path: root/Master/texmf-dist/fonts/source/lh/base/lgrusu.mf

%
% lgrusu.mf
%
%% Cyrillic font container with T2 encoding beta-support
%
% This file is future part of lxfonts package
% Version 3.4 // Patchlevel=1
% (c) O.Lapko
%
% This package belongs to the public domain under conditions similar to
% those of D. E. Knuth specified for the Computer Modern family of fonts.
% In particular, only the authors are entitled to modify this file
% and to save it under the same name.
%
% Content:
%
% Uppercase Russian letters from a to ya and yo
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

LHver_check(3,4); % like |version_check| in ec

lhchar "Uppercase Russian letter A";
cyrchar(A,13u#,cap_height#,0);
if is_small_cap: getcharcode(a); fi
adjust_fit(cap_serif_fit#,cap_serif_fit#);
% upper_a;
numeric left_stem,right_stem,outer_jut,alpha; outer_jut=.8cap_jut;
x1l=w-x4r=l+letter_fit+outer_jut+.5u;
right_stem=cap_stem-stem_corr;
left_stem=min(cap_hair if hefty: -3stem_corr fi,right_stem);
y1=y4=0; x2-x1=x4-x3; x3r=x2r+apex_corr; y2=y3=h+apex_o+apex_oo;
alpha=diag_ratio(2,left_stem,y2-y1,x4r-x1l-apex_corr);
penpos1(alpha*left_stem,0); penpos2(alpha*left_stem,0);
penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,0);
z0=whatever[z1r,z2r]=whatever[z3l,z4l];
if y0<h-cap_notch_cut:
 y0:=h-cap_notch_cut;
 fill z0+.5right{down}...{z4-z3}diag_end(3l,4l,1,1,4r,3r)
  --diag_end(4r,3r,1,1,2l,1l)--diag_end(2l,1l,1,1,1r,2r){z2-z1}
  ...{up}z0+.5left--cycle; % left and right diagonals
else: fill z0--diag_end(0,4l,1,1,4r,3r)--diag_end(4r,3r,1,1,2l,1l)
  --diag_end(2l,1l,1,1,1r,0)--cycle; fi % left and right diagonals
penpos5(whatever,angle(z2-z1)); z5=whatever[z1,z2];
penpos6(whatever,angle(z3-z4)); z6=whatever[z3,z4]; y6=y5;
if hefty: y5r else: y5 fi =5/12y0;
y5r-y5l=y6r-y6l=cap_band; penstroke z5e--z6e; % bar line
if serifs:
 numeric inner_jut; pickup tiny.nib;
 prime_points_inside(1,2); prime_points_inside(4,3);
 if rt x1'r+cap_jut+.5u+1<=lft x4'l-cap_jut: inner_jut=cap_jut;
  else: rt x1'r+inner_jut+.5u+1=lft x4'l-inner_jut; fi
 dish_serif(1',2,a,1/2,outer_jut,b,.6,inner_jut)(dark);  % left serif
 dish_serif(4',3,c,1/2,inner_jut,d,1/3,outer_jut); fi  % right serif
%%%%%
penlabels(0,1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter B";
cyrchar(B,12.5u#,cap_height#,0);
if is_small_cap: getcharcode(b); fi
italcorr cap_height#*slant-beak_jut#-1.5u#; %Gamma
adjust_fit(cap_serif_fit#,0);
numeric left_stem; left_stem=cap_stem-hround 2stem_corr;
pickup tiny.nib; pos1(left_stem,0); pos2(left_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5left_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
% upper right beak
pickup crisp.nib; pos3(slab,90); pos4(hair,0);
top y3r=h; x3=x1; rt x4r=hround(w-2u); y4=good.y(y3l-beak)-eps;
arm(3,4,e,beak_darkness,beak_jut);
if serifs:
 nodish_serif(1,2,a,1/3,cap_jut,b,1/3,.5cap_jut);  % upper serif
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,.5cap_jut); fi  % lower serif
% usftsn_bowl(2);
_zero:=2;
_one:=5; _two:=6; _three:=7; _four:=8; _five:=9;
%
pickup tiny.nib;
penpos[_one](cap_bar,90);
penpos[_three](cap_curve if hefty:-3stem_corr fi,0);
penpos[_four](cap_band,-90); penpos[_five](cap_band,-90);
z[_five]r=bot z[_zero]; y[_four]=y[_five];
y[_three]=.5[y[_four],y[_two]];
x[_one]=x[_zero]r; x[_three]r=hround(w-u);
if (serifs=false) or (cap_bar#>.5cap_curve#) or (cap_bar<3):
 penpos[_two](cap_bar,90);
 x[_four]=.5[x[_zero],w-if serifs:1.5u else:2.5u fi]+.5u;
 y[_one]=y[_two]=.52h; x[_two]=x[_four];
else: penpos[_two](1/18[cap_bar,cap_curve],90);
 x[_four]=.5[x[_zero],w-1.5u]+.5u;
 y[_one]l=y[_two]l-.35cap_bar=.52h-.5cap_bar;
 x[_two]=x[_four]-.35u; fi
x[_two]l:=x[_two]l-.5u; x[_four]l:=x[_four]l-.5u;
fill stroke z[_five]e..super_arc.e([_four],[_three])
 & super_arc.e([_three],[_two])..z[_one]e; % lobe
%%%%%
penlabels(0,1,2,3,4,5,6,7,8,9); endchar;

lhchar "Uppercase Russian letter V (looks like B)";
cyrchar(V,12.5u#,cap_height#,0); %V_width#=12.5u#
if is_small_cap: getcharcode(v); fi
italcorr .75cap_height#*slant-u#; %P-.5u#
adjust_fit(cap_serif_fit#,0);
numeric left_stem,right_curve,middle_weight;
left_stem=cap_stem-hround 2stem_corr; middle_weight=.6vair+.5;
pickup tiny.nib; pos1(left_stem,0); pos2(left_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5left_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
penpos3(cap_band,90); penpos4(cap_band,90);
penpos6(middle_weight,-90); penpos7(middle_weight,-90);
penpos8(middle_weight,90); penpos9(middle_weight,90);
penpos5(right_curve-stem_corr,0); penpos10(right_curve,0);
penpos11(cap_band,-90); penpos12(cap_band,-90);
z3r=top z1; y4=y3; y5=.5[y4,y6]; y6=y7; y7l-y8l=vair; .5[y7l,y8l]=.52h;
z12r=bot z2; y11=y12; y10=.5[y11,y9]; y9=y8;
x4=x6; x9=x11=x4+.5u; x7=x8=x1; x9l:=x4+.25u;
x10r=hround(w-u); x5r=min(x10r-1,hround(w-1.5u));
if serifs:
 right_curve=cap_curve-stem_corr; x4=.5[x1,w-1.5u];
else:
 right_curve=cap_curve-3stem_corr; x4=.5[x1,w-2.5u];
 x4l:=x4l-.5u; x9l:=x9l-.5u; fi
x6l:=x6l-.5u; x11l:=x11l-.5u;
fill stroke z3e..super_arc.e(4,5) & super_arc.e(5,6)..z7e;  % upper lobe
fill stroke z8e..super_arc.e(9,10) & super_arc.e(10,11)..z12e;  % lower lobe
if serifs:
 nodish_serif(1,2,a,1/3,cap_jut,b,1/3,.5cap_jut);  % upper serif
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,.5cap_jut); fi  % lower serif
penlabels(1,2,3,4,5,6,7,8,9,10,11,12); endchar;

lhchar "Uppercase Russian letter G (looks like Gamma)";
cyrchar(G,if monospace: 9u# else: 11u# fi-width_adj#, %G_width
 cap_height#,0);
if is_small_cap: getcharcode(g); fi
italcorr cap_height#*slant-beak_jut#-.25u#; %Gamma
adjust_fit(cap_serif_fit#,0);
% upper_g;
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
lft x1l=lft x2l=hround max(2u ,3u-.5cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
pickup crisp.nib; pos3(slab,90); pos4(hair,0);
top y3r=h; x3=x1; rt x4r=hround(w-.75u); y4=good.y(y3l-beak)-eps;
arm(3,4,e,beak_darkness,beak_jut);  % upper arm and beak
if serifs:
 nodish_serif(1,2,a,1/3,cap_jut,b,1/3,.5cap_jut);  % upper serif
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,1.25cap_jut); fi % lower serif
%%%%%
penlabels(1,2,3,4); endchar;

iff not concrete:%
lhchar "Uppercase Russian letter D";
cyrchar(D,13.5u#,cap_height#,cap_sbeak#); % DL_width:N_width
if is_small_cap: getcharcode(d); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit# if not serifs:
	+\\.5(cap_stem#-u#),.5(cap_stem#-u#)+ else:,fi\\ cap_serif_fit#); %D_adj
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
rt x1r=rt x2r=w-hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; %right stem
numeric light_hair,light_stem,outer_jut;
light_hair=max(tiny.breadth,fudged.hair if hefty:-4stem_corr fi);
light_stem=max(tiny.breadth+eps,min(fudged.stem,fudged.hair if hefty:-4stem_corr fi));
outer_jut=
   if serifs: max(limit_dist,1.1cap_jut)
   else:      hround (r-rt x2r-.65u) fi;
penpos3(light_hair,0); penpos0(light_hair,0); x0=x3-eps; y0=0; y3=h;
x3=1/3[w-rt x1r-1/6(outer_jut if not serifs:-.5(cap_stem-u) fi),rt x1r]
    if not serifs:-.5(cap_stem-u) fi +eps;
x2'=x2; y2'=if serifs: 2/3 else: 3/4 fi h;
x4l=w-rt x1r-1/3outer_jut-eps; y4l=slab;
penpos4(light_hair,angle((y2',-x2')-(y4l,-x4l))); if y4r<0: y4r:=0; fi
fill z4l{z2'-z4}...{up}diag_end(0l,3l,1,1,3r,0r){down}
 ...{z4-z2'}z4r--cycle; %left stem
numeric inner_jut; inner_jut=min(.5(lft x1l-x3r)-eps,.5cap_jut);
if serifs:
 prime_points_inside(3,0);
 nodish_serif(3',0,a,1/3,cap_jut,b,1/3,inner_jut); % upper left serif
 nodish_serif(1,2,c,1/3,inner_jut,d,1/3,cap_jut);  % upper right serif
 filldraw z.b0--z.b1--z.c1--z.c0--cycle; % upper inter_serif bar
else:
 pos3''(slab,90); pos1'(slab,90);
 lft x3''=x3l; top y3''r=top y1'r=h; rt x1'=x1;
 filldraw stroke z3''e--z1'e; fi % upper bar
% upper descenders
numeric arm_thickness; arm_thickness=vround(slab+vair_corr+eps);
save slab; slab:=arm_thickness; % bottom.bar.slab
r_serif(2,1,e,1/3,inner_jut,f,1/3,beak_darkness,outer_jut,beak_jut); % lower right serif
% upper de_serif
y5=y.f1; y0'=y.f4; x5=good.x(w-x.f1); y6=y7=y.f3;
x6=good.x(w-x.f2); x7=good.x(w-x.f3);
pair beak_corner; ypart beak_corner=y0'; beak_corner=z7+whatever*(z5-z6);
x8=good.x(w-x.f4); x0'=w-x.e1; y8=y0';
filldraw z5--z6--z7{z5-z6}
    ...beak_darkness[beak_corner,.5[z7,z8]]
    ...{right}z8---z0'--(x0',y5)--cycle; % de_serif
filldraw z.f1--z.f4--z0'--(x0',y5)--cycle; % lower inter_serif bar
if serifs:
   numeric bracket_height;
   bracket_height=min(y2+bracket,y1);
   if bracket_height>y4l:
      path p.r,p.l; y5:=top y5;
      p.r=(z4r{z2'-z4}...{up}z3r); p.l=(z4l{z2'-z4}...{up}z3l);
      forsuffixes e=l,r:
          z9e=((0,bracket_height)--(w,bracket_height)) intersectionpoint p.e;
      endfor
      vardef t (suffix @) =
          angle direction directiontime z9@ of p.@ of p.@ enddef;
      fill z9l{dir (t(l)+180)}...1/3[(x4l,y5),.5[z9l,z5]]{z5-z9l}
          ...{left}z5--(x5,y0')--z0'--(x0',y5)
          --(x8-1/3outer_jut-eps,y5){left}
          ...{dir t(r)}z9r--cycle; % top part of de_serif
   fi
fi
penlabels(0',1,2,3,4,5,6,7,8,9); endchar;

lhchar "Uppercase Russian letter E";
cyrchar(E,12u#-width_adj#,cap_height#,0);
if is_small_cap: getcharcode(e); fi
italcorr cap_height#*slant-beak_jut#-.5u#;
adjust_fit(cap_serif_fit#,0);
% upper_e;
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
pickup crisp.nib; pos3(slab,90); pos4(hair,0);
top y3r=h; x3=x1; rt x4r=hround(w-u); y4=good.y(y3l-beak)-eps;
arm(3,4,e,beak_darkness,beak_jut);  % upper arm and beak
pos5(cap_bar,-90); pos6(hair,0);
top y5l=vround(.52[y2,y1]+.5cap_bar); x5=x1;
pos0(cap_bar,90); pos7(hair,0);
z0=z5; x6=x7; y6-y5l=y0l-y7;
if serifs:
 rt x6r=hround(w-4.4u+.5hair); y6=good.y(y5l+.6beak)+eps;
 rt x9r=hround(w-.5u);
else:
 rt x6r=hround(w-1.5u); y6=y5l+eps; rt x9r=hround(w-.75u); fi
arm(5,6,f,beak_darkness,0); arm(0,7,g,beak_darkness,0);  % middle arm and serif
pos8(slab if not serifs:+2stem_corr fi,-90); pos9(hair,0);
bot y8r=0; x8=x2; y9=good.y(y8l+7/6beak)+eps;
arm(8,9,h,beak_darkness,1.5beak_jut);  % lower arm and beak
if serifs:
 nodish_serif(1,2,a,1/3,cap_jut,b,1/3,.5cap_jut);  % upper serif
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,.5cap_jut); fi  % lower serif
%%%%%
penlabels(0,1,2,3,4,5,6,7,8,9); endchar;

iff not concrete:%
iff not specific:%
lhchar "Uppercase Russian letter ZH (`roman')";
cyrchar(ZH,13.5u#,cap_height#,0); % N_width
if is_small_cap: getcharcode(zh); fi
italcorr cap_height#*slant-.5u#; %K
adjust_fit(w#-2max(2u#+.5fudged.cap_stem#,3u#)+\\ %ZHr_adj
 if monospace: 0,0 else: cap_serif_fit#,cap_serif_fit# fi); %uwlett_adj
% upperr_zh;
if odd((r-l)-fudged.cap_stem): change_width; fi % symmetric & all three equal
pickup tiny.nib; pos1(fudged.cap_stem,0); pos2(fudged.cap_stem,0);
lft x1l=lft x2l=hround (.5[l,r]-.5fudged.cap_stem)-eps; % middle stem point
top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
if serifs:
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,cap_jut); % upper stem serif
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,cap_jut); fi % lower stem serif
% K_rbowl;zh%monospace:+.75u
numeric right_jut,stem[],alpha[]; pickup tiny.nib;
right_jut=if serifs:.6cap_jut else:.4tiny fi;
stem1=max(tiny.breadth,fudged.hair if hefty:-3stem_corr fi);
stem2=max(tiny.breadth,fudged.cap_stem-3stem_corr);
rt x3r=hround(r-letter_fit-u-right_jut if monospace:+.75u fi); %!!!
rt x6r=hround(r-letter_fit-.75u-right_jut if monospace:+.75u fi); %!!!
y4=1/3h; top y3=h; bot y6=0; x4=x1;
penpos3(alpha1*(stem1-tiny),0); penpos4(whatever,-90);
alpha1=diag_ratio(1,.5(stem1-tiny),y3-y4,x3r-x4);
penpos6(alpha2*(stem2-tiny),0);
alpha2=diag_ratio(1,.5(stem2-tiny),y1-y6,x6r-x1);
forsuffixes $=l,r: y3'$=h; y6'$=0; z4.$=z3'$+whatever*(z3-z4);
 z5.$=z6'$+whatever*(z1-z6)=whatever[z3,z4]; endfor
z5=.5[z5l,z5r];
z3'r=z3r+penoffset z3-z4 of currentpen+whatever*(z3-z4);
% we have also |z3'l=z3l+penoffset z4-z3 of currentpen+whatever*(z3-z4)|;\]
z6'r=z6r+penoffset z1-z6 of currentpen+whatever*(z1-z6);
z6'l=z6l+penoffset z6-z1 of currentpen+whatever*(z1-z6);
fill z4r--diag_end(4r,3'r,1,.5,3'l,4l)--z4l--cycle;  % upper diagonal
fill z5l--diag_end(5l,6'l,.5,1,6'r,5r)--z5r--cycle;  % lower diagonal
numeric inner_jut,up_inner_jut;
%%
if serifs:
 if rt x2r+cap_jut+.5u+1<=lft x6l-cap_jut: inner_jut=cap_jut;
  else: rt x2r+cap_jut+.5u+1=lft x6l-inner_jut; fi
 if rt x1r+cap_jut+.5u+1<=lft x3l-1.2cap_jut: up_inner_jut=1.2cap_jut;
  else: rt x1r+cap_jut+.5u+1=lft x3l-up_inner_jut; fi
 dish_serif(3,4,e,2/3,up_inner_jut,f,1/2,right_jut)(dark); % upper diagonal serif
 dish_serif(6,5,g,1/2,inner_jut,h,1/3,right_jut)(dark); fi % lower diagonal serif
%%%
% mirror
forsuffixes $ = 3r,3,3l,3'r,3'l,4r,4,4l,5l,5,5r,6l,6,6r,6'l,6'r:
 x.m$=l+(r-x$); y.m$=y$; endfor;
fill z.m4r--diag_end(.m4r,.m3'r,1,.5,.m3'l,.m4l)--z.m4l--cycle;  % upper diagonal
fill z.m5l--diag_end(.m5l,.m6'l,.5,1,.m6'r,.m5r)--z.m5r--cycle;  % lower diagonal
%%
if serifs:
 penpos7(alpha1*(stem1-tiny),0); penpos8(whatever,-90);
 penpos10(alpha2*(stem2-tiny),0);
 z7=z.m3; z8=z.m4; z9l=z.m5r; z9=z.m5; z9r=z.m5l; z10=z.m6;
 dish_serif(7,8,i,1/2,right_jut,j,2/3,up_inner_jut)(dark); % upper diagonal serif
 dish_serif(10,9,k,1/3,right_jut,l,1/2,inner_jut)(dark); fi % lower diagonal serif
%%%%%
penlabels(1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter Z (looks like numeral 3)";
cyrchar(Z,11u#,cap_height#,0);
if is_small_cap: getcharcode(z); fi
italcorr .75cap_height#*slant-.5u#; %B
adjust_fit(if monospace: .35u#,.25u# else: 0,0 fi);
% upper_z;
pickup fine.nib; numeric right_curve,middle_weight;
middle_weight=max(fine.breadth,.6vair+.5);
pos2(cap_band,90); pos8(cap_band,-90);
if serifs:
   right_curve=cap_curve-stem_corr;
   pos1(cap_hair,180); pos9(cap_hair,-180); y1=.4[y5l,y2l];
else:
   right_curve=cap_curve-3stem_corr;
   pos1(1.1flare,120); pos9(flare,-120);
   top y1r=vround 7/8h+o; bot y9r=vround 1/7h-o; fi
pos4(middle_weight,-90); pos5(middle_weight,-90);
pos6(middle_weight,90); pos5'(middle_weight,90);
pos3(max(fine.breadth,right_curve-stem_corr),0);
pos7(max(fine.breadth,right_curve),0);
top y2r=h+o; bot y8r=-o;
x2=x6=x8=.5[1.5u,x7]; rt x7r=hround(w-.75u); rt x3r=hround(w-1.25u);
lft x5=lft x5'=min(hround 3.5u,lft x6)+eps;
y3=.5[y4l,y2l]; y7=.5[y6l,y8l]; x4=1/3[x5,x3l]; y4=y5; y5'=y6;
lft x1r=hround 1.1u; lft x9r=hround.9u;
top y5l-bot y5'l=vair; .5[y5l,y5'l]=.52h;
if serifs: y9=max(.52[top y8l,bot y5'l],y7+1);
   else: y9l:=good.y y9l; x9l:=good.x x9l; fi
filldraw stroke {{if not serifs:interim superness:=hein_super; fi
 super_arc.e(2,3)}} & super_arc.e(3,4)..z5e; % upper bowl
filldraw stroke z5'e..super_arc.e(6,7) & super_arc.e(7,8); % lower bowl
if serifs:
   filldraw stroke z1e{x2-x1,15(y2-y1)}....{right}z2e; % upper arc
   filldraw stroke
       {{interim superness:=more_super; super_arc.e(8,9)}}; % lower arc
else:
   filldraw stroke rterm.e(2,1,left,.9,4); % upper arc
   filldraw stroke  term.e(8,9,left,.8,4); % lower arc
fi
if serifs:
 path upper_arc; upper_arc=z1{x2-x1,15(y2-y1)}....{right}z2;
 pos10(.3[fine.breadth,cap_hair],0); x10l=x1r; top y10=h+o;
 x1'-x1l=2cap_curve; y1'=y1;
 numeric t; t=xpart(upper_arc intersectiontimes (z10r--z1'));
 filldraw z1r--z10l--z10r--subpath(t,0) of upper_arc--cycle; fi % upper serif
%%%%%
penlabels(0,1,2,3,4,5,6,7,8,9,10); endchar;

lhchar "Uppercase Russian letter I (looks like backwards N)";
cyrchar(I,13.5u#,cap_height#,0); % N_width
if is_small_cap: getcharcode(i); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit#,cap_serif_fit#);
% upper_i;
pickup tiny.nib; pos1(fudged.cap_stem,0); pos2(fudged.cap_stem,0);
pos3(fudged.cap_stem,0); pos4(fudged.cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1;
top y1=top y3=h; bot y2=bot y4=0;
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
numeric stem[],alpha[];
if hefty: numeric upper_notch,lower_notch;
 stem1=fudged.hair-stem_corr;
 upper_notch=y6-cap_notch_cut-eps; lower_notch=y5+cap_notch_cut+eps;
 if monospace:
  x5r =rt x1r; x6l =lft x3l; y5=vround(slab+eps); y6=vround(h-slab-eps);
  alpha1=diag_ratio(1,stem1,y6-y5,x5r-x6l);
  penpos5(min(2fudged.cap_stem,alpha1*stem1),0);
  penpos6(min(2fudged.cap_stem,alpha1*stem1),0);
  x5'=lft x1l; z5'=whatever[z5l,z6l]; x6'=rt x4r; z6'=whatever[z5r,z6r];
  x5l:=x5'; x6r:=x6'; y5l:=y5'; y6r:=y6';
 else:
  y5l=0; y6r=h; x5=x1r; x6=x3l; penpos5(stem1,0); penpos6(stem1,0);
 fi
 x2'=rt x1r; z2'=whatever[z5l,z6l]; x3'=lft x4l; z3'=whatever[z5r,z6r];
 fill z5l..
  if y2'>lower_notch: {right}(x2'+1,lower_notch){up}... fi
  {z6-z5}diag_in(5l,6l,1,6r)--z6r..
  if y3'<upper_notch: {left}(x3'-1,upper_notch){down}... fi
  {z5-z6}diag_in(6r,5r,1,5l)--cycle;  % diagonal
else: y5l=y2+bracket+eps; y6r=y3-bracket-eps;
 x5=hround (rt x1r-.5)-eps; x6=hround (lft x3l+.5)+eps;
 stem1=max(tiny.breadth,fudged.hair);
 alpha1=diag_ratio(1,stem1,x6-x5,top y6r-bot y5l);
 penpos5(alpha1*stem1,90); penpos6(alpha1*stem1,90);
 fill stroke z5e--z6e; fi % diagonal
%%%
if serifs: numeric inner_jut;
 if rt x1r+cap_jut+.5u+1<=lft x3l-cap_jut: inner_jut=cap_jut;
  else: rt x1r+inner_jut+.5u+1=lft x3l-inner_jut; fi
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,inner_jut);  % upper left serif
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,inner_jut);  % lower left serif
 dish_serif(3,4,e,1/3,inner_jut,f,1/3,cap_jut);  % upper right serif
 dish_serif(4,3,g,1/3,inner_jut,h,1/3,cap_jut); fi % lower right serif
%%%%%
penlabels(1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter I_shrt - SHORT I";
cyrchar(I_shrt,13.5u#,cap_height#+acc_height#,0); % N_width
if is_small_cap: getcharcode(i_shrt); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit#,cap_serif_fit#); full_h:=h; h:=cap_height;
% upper_i;
pickup tiny.nib; pos1(fudged.cap_stem,0); pos2(fudged.cap_stem,0);
pos3(fudged.cap_stem,0); pos4(fudged.cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1;
top y1=top y3=h; bot y2=bot y4=0;
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
numeric stem[],alpha[];
if hefty: numeric upper_notch,lower_notch;
 stem1=fudged.hair-stem_corr;
 upper_notch=y6-cap_notch_cut-eps; lower_notch=y5+cap_notch_cut+eps;
 if monospace:
  x5r =rt x1r; x6l =lft x3l; y5=vround(slab+eps); y6=vround(h-slab-eps);
  alpha1=diag_ratio(1,stem1,y6-y5,x5r-x6l);
  penpos5(min(2fudged.cap_stem,alpha1*stem1),0);
  penpos6(min(2fudged.cap_stem,alpha1*stem1),0);
  x5'=lft x1l; z5'=whatever[z5l,z6l]; x6'=rt x4r; z6'=whatever[z5r,z6r];
  x5l:=x5'; x6r:=x6'; y5l:=y5'; y6r:=y6';
 else:
  y5l=0; y6r=h; x5=x1r; x6=x3l; penpos5(stem1,0); penpos6(stem1,0);
 fi
 x2'=rt x1r; z2'=whatever[z5l,z6l]; x3'=lft x4l; z3'=whatever[z5r,z6r];
 fill z5l..
  if y2'>lower_notch: {right}(x2'+1,lower_notch){up}... fi
  {z6-z5}diag_in(5l,6l,1,6r)--z6r..
  if y3'<upper_notch: {left}(x3'-1,upper_notch){down}... fi
  {z5-z6}diag_in(6r,5r,1,5l)--cycle;  % diagonal
else: y5l=y2+bracket+eps; y6r=y3-bracket-eps;
 x5=hround (rt x1r-.5)-eps; x6=hround (lft x3l+.5)+eps;
 stem1=max(tiny.breadth,fudged.hair);
 alpha1=diag_ratio(1,stem1,x6-x5,top y6r-bot y5l);
 penpos5(alpha1*stem1,90); penpos6(alpha1*stem1,90);
 fill stroke z5e--z6e; fi % diagonal
%%%
if serifs: numeric inner_jut;
 if rt x1r+cap_jut+.5u+1<=lft x3l-cap_jut: inner_jut=cap_jut;
  else: rt x1r+inner_jut+.5u+1=lft x3l-inner_jut; fi
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,inner_jut);  % upper left serif
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,inner_jut);  % lower left serif
 dish_serif(3,4,e,1/3,inner_jut,f,1/3,cap_jut);  % upper right serif
 dish_serif(4,3,g,1/3,inner_jut,h,1/3,cap_jut); fi % lower right serif
%%%%%
% the accent
h:=cap_height+acc_height;
cbreve(.5w,0, 7,8,9,10,11,12,13)(cyrcaph);
penlabels(1,2,3,4,5,6, 7,8,9,10,11,12,13); endchar;

iff not concrete:%
iff not specific:%
lhchar "Uppercase Russian letter K (`roman')";
cyrchar(K,13.5u#,cap_height#,0); % N_width
if is_small_cap: getcharcode(k); fi
italcorr cap_height#*slant-.5u#;
adjust_fit(cap_serif_fit#,cap_serif_fit#);
% upperr_k;
pickup tiny.nib; pos1(fudged.cap_stem,0); pos2(fudged.cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5fudged.cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
if serifs:
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,cap_jut); % upper stem serif
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,cap_jut); fi % lower stem serif
% K_rbowl;
numeric right_jut,stem[],alpha[]; pickup tiny.nib;
right_jut=if serifs:.6cap_jut else:.4tiny fi;
stem1=max(tiny.breadth,fudged.hair if hefty:-3stem_corr fi);
stem2=max(tiny.breadth,fudged.cap_stem-3stem_corr);
rt x3r=hround(r-letter_fit-u-right_jut);
rt x6r=hround(r-letter_fit-.75u-right_jut);
y4=1/3h; top y3=h; bot y6=0; x4=x1;
penpos3(alpha1*(stem1-tiny),0); penpos4(whatever,-90);
alpha1=diag_ratio(1,.5(stem1-tiny),y3-y4,x3r-x4);
penpos6(alpha2*(stem2-tiny),0);
alpha2=diag_ratio(1,.5(stem2-tiny),y1-y6,x6r-x1);
forsuffixes $=l,r: y3'$=h; y6'$=0; z4.$=z3'$+whatever*(z3-z4);
 z5.$=z6'$+whatever*(z1-z6)=whatever[z3,z4]; endfor
z5=.5[z5l,z5r];
z3'r=z3r+penoffset z3-z4 of currentpen+whatever*(z3-z4);
% we have also |z3'l=z3l+penoffset z4-z3 of currentpen+whatever*(z3-z4)|;\]
z6'r=z6r+penoffset z1-z6 of currentpen+whatever*(z1-z6);
z6'l=z6l+penoffset z6-z1 of currentpen+whatever*(z1-z6);
fill z4r--diag_end(4r,3'r,1,.5,3'l,4l)--z4l--cycle;  % upper diagonal
fill z5l--diag_end(5l,6'l,.5,1,6'r,5r)--z5r--cycle;  % lower diagonal
numeric inner_jut,up_inner_jut;
%%
if serifs:
 if rt x2r+cap_jut+.5u+1<=lft x6l-cap_jut: inner_jut=cap_jut;
  else: rt x2r+cap_jut+.5u+1=lft x6l-inner_jut; fi
 if rt x1r+cap_jut+.5u+1<=lft x3l-1.2cap_jut: up_inner_jut=1.2cap_jut;
  else: rt x1r+cap_jut+.5u+1=lft x3l-up_inner_jut; fi
 dish_serif(3,4,e,2/3,up_inner_jut,f,1/2,right_jut)(dark); % upper diagonal serif
 dish_serif(6,5,g,1/2,inner_jut,h,1/3,right_jut)(dark); fi % lower diagonal serif
%%%
%%%%%
penlabels(1,2,3,4,5,6); endchar;

iff not concrete:%
lhchar "Uppercase Russian letter L";
cyrchar(L,13.5u#,cap_height#,0); % DL_width:N_width
if is_small_cap: getcharcode(l); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit# if not serifs:+.5(cap_stem#-u#) fi, %DL_adj
 cap_serif_fit#); %
% upper_l;
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
rt x1r=rt x2r=w-hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; %stem
numeric bulb_diam; bulb_diam=flare+(cap_stem-stem);
numeric light_hair,bot_vair,left_jut;
light_hair=max(tiny.breadth,fudged.hair if hefty:-4stem_corr fi);
left_jut=
   if serifs: max(limit_dist,1.1cap_jut)
   else:      hround (w+cap_serif_fit-rt x2r-.65u) fi;
bot_vair=Vround(.5[vair,light_hair]);
x3=1/3[w-rt x1r-(1/6left_jut),rt x1r] if not serifs:-.5(cap_stem-u) fi+eps;
if serifs:
 pos3(light_hair,0); pos4(light_hair,-90);
 pos6(bulb_diam,-180); pos5(cap_hair,-180);
 top y3=h; y6=1/6h-max(0,flare-stem-2vair_corr-.5); z6r=z5r;
 lft x6r=l+letter_fit+hround(.5u-.5);
 x4=max(lft x5r+.5bulb_diam,.4[lft x5r,rt x3r]); bot y4r=-o;
 filldraw stroke z4e{right}..
  controls (min(15/16[x4,x3],max(x4,lft x6r+2flare))+(x3e-x3)+eps,y4e)
  and (x3e,good.y(min(y6-.5,1/3h)+1/3(y4e-y4))-eps)..z3e; % left tail
 {{less_tense; bulb(4,5,6)}};
else:
 pos3'(slab,90); pos1'(slab,90);
 lft x3'=x3-.5light_hair; rt x1'=x1r; top y3'r=top y1'r=h;
 filldraw stroke z3'e--z1'e;
 pickup fine.nib; pos3(max(fine.breadth,light_hair),0); pos4(bot_vair,-90); pos5(bot_vair,-90);
 bot y5r=0; x4=2/3[x3l,x5r]; lft x5=l+letter_fit+hround(.35u-.5);
 bot y4r=bot y5r; y3=y3'; x4l:=.25[x4,x5];
 path p;
 p=stroke z3{down}
   ..controls (x3,y5+.35h-eps) and (min(7/8[x4,x3],x5+2.5light_hair+.5u),y4)
   ..{left}z4--z5;
 z6=point .35 of p;
 pos6(max(fine.breadth,7/8[bot_vair,light_hair]),angle(direction .35 of p)+90);
 filldraw stroke z3e{down}...z6e{direction .35 of p}...{left}z4e--z5e; fi % arc
%%%
if serifs: x0=x3; y0=0;
 numeric inner_jut; inner_jut=min(.5(lft x1l-rt x3r)-eps,.5cap_jut);
 dish_serif(2,1,a,1/3,cap_jut,b,1/3,cap_jut);         %lower right serif
 nodish_serif(1,2,c,1/3,inner_jut,d,1/3,cap_jut);     %upper right serif
 nodish_serif(3,0,e,1/3,1.05cap_jut,f,1/3,inner_jut); %upper left serif
 filldraw z.c0--z.c1--z.f1--z.f0--cycle; fi % upper inter_serif bar
%%%%%
penlabels(0,1,2,3,3,4,5,6); endchar;

lhchar "Uppercase Russian letter M";
cyrchar(M,16u#+width_adj#,cap_height#,0);
if is_small_cap: getcharcode(m); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit#,cap_serif_fit#);
% upper_m;
numeric stem[]; % thicknesses of the four strokes
stem1=hround(fudged.hair+stem_corr);
stem2=hround(fudged.cap_stem-4stem_corr);
stem3=hround(fudged.hair-stem_corr);
stem4=hround(fudged.cap_stem-3stem_corr);
if stem4<stem1: stem4:=stem1; fi
pickup tiny.nib; pos1(stem1,0); pos2(stem1,0);
pos3(stem4,0); pos4(stem4,0);
x1=x2; x3=x4; x1l=w-x3r; rt x3r=hround min(w-2u,w-3u+.5stem4);
top y1=top y3=h; bot y2=bot y4=0;
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
penpos5(stem2,0); penpos6(stem2,0); penpos7(stem3,0); penpos8(stem3,0);
x5l=x1; x6l=x7l; x8=lft x3l; x6-x5=x8-x7; y5=y8=h; y6=y7;
if hefty:
 y6=if monospace: vround 1/3h else: o fi;
 numeric upper_notch,lower_notch;
 upper_notch=h-cap_notch_cut; lower_notch=y6+cap_notch_cut;
 x1'=rt x1r; z1'=whatever[z5l,z6l]; x3'=lft x3l; z3'=whatever[z7r,z8r];
 z0=whatever[z5r,z6r]=whatever[z7l,z8l];
 fill z5l..
  if y1'<upper_notch: {right}(x1'+1,upper_notch){down}... fi
  {z6-z5}diag_in(5l,6l,1,6r)..diag_out(7l,1,7r,8r){z8-z7}
  if y3'<upper_notch: ...{up}(x3'-1,upper_notch){right} fi
  ..z8r--diag_out(8r,1,8l,7l){z7-z8}
  if y0<=lower_notch: ..{z7-z8}z0{z5-z6}..
   else: ...{down}(x0+.5,lower_notch)--(x0-.5,lower_notch){up}... fi
  {z5-z6}diag_in(6r,5r,1,5l)--cycle;  % diagonals
else:
 y6=0; z0=whatever[z5r,z6r]=whatever[z7l,z8l];
 fill z5l..{z6-z5}diag_in(5l,6l,1,6r)..diag_out(7l,1,7r,8r){z8-z7}
  ..z8r--diag_out(8r,1,8l,7l){z7-z8}..{z7-z8}z0{z5-z6}
  ..{z5-z6}diag_in(6r,5r,1,5l)--cycle; fi  % diagonals
%%%
if serifs:
 serif(1,2,a,1/3,-cap_jut); % upper left serif
 dish_serif(2,1,b,1/2,cap_jut,c,1/2,cap_jut)(dark); % lower left serif
 serif(3,4,d,1/3,cap_jut); % upper right serif
 dish_serif(4,3,e,1/3,cap_jut,f,1/3,cap_jut); fi % lower right serif
%%%%%
penlabels(0,1,1',2,3,3',4,5,6,7,8); endchar;

lhchar "Uppercase Russian letter N (looks like H)";
cyrchar(N,13.5u#,cap_height#,0); %N_width#
if is_small_cap: getcharcode(n); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit#,cap_serif_fit#);
% upper_n;
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
pos3(cap_stem,0); pos4(cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1;
top y1=top y3=h; bot y2=bot y4=0;
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
penpos5(cap_bar,90); penpos6(cap_bar,90);
x5=x1; x6=x3; y5=y6=.52h;
fill stroke z5e--z6e;  % bar
%%%
if serifs:
 numeric inner_jut;
 if rt x1r+cap_jut+.5u+1<=lft x3l-cap_jut: inner_jut=cap_jut;
  else: rt x1r+inner_jut+.5u+1=lft x3l-inner_jut; fi
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,inner_jut);  % upper left serif
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,inner_jut); % lower left serif
 dish_serif(3,4,e,1/3,inner_jut,f,1/3,cap_jut);  % upper right serif
 dish_serif(4,3,g,1/3,inner_jut,h,1/3,cap_jut); fi  % lower right serif
%%%%%
penlabels(1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter O";
cyrchar(O,14u#-width_adj#,cap_height#,0);
if is_small_cap: getcharcode(o); fi
italcorr .7cap_height#*slant-.5u#; %O
adjust_fit(0,0);
% upper_o;
penpos1(vair',90); penpos3(vround(vair+1.5vair_corr),-90);
penpos2(cap_curve,180); penpos4(cap_curve,0);
if monospace: x2r=hround 1.5u;
 interim superness:=sqrt superness; % make |"O"|, not |"0"|
else: x2r=hround u; fi
x4r=w-x2r; x1=x3=.5w; y1r=h+o; y3r=-o;
y2=y4=.5h-vair_corr; y2l:=y4l:=.52h;
penstroke pulled_super_arc.e(1,2)(.5superpull)
 & pulled_super_arc.e(2,3)(.5superpull)
 & pulled_super_arc.e(3,4)(.5superpull)
 & pulled_super_arc.e(4,1)(.5superpull) & cycle;  % bowl
%%%%%
penlabels(1,2,3,4); endchar;

lhchar "Uppercase Russian letter P (looks like PI)";
cyrchar(P,13.5u#,cap_height#,0); % N_width
if is_small_cap: getcharcode(p); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit#,cap_serif_fit#);
% upper_p;
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
pos3(cap_stem,0); pos4(cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1;
top y1=top y3=h; bot y2=bot y4=0;
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
%%%
if serifs:
 numeric inner_jut;
 if rt x1r+cap_jut+.5u+1<=lft x3l-cap_jut: inner_jut=cap_jut;
  else: rt x1r+inner_jut+.5u+1=lft x3l-inner_jut; fi
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,inner_jut); % lower left serif
 dish_serif(4,3,g,1/3,inner_jut,h,1/3,cap_jut);   % lower left serif
 inner_jut:=min(.5(lft x3l-rt x1r)-eps,.5cap_jut);
 nodish_serif(1,2,a,1/3,cap_jut,b,1/3,inner_jut);  % upper left serif
 nodish_serif(3,4,e,1/3,inner_jut,f,1/3,cap_jut);  % upper left serif
 filldraw z.b0--z.b1--z.e1--z.e0--cycle; % upper inter_serif bar
else:
 lft x1'= lft x1l; top y1'r=h; pos1'(slab,90);
 rt x3'=rt x3r; y3'=y1'; pos3'(slab,90);
 filldraw stroke z1'e--z3'e; fi % upper_bar
%%%%%
penlabels(1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter R (looks like P)";
cyrchar(R,12u#,cap_height#,0);
if is_small_cap: getcharcode(r); fi
italcorr .75cap_height#*slant-.5u#;
adjust_fit(cap_serif_fit#,0);
% upper_r;
pickup tiny.nib; penpos1(cap_stem'-tiny,0); penpos2(cap_stem-tiny,0);
pos0(cap_stem',0); pos0'(cap_stem,0);
lft x1l=hround max(2u,3u-.5cap_stem'); top y1=h; bot y2=0;
x1l=x2l=x0l=x0'l; y0=y0'=y7;
penpos3(cap_band,90); penpos4(cap_band,90);
penpos5(cap_curve if hefty:-3stem_corr fi,0);
penpos6(.5[vair,cap_band],-90); penpos7(.5[vair,cap_band],-90);
z3r=top z1; y4=y3; y5=.5[y4l,y6l]; y6=y7;
x7=x2; y7l=vround .5h; x4=x6=.5w+.75u; x5r=hround(w-u);
x4l:=x6l:=x4-.25cap_curve;
filldraw stroke z1e--z0e--z0'e--z2e; % stem
fill stroke z3e..pulled_arc.e(4,5) & pulled_arc.e(5,6)..z7e;  % lobe
%%%
if serifs:
 nodish_serif(1,0,a,1/3,cap_jut,b,1/3,.5cap_jut);  % upper serif
 dish_serif(2,0',c,1/3,cap_jut,d,1/3,cap_jut); fi  % lower serif
%%%%%
penlabels(0,1,2,3,4,5,6,7); endchar;

iff serifs:%
lhchar "Uppercase Russian letter S (looks like C)";
cyrchar(S,13u#,cap_height#,0);
if is_small_cap: getcharcode(s); fi
italcorr cap_height#*slant-.5u#;
adjust_fit(0,0);
% upper_s;
pickup fine.nib; pos1(cap_hair,0); pos2(cap_band,90);
pos3(cap_curve,180); pos4(cap_band,270); pos5(hair,360);
rt x1r=rt x5r=hround(w-u); lft x3r=hround u; x2=x4=.55[x3,x1];
top y2r=h+o; bot y4r=-o; y3=.5[y2,y4];
bot y1=min(vround max(.6h,x_height-.5vair),bot y2l-eps);
y5=max(good.y .95(h-y1),y4l+eps);
(x2l',y2l)=whatever[z2r,z1l]; x2l:=min(x2l',x2l+.5u);
(x4l',y4l)=whatever[z4r,z5l]; x4l:=min(x4l',x4l+.5u);
filldraw stroke z1e{x2-x1,10(y2-y1)}
 ...pulled_arc.e(2,3) & pulled_arc.e(3,4)...{up}z5e; % arc
pos6(.3[fine.breadth,cap_hair],0); x6r=x1r; top y6=h+o;
x1r-x1'=2cap_curve-fine; y1'=y1;
path upper_arc; upper_arc=z1{x2-x1,10(y2-y1)}..z2{left};
numeric t; t=xpart(upper_arc intersectiontimes (z6l--z1'));
filldraw z1r--z6r--z6l--subpath(t,0) of upper_arc--cycle; % barb
%%%%%
penlabels(1,1',2,3,4,5,6); endchar;

iff not serifs:%
lhchar "Uppercase Russian letter S (looks like C)";
cyrchar(S,11.5u#,cap_height#,0);
if is_small_cap: getcharcode(s); fi
italcorr cap_height#*slant-.5u#;
adjust_fit(0,0);
% uppers_s;
pickup fine.nib; pos1(1.2flare,80); pos2(slab,90);
pos3(cap_curve,180); pos4(slab,270); pos5(flare,275);
rt x1r=hround(w-1.1u); x2=x4=.5w+1.25u;
lft x3r=hround max(u,2u-.5cap_curve); rt x5r=hround(w-.9u);
top y1r=vround .95h+o; top y2r=h+o; y3=.5h;
bot y4r=-o; bot y5r=vround .08h-o; y5l:=good.y y5l; x5l:=good.x x5l;
filldraw stroke rterm.e(2,1,right,.9,4) & super_arc.e(2,3)
 & super_arc.e(3,4) & term.e(4,5,right,.8,4); % arc and terminals
%%%%%
penlabels(1,2,3,4,5); endchar;

lhchar "Uppercase Russian letter T";
cyrchar(T,13u#-width_adj#,cap_height#,0);
if is_small_cap: getcharcode(t); fi
italcorr cap_height#*slant-beak_jut#-.25u#;
adjust_fit(0,0);
% upper_t;
if odd(cap_stem-w): change_width; fi % symmetric & all three equal
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
lft x1l=lft x2l=hround(.5w-.5cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
pickup crisp.nib; pos3(slab,90); pos4(hair,0);
top y3r=h; x3=x1; rt x4r=hround(w-.65u); y4=good.y(y3l-beak)-eps;
arm(3,4,e,beak_darkness,.7beak_jut);  % right arm and beak
pos5(hair,180); x5=w-x4; y5=y4;
arm(3,5,f,beak_darkness,-.7beak_jut);  % left arm and beak
%%%
if serifs:
 dish_serif(2,1,c,1/3,1.414cap_jut,d,1/3,1.414cap_jut);  % lower serif
 nodish_serif(1,2,a,1/3,.5cap_jut,b,1/3,.5cap_jut); fi  % upper bracketing
%%%%%
penlabels(1,2,3,4,5); endchar;

lhchar "Uppercase Russian letter U (looks like y)";
cyrchar(U,13u#,cap_height#,0);
if is_small_cap: getcharcode(u); fi
italcorr cap_height#*slant+.25u#;
adjust_fit(cap_serif_fit#,cap_serif_fit#);
% upper_u;
numeric left_stem,right_stem,bot_stem,bot_vair,outer_jut;
left_stem=cap_stem-stem_corr;
right_stem=min(cap_hair if hefty:-2stem_corr fi,left_stem);
bot_stem=min(cap_hair if hefty:-2stem_corr fi,left_stem);
bot_vair=Vround(if serifs:.5[vair',bot_stem] else:slab fi);
outer_jut=.7cap_jut; x1l=w-x4r=l+letter_fit+outer_jut+.25u; % W jut
y1=y4r=h; x2l=x3l;
if monospace: y2=y3=.3h; else: y2=y3=max(if not serifs:1.095 fi stem,1/6h); fi
numeric alpha; x9=.5w-1/2(.5[bot_stem,right_stem]); y9=-o;
alpha=diag_ratio(2,bot_stem,y1-y3,x4r-x1l-2apex_corr);
numeric u_ratio; u_ratio=(y3-y9)/(y1-y9);
x2l-x1l=x4r-x3r+
   if monospace: 2apex_corr else: if serifs: 2 fi (u_ratio*.5[x1l,x4r]) fi;
penpos3(alpha*bot_stem,0); penpos4(alpha*right_stem,0);
numeric alpha[]; alpha3=(y1++(x2l-x1l))/y1;
penpos1(alpha3*left_stem,0); penpos2(alpha3*left_stem,0);
z0l=whatever[z1r,z2r]=z4l+whatever*(z3r-z4r); penpos0(alpha*bot_stem,0);
z0'=whatever[rt z3r,rt z4r]; y0'=bot y6r=if serifs:-o else: 0 fi;
penpos6(bot_vair,-90); x6r=if serifs:.6 else:.5 fi[x3r,x1];
numeric t; t=if monospace: 1.25right_stem else: (x3r-x0')++(y3r-y0') fi;
penpos5(bot_vair,.5[angle(z4r-z6r),angle(z4r-z3r)]-90);
path p; numeric tau; p=z0r{z3r-z4r}....{left}z6r;
z5r=p intersectionpoint ((0,y2l-.5bot_vair)--(w,y2l-.5bot_vair));
tau=xpart(p intersectiontimes (z2l--z2r));
if y0>notch_cut+y2:
 y0l:=notch_cut+y2; % +y2 added for sanserif face
 fill z0l+.5right{up}...{z4r-z3r}diag_end(0,4l,1,1,4r,3r)
  --subpath(0,tau) of p--z2l--diag_end(2l,1l,1,1,1r,2r){z2-z1}
  ...{down}z0l+.5left--cycle; % left and right diagonals
else:
 fill z0l--diag_end(0,4l,1,1,4r,3r)--subpath(0,tau) of p
  --z2l--diag_end(2l,1l,1,1,1r,0)--cycle; % left and right diagonals
fi
fill p--z6l{right}...{-direction tau of p}
     if x5l>x2l: z2l else: z5l fi..{z4r-z3r}z0l--cycle;
pickup fine.nib;
if serifs:
 numeric bulb_diam; bulb_diam=flare+(cap_stem-stem);
 pos6'(bot_vair,-90); z6'=z6; pos7(hair,-180); pos8(bulb_diam,-180);
 y8=1/6h; z7r=z8r; lft x8r=x1;
 cyrbulb(6',7,8);  % arc and bulb
 numeric inner_jut; pickup tiny.nib;
 prime_points_inside(1,2); prime_points_inside(4,3);
 if rt x1'r+jut+.5u+1<=lft x4'l-jut: inner_jut=cap_jut;
  else: rt x1'r+inner_jut+.5u+1=lft x4'l-inner_jut; fi
 dish_serif(1',2,a,1/3,outer_jut,b,1/2,inner_jut);  % left serif
 dish_serif(4',3,c,.6,inner_jut,d,1/2,outer_jut)(dark);  % right serif
else:
 top z6'l=z6l; bot z6'r=z6r;
 pos7(bot_vair,-90); lft x7l=max(3.5u,rt x6r-t); bot y7r=bot y6'r;
 filldraw stroke z6'e--z7e; fi % arc
%%%%%
penlabels(0,0',1,2,3,4,5,6,6',7,8,9); endchar;

lhchar "Uppercase Russian letter F (looks like PHI)";
cyrchar(F,15u#,cap_height#,0);
if is_small_cap: getcharcode(f); fi
italcorr .7cap_height#*slant-.5u#; %O
adjust_fit(if monospace: -.5u#,-.5u# else: 0,0 fi);
numeric shaved_stem,light_curve; shaved_stem=cap_stem-hround 2stem_corr;
light_curve=cap_curve-hround stem_corr;
if odd(shaved_stem-w): change_width; fi % symmetric & all three equal
pickup tiny.nib; pos1(shaved_stem,0); pos2(shaved_stem,0);
lft x1l=lft x2l=hround (.5w-.5shaved_stem); % middle stem point
top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
penpos3(vair,90); penpos5(vair,-90);
penpos4(light_curve,180); penpos6(light_curve,0);
x4r=hround u; x6r=w-x4r; x3=x5=.5w;
y3r=vround(.89h if serifs:-.5slab fi); y4=y6=.5[y3,y5];
y5r=vround(.15h if serifs:+.5slab fi);
clearpen; interim superness:=hein_super; % make |"F"|, not |"fita"|
penstroke pulled_super_arc.e(3,4)(.5superpull)
 & pulled_super_arc.e(4,5)(.5superpull)
 & pulled_super_arc.e(5,6)(.5superpull)
 & pulled_super_arc.e(6,3)(.5superpull) & cycle;  % bowl
if serifs:
 dish_serif(1,2,a,1/3,1.25cap_jut,b,1/3,1.25cap_jut);  % upper serif
 dish_serif(2,1,c,1/3,1.25cap_jut,d,1/3,1.25cap_jut); fi  % lower serif
penlabels(1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter H (looks like X)";
cyrchar(H,13u#,cap_height#,0);
if is_small_cap: getcharcode(h); fi
italcorr cap_height#*slant-.25u#;
adjust_fit(cap_serif_fit#,cap_serif_fit#);
% upper_h;
numeric stem[],outer_jut,xjut,alpha[];
stem1=cap_stem-2stem_corr; stem2=min(cap_hair,stem1);
outer_jut=.75cap_jut; xjut= if serifs: (stem1-stem2)/4 else: 0 fi;
x1l=l+letter_fit+.5u+outer_jut; x2r=r-letter_fit-u-outer_jut-xjut;
x3l=l+letter_fit+.25u+outer_jut+xjut; x4r=r-letter_fit-.25u-outer_jut;
y1=y2=h; y3=y4=0;
alpha1=diag_ratio(1,stem1,h,x4r-x1l);
alpha2=diag_ratio(1,stem2,h,x2r-x3l);
penpos1(alpha1*stem1,0); penpos2(alpha2*stem2,0);
penpos3(alpha2*stem2,0); penpos4(alpha1*stem1,0);
if hefty:
 z0=whatever[z1,z4]=whatever[z2,z3];
 x12=x34=x0; y13=y24=y0;
 z12=whatever[z2l,z3l]; z13=whatever[z2l,z3l];
 z24=whatever[z2r,z3r]; z34=whatever[z2r,z3r];
 forsuffixes $=13,24,34: z$'=.1[z$,z0]; endfor
 fill diag_end(12,1r,.5,1,1l,13')--z13'--diag_end(13',3l,1,.5,3r,34')--z34'
  --diag_end(34',4l,.5,1,4r,24')--z24'
  --diag_end(24',2r,1,.5,2l,12)--z12--cycle; % diagonals
else:
 fill diag_end(4r,1r,.5,1,1l,4l)
  --diag_end(1l,4l,.5,1,4r,1r)--cycle; % left diagonal
 fill diag_end(2l,3l,.5,1,3r,2r)
  --diag_end(3r,2r,.5,1,2l,3l)--cycle; fi % right diagonal
%%%
if serifs:
 numeric inner_jut[]; pickup tiny.nib;
 prime_points_inside(1,4); prime_points_inside(2,3);
 prime_points_inside(3,2); prime_points_inside(4,1);
 if rt x1'r+cap_jut+.5u+1<=lft x2'l-cap_jut-xjut: inner_jut1=cap_jut;
  else: rt x1'r+inner_jut1+.5u+1=lft x2'l-inner_jut1-xjut; fi
 if rt x3'r+cap_jut+.5u+1<=lft x4'l-cap_jut-xjut: inner_jut2=cap_jut;
  else: rt x3'r+inner_jut2+.5u+1=lft x4'l-inner_jut2-xjut; fi
 dish_serif(1',4,a,1/3,outer_jut,b,2/3,inner_jut1);  % upper left serif
 dish_serif(4',1,c,2/3,inner_jut2,d,1/3,outer_jut);  % lower right serif
 dish_serif(2',3,e,2/3,inner_jut1+xjut,f,1/2,outer_jut+xjut)(dark);  % upper right serif
 dish_serif(3',2,g,1/2,outer_jut+xjut,h,2/3,inner_jut2+xjut)(dark); fi % lower left serif
%%%%%
penlabels(0,1,2,3,4,12,13,24,34); endchar;

lhchar "Uppercase Russian letter C";
cyrchar(C,13.5u#,cap_height#,cap_sbeak#); % N_width
if is_small_cap: getcharcode(c); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit#,
 cap_serif_fit# if not serifs:+.5(cap_stem#-u#) fi); %DL_adj
% upper_c;
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
pos3(cap_stem,0); pos4(cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1;
top y1=top y3=h; bot y2=bot y4=0;
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
numeric inner_jut,arm_thickness;
arm_thickness=vround(slab+vair_corr);
if serifs:
 if rt x1r+cap_jut+.5u+1<=lft x3l-cap_jut: inner_jut=cap_jut;
  else: rt x1r+inner_jut+.5u+1=lft x3l-inner_jut; fi
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,inner_jut);  % upper left serif
 dish_serif(3,4,e,1/3,inner_jut,f,1/3,cap_jut);  % upper right serif
 save slab; slab:=arm_thickness; % bottom.bar.slab
 inner_jut:=min(.5(lft x3l-rt x1r)-eps,.5cap_jut);
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,inner_jut); % lower left serif
else:
 save slab; slab:=arm_thickness; % bottom.bar.slab
 lft x2'= lft x2l; bot y2'l=0; pos2'(slab,90);
 rt x4'= rt x4r; y4'=y2'; pos4'(slab,90);
 filldraw stroke z2'e--z4'e; fi % lower bar
% uppercase descender
inner_jut:=min(.5(lft x3l-rt x1r)-eps,.5cap_jut);
numeric right_jut;
right_jut=if serifs: max(limit_dist,1.1cap_jut) else: hround (r-rt x4r-.65u) fi;
r_serif(4,3,g,1/3,inner_jut,h,1/3,beak_darkness,right_jut,beak_jut); % lower right descender
if serifs:
 filldraw z.d0--z.d1--z.g1--z.g0--cycle; fi % lower inter_serif bar
penlabels(1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter CH";
cyrchar(CH,13.5u#,cap_height#,0); % N_width
if is_small_cap: getcharcode(ch); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit#,cap_serif_fit#);
% upper_ch;
pickup tiny.nib;
pos1(cap_stem,0); pos2(cap_stem,0); pos3(cap_stem,0); pos4(cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1;
top y1=top y3=h; bot y2=.3[y6,h]; bot y4=0;
x5l=1/3[x1,x3]; y5=y6; if serifs: y6'=y6-cap_hair+1.05cap_stem; fi
x6=x6'=x3; y6=good.y (h-.52h if serifs: -.35(.5[cap_hair,.7cap_stem]) fi);
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
clearpen; penpos2'(cap_stem,0); z2'=z2;
numeric middle_weight; middle_weight=.5[vair,cap_band];
penpos5(middle_weight,90); penpos6(middle_weight,90); penpos6'(middle_weight,90);
if serifs:
 if((y6'-y6)>=middle_weight+1+eps):
  fill stroke  pulled_arc.e(2',5) & z5e{right}...{.75(z5-z6)+z6'}z6'e;
 else:
  fill stroke  pulled_arc.e(2',5) & z5e--z6e; fi % arc
 numeric inner_jut; pickup tiny.nib;
 if rt x1r+cap_jut+.5u+1<=lft x3l-cap_jut: inner_jut=cap_jut;
  else: rt x1r+inner_jut+.5u+1=lft x3l-inner_jut; fi
%%%
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,inner_jut);  % upper left serif
 dish_serif(3,4,e,1/3,inner_jut,f,1/3,cap_jut);  % upper right serif
 dish_serif(4,3,g,1/3,inner_jut,h,1/3,cap_jut);  % lower right serif
else:
 filldraw stroke  pulled_arc.e(2',5) & z5e--z6e; fi % arc
%%%%%
penlabels(1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter SH";
cyrchar(SH,19.75u#+width_adj#,cap_height#,0);
if is_small_cap: getcharcode(sh); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(if monospace: 0,0 else:cap_serif_fit#,cap_serif_fit# fi); %uwlett_adj
% upper_sh;
if odd(fudged.cap_stem-w): change_width; fi % symmetric & all three equal
pickup tiny.nib;
pos1(fudged.cap_stem,0); pos2(fudged.cap_stem,0);
pos3(fudged.cap_stem,0); pos4(fudged.cap_stem,0);
pos5(fudged.cap_stem,0); pos6(fudged.cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1;
top y1=top y3=top y5=h; bot y2=bot y4=bot y6=0;
lft x5l=lft x6l=hround (.5[x1,x3]-.5cap_stem); % middle stem point
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
filldraw stroke z5e--z6e; % center stem
numeric inner_jut,arm_thickness;
arm_thickness=vround(slab+vair_corr);
if serifs:
 if rt x1r+cap_jut+.5u+1<=lft x5l-cap_jut: inner_jut=cap_jut;
  else: rt x1r+inner_jut+.5u+1=lft x5l-inner_jut; fi
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,inner_jut);  % upper left serif
 dish_serif(3,4,e,1/3,inner_jut,f,1/3,cap_jut);  % upper right serif
 dish_serif(5,6,i,1/3,inner_jut,j,1/3,inner_jut); % upper center serif
 inner_jut:=min(.5(lft x3l-rt x1r)-eps,.5cap_jut);
 save slab; slab:=arm_thickness; % bottom.bar.slab
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,inner_jut); % lower left serif
 nodish_serif(6,5,k,1/3,inner_jut,m,1/3,inner_jut); % lower center serif
 nodish_serif(4,3,g,1/3,inner_jut,h,1/3,cap_jut);   % lower right serif
 filldraw z.d0--z.d1--z.g1--z.g0--cycle; % lower inter_serif bar
else:
 save slab; slab:=arm_thickness; % bottom.bar.slab
 lft x2'= lft x2l; bot y2'l=0; pos2'(slab,90);
 rt x4'=rt x4r; y4'=y2'; pos4'(slab,90);
 filldraw stroke z2'e--z4'e; fi % lower bar
%%%%%
penlabels(1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter SHCH";
cyrchar(SHCH,19.75u#+width_adj#,cap_height#,cap_sbeak#);
if is_small_cap: getcharcode(shch); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(if monospace: 0 else: cap_serif_fit# fi, %uwlett_adj
 if monospace: 0 else: cap_serif_fit# if not serifs:+.5(cap_stem#-u#) fi fi); %DL_adj&uwlett_adj
% upper_sh;
if odd(fudged.cap_stem-w): change_width; fi % symmetric & all three equal
pickup tiny.nib;
pos1(fudged.cap_stem,0); pos2(fudged.cap_stem,0);
pos3(fudged.cap_stem,0); pos4(fudged.cap_stem,0);
pos5(fudged.cap_stem,0); pos6(fudged.cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1;
top y1=top y3=top y5=h; bot y2=bot y4=bot y6=0;
lft x5l=lft x6l=hround (.5[x1,x3]-.5cap_stem); % middle stem point
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
filldraw stroke z5e--z6e; % center stem
numeric inner_jut,arm_thickness;
arm_thickness=vround(slab+vair_corr);
if serifs:
 if rt x1r+cap_jut+.5u+1<=lft x5l-cap_jut: inner_jut=cap_jut;
  else: rt x1r+inner_jut+.5u+1=lft x5l-inner_jut; fi
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,inner_jut);  % upper left serif
 dish_serif(3,4,e,1/3,inner_jut,f,1/3,cap_jut);  % upper right serif
 dish_serif(5,6,i,1/3,inner_jut,j,1/3,inner_jut); % upper center serif
 inner_jut:=min(.5(lft x3l-rt x1r)-eps,.5cap_jut);
 save slab; slab:=arm_thickness; % bottom.bar.slab
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,inner_jut); % lower left serif
 nodish_serif(6,5,k,1/3,inner_jut,m,1/3,inner_jut); % lower center serif
else:
 save slab; slab:=arm_thickness; % bottom.bar.slab
 lft x2'= lft x2l; bot y2'l=0; pos2'(slab,90);
 rt x4'=rt x4r; y4'=y2'; pos4'(slab,90);
 filldraw stroke z2'e--z4'e; fi % lower bar
%%%%%
% uppercase descender
inner_jut:=min(.5(lft x3l-rt x1r)-eps,.5cap_jut);
numeric right_jut;
right_jut=if serifs: max(limit_dist,1.1cap_jut) else: hround (r-rt x4r-.65u) fi;
r_serif(4,3,o,1/3,inner_jut,p,1/3,beak_darkness,right_jut,beak_jut); % lower right descender
if serifs:
 filldraw z.d0--z.d1--z.o1--z.o0--cycle; fi % lower inter_serif bar
penlabels(1,2,3,4,5,6); endchar;

lhchar "Uppercase Russian letter HRDSN - HARD SIGN";
cyrchar(HRDSN,12.5u#,cap_height#,0); %V_width#=12.5u#
if is_small_cap: getcharcode(hrdsn); fi
italcorr .52*.7cap_height#*slant-.5u#; % D*.52h
adjust_fit(min(4.5u#-.5stem#,3.5u#)-.5width_adj#, % Beak_adj
 0);
% upper_hrdsn;
numeric left_stem; left_stem=cap_stem-hround 2stem_corr;
pickup tiny.nib; pos1(left_stem,0); pos2(left_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5left_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
% upper left beak
pickup crisp.nib; pos3(slab,90); pos4(hair,180);
top y3r=h; x3=x1; lft x4r=l+letter_fit+hround.65u; y4=good.y(y3l-beak)-eps;
arm(3,4,q,beak_darkness,-.7beak_jut);
if serifs:
 nodish_serif(1,2,a,1/3,.5cap_jut,b,1/3,.5cap_jut);  % upper serif
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,.5cap_jut); fi  % lower serif
% usftsn_bowl(2);
_zero:=2;
_one:=5; _two:=6; _three:=7; _four:=8; _five:=9;
%
pickup tiny.nib;
penpos[_one](cap_bar,90);
penpos[_three](cap_curve if hefty:-3stem_corr fi,0);
penpos[_four](cap_band,-90); penpos[_five](cap_band,-90);
z[_five]r=bot z[_zero]; y[_four]=y[_five];
y[_three]=.5[y[_four],y[_two]];
x[_one]=x[_zero]r; x[_three]r=hround(w-u);
if (serifs=false) or (cap_bar#>.5cap_curve#) or (cap_bar<3):
 penpos[_two](cap_bar,90);
 x[_four]=.5[x[_zero],w-if serifs:1.5u else:2.5u fi]+.5u;
 y[_one]=y[_two]=.52h; x[_two]=x[_four];
else: penpos[_two](1/18[cap_bar,cap_curve],90);
 x[_four]=.5[x[_zero],w-1.5u]+.5u;
 y[_one]l=y[_two]l-.35cap_bar=.52h-.5cap_bar;
 x[_two]=x[_four]-.35u; fi
x[_two]l:=x[_two]l-.5u; x[_four]l:=x[_four]l-.5u;
fill stroke z[_five]e..super_arc.e([_four],[_three])
 & super_arc.e([_three],[_two])..z[_one]e; % lobe
%%%%%
penlabels(1,2,3,4,5,6,7,8,9); endchar;

lhchar "Uppercase Russian letter ERY";
cyrchar(ERY,12.5u#,cap_height#,0); %V_width#=12.5u#
if is_small_cap: getcharcode(ery); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(if monospace: 0,0 else:cap_serif_fit#,cap_serif_fit# fi %uwlett_adj
 +4.5u#); %ERYadj
% upper_ery;
numeric left_stem; left_stem=cap_stem-hround 2stem_corr;
pickup tiny.nib; pos1(left_stem,0); pos2(left_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5left_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
if serifs: dish_serif(1,2,a,1/3,cap_jut,b,1/3,cap_jut);  % upper serif
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,.5cap_jut); fi  % lower serif
% usftsn_bowl(2);
_zero:=2;
_one:=3; _two:=4; _three:=5; _four:=6; _five:=7;
%
pickup tiny.nib;
penpos[_one](cap_bar,90);
penpos[_three](cap_curve if hefty:-3stem_corr fi,0);
penpos[_four](cap_band,-90); penpos[_five](cap_band,-90);
z[_five]r=bot z[_zero]; y[_four]=y[_five];
y[_three]=.5[y[_four],y[_two]];
x[_one]=x[_zero]r; x[_three]r=hround(w-u);
if (serifs=false) or (cap_bar#>.5cap_curve#) or (cap_bar<3):
 penpos[_two](cap_bar,90);
 x[_four]=.5[x[_zero],w-if serifs:1.5u else:2.5u fi]+.5u;
 y[_one]=y[_two]=.52h; x[_two]=x[_four];
else: penpos[_two](1/18[cap_bar,cap_curve],90);
 x[_four]=.5[x[_zero],w-1.5u]+.5u;
 y[_one]l=y[_two]l-.35cap_bar=.52h-.5cap_bar;
 x[_two]=x[_four]-.35u; fi
x[_two]l:=x[_two]l-.5u; x[_four]l:=x[_four]l-.5u;
fill stroke z[_five]e..super_arc.e([_four],[_three])
 & super_arc.e([_three],[_two])..z[_one]e; % lobe
%%%
% I
w:=w+4.5u; pickup tiny.nib; rt x8r=rt x9r=w-hround max(2u,3u-.5stem);
top y8=h; bot y9=0; pos8(cap_stem,0); pos9(cap_stem,0);
filldraw stroke z8e--z9e;
if serifs:
 dish_serif(8,9,e,1/3,cap_jut,f,1/3,cap_jut);
 dish_serif(9,8,g,1/3,cap_jut,h,1/3,cap_jut); fi
%%%%%
penlabels(1,2,3,4,5,6,7,8,9); endchar;

lhchar "Uppercase Russian letter SFTSN - SOFT SIGN";
cyrchar(SFTSN,if monospace: 9u# else: 12.5u# fi %V_width#=12.5u#
 ,cap_height#,0);
if is_small_cap: getcharcode(sftsn); fi
italcorr .52*.7cap_height#*slant-.5u#; % D*.52h
adjust_fit(cap_serif_fit#,0);
numeric left_stem; left_stem=cap_stem-hround 2stem_corr;
pickup tiny.nib; pos1(left_stem,0); pos2(left_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5left_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
if serifs:
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,cap_jut);  % upper serif
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,.5cap_jut); fi  % lower serif
% usftsn_bowl(2);
_zero:=2;
_one:=3; _two:=4; _three:=5; _four:=6; _five:=7;
%
pickup tiny.nib;
penpos[_one](cap_bar,90);
penpos[_three](cap_curve if hefty:-3stem_corr fi,0);
penpos[_four](cap_band,-90); penpos[_five](cap_band,-90);
z[_five]r=bot z[_zero]; y[_four]=y[_five];
y[_three]=.5[y[_four],y[_two]];
x[_one]=x[_zero]r; x[_three]r=hround(w-u);
if (serifs=false) or (cap_bar#>.5cap_curve#) or (cap_bar<3):
 penpos[_two](cap_bar,90);
 x[_four]=.5[x[_zero],w-if serifs:1.5u else:2.5u fi]+.5u;
 y[_one]=y[_two]=.52h; x[_two]=x[_four];
else: penpos[_two](1/18[cap_bar,cap_curve],90);
 x[_four]=.5[x[_zero],w-1.5u]+.5u;
 y[_one]l=y[_two]l-.35cap_bar=.52h-.5cap_bar;
 x[_two]=x[_four]-.35u; fi
x[_two]l:=x[_two]l-.5u; x[_four]l:=x[_four]l-.5u;
fill stroke z[_five]e..super_arc.e([_four],[_three])
 & super_arc.e([_three],[_two])..z[_one]e; % lobe
%%%%%
penlabels(1,2,3,4,5,6,7); endchar;

iff serifs:%
lhchar "Uppercase Russian letter EREV - REVERSE E";
cyrchar(EREV,13u#,cap_height#,0);
if is_small_cap: getcharcode(erev); fi
italcorr .7cap_height#*slant-.5u#; %O
adjust_fit(0,0);
% upper_erev;
pickup fine.nib; pos1(cap_hair,180); pos2(cap_band,90);
pos3(cap_curve,0); pos4(cap_band,-90); pos5(hair,-180);
lft x1r=lft x5r=hround u; rt x3r=hround(w-u); x2=x4=.55[x3,x1];
top y2r=h+o; bot y4r=-o; y3=.5h-vair_corr; y3l:=.52h;
bot y1=min(vround.675h,bot y2l-eps); y5=max(good.y .95(h-y1),y4l+eps);
(x2l',y2l)=whatever[z2r,z1l]; x2l:=max(x2l',x2l-.5u);
(x4l',y4l)=whatever[z4r,z5l]; x4l:=max(x4l',x4l-.5u);
filldraw stroke z1e{x2-x1,10(y2-y1)}...pulled_super_arc.e(2,3)(.5superpull)
 & pulled_super_arc.e(3,4)(.5superpull)...{up}z5e; % arc
pos6(.3[fine.breadth,cap_hair],180); x6r=x1r; top y6=h+o;
x1'-x1r=2cap_curve-fine; y1'=y1;
path upper_arc; upper_arc=z1{x2-x1,10(y2-y1)}..z2{right};
numeric t; t=xpart(upper_arc intersectiontimes (z6l--z1'));
filldraw z1r--z6r--z6l--subpath(t,0) of upper_arc--cycle; % barb
%%%
% uerev_bar;
numeric bar[]; y8=y7=y3;
x8=x3l; x7=max(rt x1l+.5hair,0.85[x3l,x1l]);
if (bar#<=.5curve#):
   penpos7(cap_bar,90); penpos8(cap_bar,90);
   bar2=7/8[cap_bar,fudged.cap_stem-3stem_corr];
   penpos9(bar2,45); z9=.475[z7l,z8l];
   fill circ_stroke z7e{2,1}..{2,-1}z9e..{2,1}z8e; % curve /\/
else:
   pickup fine.nib; pos7(cap_bar,90); pos8(cap_bar,90);
   filldraw stroke z7e--z8e; % bar --
fi
%%%%%
penlabels(1,1',2,3,4,5,6,7,8,9); endchar;

iff not serifs:%
lhchar "Uppercase Russian letter EREV - REVERSE E";
cyrchar(EREV,11.5u#,cap_height#,0);
if is_small_cap: getcharcode(erev); fi
italcorr .7cap_height#*slant-.5u#; %O
adjust_fit(0,0);
% uppers_erev;
 pickup fine.nib; pos1(1.2flare,100); pos2(slab,90);
 pos3(cap_curve,0); pos4(slab,-90); pos5(flare,-95);
 lft x1r=hround1.1u; x2=x4=w-(.5w+1.25u);
 rt x3r=w-hround max(u,2u-.5cap_curve);
 lft x5r=hround.9u;
 top y1r=vround .95h+o; top y2r=h+o; y3=.5h;
 bot y4r=-o; bot y5r=vround .08h-o; y5l:=good.y y5l; x5l:=good.x x5l;
 filldraw stroke rterm.e(2,1,left,.9,4) & super_arc.e(2,3)
  & super_arc.e(3,4) & term.e(4,5,left,.8,4);
%%%
% urevs_bar;
pickup fine.nib; numeric bar[];
bar1=if is_small_cap: max(fine.breadth+eps,.6[thin_join,vair])
        else: cap_bar fi;
pos6(bar1,90); pos7(bar1,90);
y7=y6=y3; x7=x3l; x6=max(rt x1l+.5hair,0.85[x3l,x1l]);
filldraw stroke z6e--z7e; % bar --
%%%%%
penlabels(1,2,3,4,5,6,7,8); endchar;

lhchar "Uppercase Russian letter YU (looks like IO)";
cyrchar(YU,14u#-width_adj#,cap_height#,0);
if is_small_cap: getcharcode(yu); fi
italcorr .7cap_height#*slant-.5u#;
adjust_fit(if monospace: 6.5u# else:
        max(5u#+.5cap_stem#,6u#)+cap_serif_fit# fi, %Ipart_adj
 if monospace:-1.25u# else: 0 fi);
% upper_yu;
penpos1(vair',90); penpos3(vround(vair+1.5vair_corr),-90);
penpos2(cap_curve,180); penpos4(cap_curve,0);
if monospace: x2r=hround 1.5u;
 interim superness:=sqrt superness;  % make |"O"|, not |"0"|
else: x2r=hround u; fi
x4r=w-x2r; x1=x3=.5w; y1r=h+o; y3r=-o;
y2=y4=.5h-vair_corr; y2l:=y4l:=.52h;
penstroke pulled_super_arc.e(1,2)(.5superpull)
 & pulled_super_arc.e(2,3)(.5superpull)
 & pulled_super_arc.e(3,4)(.5superpull)
 & pulled_super_arc.e(4,1)(.5superpull) & cycle;  % bowl
%I_part(2);
_zero:=2;
_one:=5; _two:=6; _three:=7; _four:=8;
%
pickup tiny.nib; pos[_one](cap_stem,0); pos[_two](cap_stem,0);%pos
lft x[_one]l=lft x[_two]l=
	l+letter_fit+if monospace:-.35u else: cap_serif_fit fi
	+hround max(2u,3u-.5cap_stem);
top y[_one]=h; bot y[_two]=0;
filldraw stroke z[_one]e--z[_two]e; % stem
x[_three]=x[_one]; y[_three]=y[_zero];
x[_four]=x[_zero]; y[_four]=y[_three];
pos[_three](cap_bar,90); pos[_four](cap_bar,90);
filldraw stroke z[_three]e--z[_four]e; % bar
if serifs: dish_serif([_one],[_two],s,1/3,cap_jut,t,1/3,cap_jut);
 dish_serif([_two],[_one],u,1/3,cap_jut,v,1/3,cap_jut); fi
%%%%%
penlabels(0,1,2,3,4,5,6,7,8); endchar;

iff not concrete:%
iff not specific:%
lhchar "Uppercase Russian letter YA (looks like backward R) (`roman')";
cyrchar(YA,if serifs:13.5u# else:12.5u#-.5width_adj# fi %N_width; upss R
 ,cap_height#,0);
if is_small_cap: getcharcode(ya); fi
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(if serifs:cap_serif_fit# else:0 fi,cap_serif_fit#);
% upperr_ya;
pickup tiny.nib; pos1(cap_stem',0); pos2(cap_stem',0);
rt x1r=rt x2r=hround(w-max(2u,3u-.5cap_stem')); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
penpos3(cap_band,90); penpos4(cap_band,90);
penpos5(cap_curve if hefty:-3stem_corr fi,180);
numeric middle_weight; middle_weight=.5[vair,cap_band];
penpos6(middle_weight,-90); penpos7(middle_weight,-90);
z3r=top z1; y4=y3; y5=.52[y6l,y4l]; y6=y7;
x7=x2; y7l=vround(.5h+.5vair); x4=x6;
if serifs: x4=.5w+.5u; x5r=hround (2u);
 else: x4=.5w-.5u; x5r=hround u; fi
x4l:=x6l:=x4+.125cap_curve;
fill stroke z7e..pulled_arc.e(6,5) & pulled_arc.e(5,4)..z3e;  % lobe
pickup tiny.nib; numeric stem[],alpha,right_jut;
right_jut=if serifs:.6cap_jut else:.4tiny fi;
if serifs: bot y9=bot y2; else: y9=0; fi
lft x9l=hround(if serifs:l+letter_fit+.75u+right_jut else:.5u fi); y8=y6;
stem1=max(tiny.breadth,fudged.cap_stem-3stem_corr);
alpha=diag_ratio(1,.5(stem1-tiny),y1-y9,x9l-x1);
penpos9(alpha*(stem1-tiny),0);
forsuffixes $=l,r:  y9'$=0;  endfor
z9'r=z9r+penoffset z1-z9 of currentpen+whatever*(z1-z9);
z9'l=z9l+penoffset z9-z1 of currentpen+whatever*(z1-z9);
if serifs: z8r=z9'r+whatever*(z1r-z9); else: x8=x6+.5u; fi
penpos8(if serifs:x9'r-x9'l else: cap_stem fi-2stem_corr,0);
fill z8l--diag_end(8l,9'l,1,.5,9'r,8r)--z8r--cycle;  % diagonal
numeric inner_jut;
if lft x2l-cap_jut-.5u+1>=rt x9r+cap_jut: inner_jut=cap_jut;
 else: lft x2r-cap_jut-.5u+1=rt x9r+inner_jut; fi
if serifs:
 nodish_serif(1,2,a,1/3,.5cap_jut,b,1/3,cap_jut); % upper serif
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,cap_jut); % lower serif
 dish_serif(9,8,g,1/2,right_jut,h,1/3,inner_jut)(dark); fi % lower diagonal serif
%%%%%
penlabels(0,1,2,3,4,5,6,7,8,9,10); endchar;

lhchar "Uppercase Russian letter YO (looks like E umlaut)";
cyrchar(YO,12u#-width_adj#,cap_height#+acc_height#,0);
if is_small_cap: getcharcode(yo); fi
italcorr cap_height#*slant-beak_jut#-.5u#;
adjust_fit(cap_serif_fit#,0); h:=cap_height;
% upper_e;
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
pickup crisp.nib; pos3(slab,90); pos4(hair,0);
top y3r=h; x3=x1; rt x4r=hround(w-u); y4=good.y(y3l-beak)-eps;
arm(3,4,e,beak_darkness,beak_jut);  % upper arm and beak
pos5(cap_bar,-90); pos6(hair,0);
top y5l=vround(.52[y2,y1]+.5cap_bar); x5=x1;
pos0(cap_bar,90); pos7(hair,0);
z0=z5; x6=x7; y6-y5l=y0l-y7;
if serifs:
 rt x6r=hround(w-4.4u+.5hair); y6=good.y(y5l+.6beak)+eps;
 rt x9r=hround(w-.5u);
else:
 rt x6r=hround(w-1.5u); y6=y5l+eps; rt x9r=hround(w-.75u); fi
arm(5,6,f,beak_darkness,0); arm(0,7,g,beak_darkness,0);  % middle arm and serif
pos8(slab if not serifs:+2stem_corr fi,-90); pos9(hair,0);
bot y8r=0; x8=x2; y9=good.y(y8l+7/6beak)+eps;
arm(8,9,h,beak_darkness,1.5beak_jut);  % lower arm and beak
if serifs:
 nodish_serif(1,2,a,1/3,cap_jut,b,1/3,.5cap_jut);  % upper serif
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,.5cap_jut); fi  % lower serif
%%%%%
% the accent
h:=cap_height+acc_height;
uppercase_umlaut(if serifs: 0 else: (.5[lft x1l,rt x4r]-.5w) fi,0, 10,11,12,13);
penlabels(0,1,2,3,4,5,6,7,8,9, 10,11,12,13); endchar;

if concrete: input lgrucu; fi % Russian concrete letters

endinput;
%end of file