beginchar("G",(1+13)*unit#,cap#,0);
bot z2l=(max(7unit,.5w),-Gover);
y2r=y2l+Gbotthin;
x2r=x2l+(min(Gbotthin,abs(y2r-y2l)));
lft z3l=(round ru(2),.5h); pos3(Gcurve,0);
top z4l=(x2l,h+Gover);
y4r=y4l-Gtopthin;
x4r=x4l+(min(.5u,abs(y4r-y4l)));
bot rt z5=(w-round(2unit+.5u),h-3unit-ru(2.5));
z6=(x5,y4l);
z7=z6-(ru(2.5),ru(2.5));
top rt z11r=(rt x5+.5u,5unit+.5u);
bot z13r=(x11r,unit-2smallu);
mpos(11,13)(Gstem,0);
onaline(11r,13r)(12r); y12r=max(y11r-c_thick_stem_bracket,y13r);
onaline(11l,13l)(12l); y12l=max(y11l-c_thick_stem_bracket,y13r+unit);
p1=curve.tl(z4l,.5,z3l,.7)--curve.bl(z3l,.7,z2l,.5)--z2l{right}...z13r--
fullserif(z11,z13,z12l,z12r,ru(5.5),ru(4.5),bracket0)...{down}z13l...{left}z2r--
reversecurve.bl(z3r,.7,z2r,.6)--reversecurve.tl(z4r,.6,z3r,.6)--
beak(z4r,z5,z6,z7,z4l,1.2)--cycle;
showpoints(2,3,4,5,6,7,11,12,13);
draw_outlines;
endchar;
iff OK "H": "The letter H"; beginchar("H",(1+13)*unit#,cap#,0);
numeric H_inner_serif_amt;
top lft z1l=(round(3.75unit/2),h);
z2l=(x1l,h-c_thick_stem_bracket);
z3l=(x1l,c_thick_stem_bracket);
bot z4l=(x1l,0);
top rt z11r=(w-round(3.75unit/2),h);
z12r=(x11r,h-c_thick_stem_bracket);
z13r=(x11r,c_thick_stem_bracket);
bot z14r=(x11r,0);
mpos(1,2,3,4,11,12,13,14)(stem,0);
onaline(1r,4r)(5l,5r); bot y5l=bot y15l=.5cap-u;
onaline(11l,14l)(15l,15r); y5r=y15r=y5l+Hbar;
H_inner_serif_amt=ru(4.75);
if (x1r+H_inner_serif_amt+.5linethickness)>.5w: % keeps inner serifs
H_inner_serif_amt:=.5w-x1r-.5linethickness-1; % from merging
fi
p1=fullserif(z1,z4,z2l,z2r,ru(4.75),H_inner_serif_amt,bracket4)--
fullserif(z4,z1,z3l,z3r,ru(4.75),H_inner_serif_amt,bracket4)--cycle;
p2=fullserif(z11,z14,z12l,z12r,H_inner_serif_amt,ru(4.75),bracket4)--
fullserif(z14,z11,z13l,z13r,H_inner_serif_amt,ru(4.75),bracket4)--cycle;
p1'=z5r--z15r--z15l--z5l;
showpoints(1,2,3,4,5,11,12,13,14,15);
draw_outlines;
endchar;
iff OK "I": "The letter I"; beginchar("I",(1+6)*unit#,cap#,0);
top lft z1l=(round((w-stem-linethickness)/2),h);
z2l=(x1l,h-c_thick_stem_bracket);
z3l=(x1l,c_thick_stem_bracket);
bot z4l=(x1l,0);
mpos(1,2,3,4)(stem,0);
p1=fullserif(z1,z4,z2l,z2r,ru(5),ru(5),bracket4)--
fullserif(z4,z1,z3l,z3r,ru(5),ru(5),bracket4)--cycle;
showpoints(1,2,3,4);
draw_outlines;
endchar;
iff OK "J": "The letter J"; beginchar("J",(2+7)*unit#,cap#,descender#);
top rt z1r=(round(w-2unit),h);
z2r=(x1r,h-c_thick_stem_bracket);
z3r=(x1r,2unit);
z3l=(x1l,u);
mpos(1,2)(stem,0);
bot z10r=(w/3,-.45d);
z10l=z10r+(-smallu,Jbotthin);
lft z12l=(smallu,ru(2)); pos12(Jbulb,0);
top z13=(x12,2unit-smallu);
ref1=z12r...z12l...cycle;
z14= point 1.75 of ref1; z15=direction 1.75 of ref1;
z11=(x12r-.5unit,.5[y10l,y14]);
p1=fullserif(z1,z2,z2l,z2r,ru(5.5),ru(4.75),bracket4)--z3l{down}...z10l{left}...
z11{up}...z14{z15}...z12r{up}...z13{left}...z12l{down}... % bulb
curve.br(z10r,.65,z3r,.65)--cycle;
showpoints(1,2,3,10,11,12,13,14,15);
draw_outlines;
endchar;
iff OK "K": "The letter K"; beginchar("K",(1+13)*unit#,cap#,0);
numeric K_inner_serif_amt;
top lft z11l=(2unit,h);
z12l=(x11l,h-c_thick_stem_bracket);
z13l=(x11l,c_thick_stem_bracket);
bot z14l=(x11l,0);
mpos(11,12,13,14)(stem,0);
onaline(11r,14r)(3r,4);
bot y3r=.4cap;
top rt z1r=(w-2unit,cap);
mpos(1,3)(Kthin,angle(z1r-z3r)-90);
y2l=y2r=cap-Kthin_diag_bracket;
onaline(1l,3l)(2l,4);
onaline(1r,3r)(2r,21l);
onaline(1,3)(0); top y0=cap;
bot y21l=y3r+.5unit;
bot rt z23r=(w-ru(2),0);
mpos(21,23)(Kdiag,angle(z1r-z3r));
y22l=y22r=c_thick_stem_bracket;
onaline(21l,23l)(22l);
onaline(21r,23r)(22r);
onaline(21,23)(20); bot y20=0;
K_inner_serif_amt=ru(4.75);
if (x11r+K_inner_serif_amt+.5linethickness)>.5w:
K_inner_serif_amt:=.5w-x11r-.5linethickness-1;
fi
p1=fullserif(z11,z14,z12l,z12r,ru(4.75),K_inner_serif_amt,bracket4)--
fullserif(z14,z11,z13l,z13r,ru(4.75),K_inner_serif_amt,bracket4)--cycle;
p2=z3r--fullserif(z0,z3,z2l,z2r,ru(9),ru(3.5),bracket01)--z4--cycle;
p3=z21l--fullserif(z20,z21,z22l,z22r,ru(4),.5unit,bracket32)--z21r--cycle;
showpoints(0,1,2,3,4,11,12,13,14,20,21,22,23);
draw_outlines;
endchar;
iff OK "L": "The letter L"; beginchar("L",(1+11)*unit#,cap#,0);
top lft z1l=(round(ru(5.5)),h);
z2l=(x1l,h-c_thick_stem_bracket);
z3l=(x1l,c_thick_stem_bracket);
z3r=(x1r,c_inner_bracket);
bot z4l=(x1l,0);
mpos(1,2,4)(Lstem,0);
bot rt z11=(w-unit,0);
top rt z12=(w-.5unit,4unit);
z13=(.5w+.5unit,y4+Lthin);
z14=(min(x13,rt x4r+.5unit),y13);
p1=fullserif(z1,z4,z2l,z2r,ru(4.75),ru(4.5),bracket4)--
leftserif(z4,z1,z3l,z3r,ru(4.75),bracket4)--
straightarm.br(z13,z12,z11,Ltip,pullout)--z14{left}...{up}z3r--cycle;
showpoints(1,2,3,4,11,12,13,14);
draw_outlines;
endchar;
iff OK "M": "The letter M"; beginchar("M",(1+16)*unit#,cap#,0);
lft x4l=ru(5.6); bot y4=0;
rt x14r=w-2unit; bot y14=0;
top z1l=(x4l,h);
top z11r=(x14r,h);
mpos(1,3,4)(Mthin_vert,0);
mpos(11,12,13,14)(Mstem,0);
onaline(1,4)(3); y12l=h-c_thick_stem_bracket;
onaline(11,14)(12,13); y3l=y13l=c_thick_stem_bracket;
bot z22=(x1r+.5(x11l-x1r-Mapex),0); pos22(Mapex,0);
top z24=(x11l-u,h);
top z26=(rt x1r+Mdiag,h);
top z25=(.5[x24,x26],3unit+ru(2)); pos25(u,0);
bot y23=h-ru(4);
(z23-z22r)=whatever*(z24-z25r);
bot y21=h-ru(5);
(z21-z22l)=whatever*(z26-z25l);
onaline(26,25l)(30r,31r); onaline(21,22l)(30l,31l);
y30=y30l=y30r=h-.5linethickness; x30=.5[x30l,x30r];
y31=y31l=y31r=0; x31=.5[x31l,x31r];
ref1=leftserif(z30,z31,z21,z25r,ru(5.5),bracket0)--z22l;
z2l=ref1 intersectionpoint ((x3l,0)--(x3l,h));
z2r=ref1 intersectionpoint ((x3r,0)--(x3r,h));
p1=fullserif(z4,z3,z3l,z3r,ru(4.7),ru(5),bracket0)--z2r--z2l--cycle;
p2=z22r--z23--(x11l,y24)--z24--z25r--z25l--z26--ref1--cycle;
p3=fullserif(z14,z13,z13l,z13r,ru(4.7),ru(5),bracket0)--
rightserif(z11,z12,z12l,z12r,ru(4.7),bracket0)--(x11l,y24)--cycle;
showpoints(1,2,3,4,11,12,13,14,21,22,23,24,25,26,30,31);
draw_outlines;
endchar;
iff OK "N": "The letter N"; beginchar("N",13unit#,cap#,0);
bot lft z1l=(round 2unit,0); mpos(1,2,11,12)(Nthin,0);
z2=(x1,c_thin_stem_bracket);
z3=(x1l,h-ru(4));
top rt z11r=(round (w-ru(5.3)),h);
z12=(x11,h-c_thin_stem_bracket);
bot z22=(x11r,-Napex);
z23l=z22-(Ntip,0); mpos(4,23)(Ndiag,angle(z3-z23l)-90);
% onaline(1r,2r)(4l); bot z4l=whatever[z3,z23l];
onaline(1r,2r)(4l); z4l=whatever[z3,z23l];
onaline(11l,12l)(14); onaline(4r,23r)(13,14);
top y21=h; z21=whatever[z14,1.05[z4l,z4r]];
onaline(4,23)(20); y20=y21;
onaline(11r,12r)(13);
p1=leftserif(z20,z4,z4l,z4r,ru(2.5),bracket0)--z23l--z22--z13--z21--cycle;
p1'=z3--fullserif(z1,z2,z2l,z2r,ru(4.7),ru(5),bracket3)--z4l;
p2'=z13--fullserif(z11,z12,z12l,z12r,ru(5),ru(4.2),bracket3)--z14;
showpoints(1,2,3,4,11,12,13,14,20,21,22,23);
draw_outlines;
endchar;
iff OK "O": "The letter O"; beginchar("O",(1+13)*unit#,cap#,descender#);
top z1l=(.5w,h+Oover); pos1(Othin,-90);
lft z2l=(round(ru(1.8)),.5h); pos2(Ocurve,0);
bot z3l=(.5w,-Oover); pos3(Othin,90);
rt z4l=(round(w-ru(1.8)),.5h); pos4(Ocurve,180);
p1=curve.tl(z1l,.5,z2l,.7)--curve.bl(z2l,.7,z3l,.5)--
curve.br(z3l,.5,z4l,.7)--curve.tr(z4l,.7,z1l,.5)--cycle;
p1''=curve.tl(z1r,.6,z2r,.7)--curve.bl(z2r,.7,z3r,.6)--
curve.br(z3r,.6,z4r,.7)--curve.tr(z4r,.7,z1r,.6)--cycle;
showpoints(1,2,3,4);
draw_outlines;
endchar;
iff OK "P": "The letter P"; beginchar("P",(1+10)*unit#,cap#,0);
top lft z1l=(round(ru(5)+smallu),h);
z2l=(x1l,h-c_thick_stem_bracket);
z2r=(x1r,h-c_round_bracket);
z3l=(x1l,c_thick_stem_bracket);
z3r=(x1r,c_inner_bracket);
bot z4l=(x1l,0);
mpos(1,4)(stem,0);
z5l=(rt x1r+ru(4),y1);
z5r=(rt x1r+ru(3),y1-Pthin);
rt z6l=(w-2smallu,.5[y5l,y7l]); pos6(Pcurve,180);
onaline(1r,4r)(8l,8r); bot y8l=5.5unit; y8r=y8l+Pmidarm;
z7l=(rt x1r+ru(4),y8l-round(.2smallu));
z7r=(rt x1r+ru(3),y8l+Pthin);
p1=leftserif(z1,z4,z2l,z2r,ru(4.5),bracket4)--
fullserif(z4,z1,z3l,z3r,ru(4.5),ru(4.8),bracket4)--z8l{right}...
curve.br(z7l,.5,z6l,.7)--curve.tr(z6l,.7,z5l,.6)--cycle;
p1'=z8l--z8r;
p1''=z8r--curve.br(z7r,.6,z6r,.8)--curve.tr(z6r,.8,z5r,.7)...
{down}z2r--cycle;
showpoints(1,2,3,4,5,6,7,8);
draw_outlines;
endchar;
iff OK "Q": "The letter Q"; beginchar("Q",(1+13)*unit#,cap#,descender#);
top z1l=(.5w,h+Oover); pos1(Othin,-90);
lft z2l=(round(ru(1.8)),.5h); pos2(Ocurve,0);
bot z3l=(.5w,-Oover); pos3(Othin,90);
rt z4l=(round(w-ru(1.8)),.5h); pos4(Ocurve,180);
ref1=curve.bl(z2l,.7,z3l,.5)--curve.br(z3l,.5,z4l,.7);
ref2=(.35w,-d)--(.35w,h);
ref3=(.35w+stem+2linethickness,-d)--(.35w+stem+2linethickness,h);
lft z11=ref1 intersectionpoint ref2;
bot rt z13r=(round(w-ru(2.5)),-d+4smallu);
bot z12=(.6[x11,x13r],-d-round(2smallu));
ref4=z12{right}...z13r;
pos13(serif_thickness,angle(z13r-precontrol 1 of ref4)-90);
z14=z13l-(ru(3.5),.5u);
rt z15=ref1 intersectionpoint ref3;
p1=curve.tl(z1l,.5,z2l,.7)--ref1--curve.tr(z4l,.7,z1l,.5)--cycle;
p1'=z11...z12{right}...z13r--z13l...z14{left}...z15;
p1''=curve.tl(z1r,.6,z2r,.7)--curve.bl(z2r,.7,z3r,.6)--
curve.br(z3r,.6,z4r,.7)--curve.tr(z4r,.7,z1r,.6)--cycle;
showpoints(1,2,3,4,11,12,13,14,15);
draw_outlines;
endchar;
iff OK "R": "The letter R"; beginchar("R",(1+12)*unit#,cap#,0);
top lft z1l=(round(ru(5)+2smallu),h);
z2l=(x1l,h-c_thick_stem_bracket);
z2r=(x1r,h-c_round_bracket);
z3l=(x1l,c_thick_stem_bracket);
z3r=(x1r,c_inner_bracket);
bot z4l=(x1l,0);
mpos(1,4)(stem,0);
z5l=(rt x1r+ru(5),y1);
z5r=(rt x1r+ru(3),y1-Rthin);
rt z6r=(w-(ru(5.0)),.5[y5l,y8l]); pos6(Rcurve,0);
onaline(1r,4r)(8l,8r); bot y8l=5.6unit; y8r=y8l+Rthin;
ref1=curve.br(z8l,.5,z6r,.9);
ref2=(rt x4r+.5unit,0)--(rt x4r+.5unit,h);
ref3=(x4r+stem+2linethickness,0)--(x4r+stem+2linethickness,h);
lft z11l=ref1 intersectionpoint ref2;
rt z13l=(w-u,y4); pos13(serif_thickness,90);
lft z12l=(w-4unit,y13l);
z14=z13r-(ru(3),0);
top rt z15=ref1 intersectionpoint ref3;
p1=leftserif(z1,z4,z2l,z2r,ru(4.8),bracket4)--
fullserif(z4,z1,z3l,z3r,ru(4.8),ru(4.8),bracket4)--
curve.br(z8l,.6,z6r,.9)--curve.tr(z6r,.7,z5l,.5)--cycle;
p1'=z8l--z8r;
p2'=z11l--z12l--z13l--z13r{left}
if lowres:..tension 10.. else:... fi{z15-z14}z15;
p1''=z8r--curve.br(z8r,.8,z6l,.9)--curve.tr(z6l,.9,z5r,.5)...
{down}z2r--cycle;
showpoints(1,2,3,4,5,6,8,11,12,13,14,15);
draw_outlines;
endchar;
iff OK "S": "The letter S"; beginchar("S",10unit#,cap#,0);
top z1r=(.5w-u,h+Sover_top); pos1(Stopthin,90);
rt z3=(w-ru(4),y1r);
x4=.3[x3,x1r]; y4=y3-ru(1.5);
bot z2=top z3-(0,4unit-smallu);
bot z11l=(.5w-u,-Sover_bot); pos11(Sbotthin,90);
lft z13=(ru(2),y11l);
x14=.3[x13,x11l]; y14=y13+ru(1.5);
top z12=bot z13+(0,4.5unit);
z21l=(ru(2.5),.73h);
y21r=.35[y21l,y1r]; rt x21r=.48[x21l,x1r];
z22=(.5w,.52h); pos22(stem,37);
z23r=(w-ru(2)-smallu,.28h);
y23l=.7[y11l,y23r]; lft x23l=.53[x11l,x23r];
p1=beak(z1l,z2,z3,z4,z1r,1.2)--curve.tl(z1r,.65,z21l,.65)...
z22l...
reversecurve.br(z11r,.7,z23l,.7)--
beak(z11r,z12,z13,z14,z11l,1.2)--
curve.br(z11l,.6,z23r,.6)...1.1[z22l,z22r]...
reversecurve.tl(z1l,.6,z21r,.6)--cycle;
showpoints(1,2,3,4,11,12,13,14,21,22,23);
draw_outlines;
endchar;
iff OK "T": "The letter T"; beginchar("T",(1+11)*unit#,cap#,0);
mpos(1,2,3)(stem,0);
bot lft z1l=(round((w-stem-linethickness)/2),0);
z2l=(x1l,c_thick_stem_bracket);
top z4=(x1,h);
bot y5l=top y4-(3unit+ru(2)); onaline(1,4)(5);
mpos(4,5)(round(w-ru(3.5)-linethickness),0);
z3l=(x1l,y4-Tthin);
p1=straightarm.br(z3r,z5r,z4r,Ttip,pulleven)--
straightarm.bl(z3l,z5l,z4l,Ttip,pulleven)--cycle;
p1'=z3l--fullserif(z1,z4,z2l,z2r,ru(5.25),ru(5.25),bracket4)--z3r;
showpoints(1,2,3,4,5);
draw_outlines;
endchar;
iff OK "U": "The letter U"; beginchar("U",13unit#,cap#,0);
top lft z1l=(round(ru(5)+smallu),h);
z2l=(x1l,h-c_thick_stem_bracket);
z3l=(x1l,4unit);
top rt z11r=(w-round(ru(5.5)),h);
z12r=(x11r,h-Uthin_bracket);
z13r=(x11r,4.5unit);
mpos(1,2,3)(Ustem,0);
mpos(11,12,13)(Uthin,0);
bot z10r=(.5w,-Uover);
z10l=z10r+(.5unit,Uthin);
p1=fullserif(z1,z2,z2l,z2r,ru(4.5),ru(5),bracket4)--
curve.bl(z3l,.65,z10r,.65)--curve.br(z10r,.65,z13r,.65)--
fullserif(z11,z12,z12l,z12r,ru(4.75),ru(4.75),bracket01)--z13l{down}--
reversecurve.br(z10l,.65,z13l,.65)--
reversecurve.bl(z3r,.7,z10l,.7)--cycle;
showpoints(1,2,3,10,11,12,13);
draw_outlines;
endchar;
iff OK "V": "The letter V"; beginchar("V",13unit#,cap#,0);
bot z20=(.51w,-Vapex); pos20(Vtip,0);
top y3=h; z3r=whatever[z20r,(w-round(unit+2smallu),h)];
top y6=h; z6l=whatever[z20l,(unit,h)];
z20r=z1r; z20l=z4l;
mpos(1,3)(Vthin,constant_angle((w-round(unit+2smallu),h),z20r,0));
mpos(4,6)(stem,constant_angle((unit,h),z20l,0));
onaline(1r,3r)(2r); y2r=h-c_round_bracket;
onaline(1l,3l)(2l); y2l=h-c_inner_bracket;
onaline(4r,6r)(5r); y5r=h-c_inner_bracket;
onaline(4l,6l)(5l); y5l=h-c_thick_stem_bracket;
z40=whatever[.8[z1r,z1l],z2l]; z40=whatever[.8[z4l,z4r],z5r];
p1=z20l--z20r--rightserif(z3,z1,z2l,z2r,ru(3),bracket0)--
leftserif(z3,z1,z40,z2r,ru(7),bracket0)--z40--
rightserif(z6,z4,z5l,z40,ru(7),bracket32)--
leftserif(z6,z4,z5l,z5r,ru(2.5),bracket0)--z20l--cycle;
showpoints(1,2,3,4,5,6,20,40);
draw_outlines;
endchar;
iff OK "W": "The letter W"; beginchar("W",(1+17)*unit#,cap#,0);
bot z20=(.3w,-Wapex); pos20(Wtip,0);
top y3=h; z3r=whatever[z20r,(.6w,h)];
top y6=h; z6l=whatever[z20l,(unit,h)];
z20r=z1r; z20l=z4l;
mpos(1,3)(Wleftthin,constant_angle((.6w,h),z20r,0));
mpos(4,6)(stem,constant_angle((unit,h),z20l,0));
onaline(1r,3r)(2r); y2r=h-c_round_bracket;
onaline(1l,3l)(2l); y2l=h-c_inner_bracket;
onaline(4r,6r)(5r); y5r=h-c_inner_bracket;
onaline(4l,6l)(5l); y5l=h-c_thick_stem_bracket;
z40=whatever[.8[z1r,z1l],z2l]; z40=whatever[.8[z4l,z4r],z5r];
bot z21=(.7w,-Wapex); pos21(Wtip,0);
top y13=h; z13r=whatever[z21r,(w-unit,h)];
top y16=h; z16l=whatever[z21l,(.44w,h)];
z21r=z11r; z21l=z14l;
mpos(11,13)(Wrightthin,constant_angle((w-unit,h),z21r,0));
mpos(14,16)(stem,constant_angle((.44w,h),z21l,0));
onaline(11r,13r)(12r); y12r=h-c_round_bracket;
onaline(11l,13l)(12l); y12l=h-c_inner_bracket;
onaline(14r,16r)(15r); y15r=h-c_inner_bracket;
onaline(14l,16l)(15l); y15l=h-c_thick_stem_bracket;
z41=whatever[.8[z11r,z11l],z12l]; z41=whatever[.8[z14l,z14r],z15r];
ref1=leftserif(z16,z14,z15l,z15r,ru(2.5),bracket0)--z21l;
z30=ref1 intersectionpoint (z20r--z3r);
z31=ref1 intersectionpoint (z40--z3l);
p1=z21l--z21r--rightserif(z13,z11,z12l,z12r,ru(2),bracket0)--
leftserif(z13,z11,z41,z12r,ru(7),bracket0)--z41--
rightserif(z16,z14,z15l,z41,ru(6),bracket32)--
ref1--cycle;
p2=z20l--z20r--z30--z31--z40--
rightserif(z6,z4,z5l,z40,ru(5),bracket32)--
leftserif(z6,z4,z5l,z5r,ru(2),bracket0)--z20l--cycle;
showpoints(1,2,3,4,5,6,11,12,13,14,15,16,20,21,30,31,40,41);
draw_outlines;
endchar;
iff OK "X": "The letter X"; beginchar("X",13unit#,cap#,0);
numeric botjoin,topjoin,joinwidths;
botjoin=.42h; topjoin=.62h;
top z1=(.2w,h);
bot z3=(.8w,0);
z2r=.5[z1r,z3r];
mpos(1,3)(Xdiag,constant_angle(z1,z3,0));
pos2(.9Xdiag,constant_angle(z1,z3,0));
ref1=leftserif(z1,z3,z2l,z2r,ru(2.5),bracket4)...
leftserif(z3,z1,z2l,z2r,ru(7),bracket42);
ref2=rightserif(z3,z1,z2l,z2r,ru(2),bracket42)--
rightserif(z1,z3,z2l,z2r,ru(6),bracket4);
bot z4=ref1 intersectionpoint ((0,botjoin)--(w,botjoin));
top z9=ref2 intersectionpoint ((0,topjoin)--(w,topjoin));
bot z6=(.12w,0); top z7=(.8w,h);
mpos(4,6)(Xthin,constant_angle(z4,z6,0));
mpos(7,9)(Xthin,constant_angle(z7,z9,0));
onaline(4l,6l)(5l); y5l=y5r=Xthin_diag_bracket;
onaline(4r,6r)(5r);
onaline(7r,9r)(8r); y8r=y8l=h-Xthin_diag_bracket;
onaline(7l,9l)(8l);
ref3=fullserif(z6,z4,z5l,z5r,ru(2.5),ru(8),bracket01);
ref4=z5l--2[z5l,z4l];
ref5=fullserif(z7,z9,z8l,z8r,ru(7),ru(5),bracket01);
ref6=z8r--2[z8r,z9r];
z21=ref1 intersectionpoint (ref3--z4r);
z22=ref1 intersectionpoint ref4;
z23=ref2 intersectionpoint (ref5--z9l);
z24=ref2 intersectionpoint ref6;
p1=ref1--ref2--cycle;
p2=z22--ref3--z21--cycle;
p3=z24--ref5--z23--cycle;
showpoints(1,2,3,4,5,6,7,8,9,21,22,23,24);
draw_outlines;
endchar;
iff OK "Y": "The letter Y"; beginchar("Y",13unit#,cap#,0);
bot lft z3l=(5unit,0);
z2l=z3l+(0,c_thick_stem_bracket);
mpos(2,3)(stem,0);
onaline(2l,3l)(1l); y1l=.39h;
onaline(2r,3r)(1r); y1r=.45h;
top lft z4l=(unit,h);
z6l=z1l;
mpos(4,6)(Ythick_diag, constant_angle(z4l,z6l,0));
onaline(4l,6l)(5l); y5l=y5r=h-c_thick_stem_bracket;
onaline(4r,6r)(5r);
onaline(4,6)(20); top y20=h;
top rt z7r=(w-unit,h);
z9r=z1r;
mpos(7,9)(Ydiag, constant_angle(z7r,z9r,0));
onaline(7l,9l)(8l); y8l=y8r=h-Ythin_diag_bracket;
onaline(7r,9r)(8r);
onaline(7,9)(21); top y21=h;
ref1=z5r--1.5[z5r,z6r];
ref2=z8l--1.5[z8l,z9l];
z22=ref1 intersectionpoint ref2;
p1=fullserif(z20,z6,z5l,z5r,ru(2),ru(4),bracket4)--z1l--
fullserif(z3,z2,z2l,z2r,ru(5),ru(5),bracket4)--z1r--
fullserif(z21,z9,z8l,z8r,ru(8),ru(2),bracket01)--z22--cycle;
showpoints(1,2,3,4,5,6,7,8,9,20,21,22);
draw_outlines;
endchar;
iff OK "Z": "The letter Z"; beginchar("Z",(1+11)*unit#,cap#,0);
top lft z1=(ru(4)+smallu,h);
bot lft z2=(ru(3)+smallu,top y1-3.5unit);
z3=(.5w,y1-Zthin);
bot lft z5l=(.5unit,0);
rt z15r=(w-ru(3)-smallu,y1);
mpos(5,15)(Zdiag,constant_angle(z15r,z5l,Zdiag));
rt z11=(w-ru(3.2),y5l);
top rt z12=(w-ru(1.7),4unit+u);
z13=(.55w,y11+Zthin);
onaline(5l,15l)(4); y4=y3;
onaline(5r,15r)(14); y14=y13;
p1=straightarm.tl(z3,z2,z1,Ztip,pulleven)--z4--z5l--
straightarm.br(z13,z12,z11,Ztip,pulleven)--z14--z15r--cycle;
showpoints(1,2,3,4,5,11,12,13,14,15);
draw_outlines;
endchar;
% ----- Phase 3 -----
iff OK "k": "The letter k"; beginchar(oct"174",(1+9)*unit#,ascender#,0);
top lft z11l=(unit+.5u,h);
bot z14l=(x11l,0);
mpos(11,14)(kstem,0);
onaline(11r,14r)(3r,4,12r,13r);
bot y3r=.4xheight; y12l=h-lc_thick_stem_bracket; top y12r=h;
onaline(11l,14l)(12l,13l);
y13l=y13r=lc_thick_stem_bracket;
top rt z1r=(w-1.5unit,xheight);
mpos(1,3)(kthin,angle(z1r-z3r)-90);
y2l=y2r=xheight-k_thin_diag;
onaline(1l,3l)(2l,4);
onaline(1r,3r)(2r,21l);
onaline(1,3)(0); top y0=xheight;
y21l=y3r+.5unit;
bot rt z23r=(w-ru(2),0);
mpos(21,23)(kdiag,angle(z1r-z3r));
y22l=y22r=lc_thick_stem_bracket;
onaline(21l,23l)(22l);
onaline(21r,23r)(22r);
onaline(21,23)(20); bot y20=0;
p1=fullserif(z14,z11,z13l,z13r,ru(2.5),ru(2.5),bracket0)--z12r--
leftserif(z11,z14,z12l,z12r,ru(2.5),bracket0)--cycle;
p2=z3r--fullserif(z0,z3,z2l,z2r,ru(7),ru(2.5),bracket01)--z4--cycle;
p3=z21l--fullserif(z20,z21,z22l,z22r,ru(4),u,bracket32)--z21r--cycle;
showpoints(0,1,2,3,4,11,12,13,14,20,21,22,23);
draw_outlines;
endchar;
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