font_coding_scheme:="The letters I, Pi, Xi"; mode_setup; font_setup; cmchar "The letter I"; % Added serifs beginchar("I", if known I_cap_jut: (cap_stem#+2I_cap_jut#+2u#), else: max(6u#,4u#+cap_stem#), fi cap_height#,0); italcorr cap_height#*slant-.25u#; adjust_fit(cap_serif_fit#,cap_serif_fit#); 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 if serifs: dish_serif(1,2,a,1/3,1.05cap_jut,b,1/3,1.05cap_jut); % upper serif dish_serif(2,1,c,1/3,1.05cap_jut,d,1/3,1.05cap_jut); fi % lower serif if known I_cap_jut: if I_cap_jut > 0: pos3(slab,90); pos4(slab,90); rt x4r=(w-u); x3=w-x4; top y4r = top y3r = h; filldraw stroke z4e--z3e; pos5(slab,90); pos6(slab,90); x5=x3; x6=x4; y5=y6; bot y5l=0; filldraw stroke z5e--z6e; fi fi math_fit(0,.5ic#); penlabels(1,2,3,4,5,6); endchar; cmchar "Uppercase Greek Pi"; beginchar(oct"005",13u#+width_adj#,cap_height#,0); italcorr if hefty: cap_height#*slant else: cap_height#*slant-cap_serif_fit#+I_cap_jut#-2.5u#+min(.5cap_stem#,u#) fi; adjust_fit(cap_serif_fit#,cap_serif_fit#); pickup tiny.nib; h:=vround(h-stem_corr); pos1(cap_stem,0); pos2(cap_stem,0); pos3(cap_stem,0); pos4(cap_stem,0); lft x1l=lft x2l=hround if hefty: u+I_cap_jut else: max(2u,3u-.5cap_stem) fi; 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; y5r=y6r=h; 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 nodish_serif(1,2,a,1/3,cap_jut,b,1/3,eps); % upper left serif dish_serif(2,1,c,1/3,cap_jut,d,1/3,inner_jut); % lower left serif nodish_serif(3,4,e,1/3,eps,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: nodish_serif(1,2,a,1/3,I_cap_jut,b,1/3,eps); % upper left serif nodish_serif(3,4,e,1/3,eps,f,1/3,I_cap_jut); % upper right serif fi math_fit(0,.5ic#); penlabels(1,2,3,4,5,6); endchar; cmchar "Uppercase Greek Xi"; beginchar(oct"004",12u#,cap_height#,0); italcorr cap_height#*slant-.35u#; adjust_fit(0,0); h:=vround(h-2stem_corr); numeric shaved_stem; shaved_stem=hround .9[vair,.85cap_stem]; if shaved_stemtop y7r+.75cap_jut: xjut=.5cap_jut; else: bot y2=top y7r+1.5xjut; fi pos11(hair,0); pos12(hair,0); y11=y12; pos13(hair,0); pos14(hair,0); y13=y14; lft x11l=lft x13l=w-rt x12r=w-rt x14r=hround 2.5u; top y11-bot y13=shaved_stem+2xjut; .5[y11,y13]=y7; filldraw stroke z11e--z13e; filldraw stroke z12e--z14e; fi % middle serifs math_fit(0,.5ic#); penlabels(1,2,3,4,5,6,7,8,11,12,13,14); endchar; font_slant slant; font_x_height x_height#; if monospace: font_normal_space 9u#; % no stretching or shrinking font_quad 18u#; font_extra_space 9u#; else: font_normal_space 6u#+2letter_fit#; font_normal_stretch 3u#; font_normal_shrink 2u#; font_quad 18u#+4letter_fit#; font_extra_space 2u#; k#:=-.5u#; ligtable "I": "I" kern -k#; % Richard III fi bye.