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+%% @metafontfile{
+%% filename="xbbold.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, Electronic Products and Services,
+%% 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 = "65084 191 579 7949"
+%% 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 of minimal parameters in outlined characters for version 2.1
+% done by Stefan Lindner, 18-April-1991
+
+input xbbase;
+%%mode_setup; %called by amsyb.mf; two calls confuse Metafont. NGB 15-OCT-1991
+
+%%%%designsize:= font_size; % was 10pt#;
+width#:= designsize; % was 10pt#;
+unit#:= width#/18;
+u#:= width#/54;
+smallu#:= width#/162;
+ascender#:= 37/3*unit#;
+cap#:= 37/3*unit#;
+number#:= 36/3*unit#;
+xheight#:= 25/3*unit#;
+descender#:= 12/4*unit#;
+define_whole_vertical_pixels
+ (width,unit,u,smallu,ascender,cap,number,xheight,descender);
+wpix(1.90u) (linethickness);
+wpix(0.65u) (Sover_bot);
+wpix(1.00u) (Aapex,Napex,Vapex,Wapex,Cover,Gover,Oover,Sover_top,Uover);
+wpix(9.00u) (Uthin_bracket);
+wpix(8.00u) (Kthin_diag_bracket,Xthin_diag_bracket,Ythin_diag_bracket);
+wpix(7.00u) (k_thin_diag);
+wpix(6.00u) (c_thin_stem_bracket);
+wpix(5.00u) (c_thick_stem_bracket,c_inner_bracket,lc_thick_stem_bracket);
+wpix(4.00u) (c_round_bracket);
+adjpix(1.35u) (serif_thickness);
+adjpix(1.30u) (Emid_tip,inbeak);
+adjpix(1.50u) (Atip,Btopthin,Bmidthin,Ebot_tip,Ltip,Mapex,
+ Ntip,Ttip,Vtip,Wtip,Ztip,outbeak);
+adjpix(1.65u) (Bbotthin,Gbotthin,Stopthin);
+adjpix(1.75u) (Dtopthin,Ebotarm,Lthin,Tthin);
+adjpix(1.80u) (Abar,Ctopthin,Dbotthin,Gtopthin,Jbotthin,Pmidarm,Sbotthin);
+adjpix(1.90u) (Emidarm,Etoparm,Othin,Pthin,Rthin,Ydiag,Zthin);
+adjpix(2.00u) (kthin,Mthin_diag,Wleftthin);
+adjpix(2.10u) (Ctip);
+adjpix(2.25u) (Athin,Kthin,Mthin_vert,Nthin,Uthin,Vthin,Wrightthin,Xthin);
+adjpix(2.50u) (Hbar);
+adjpix(2.60u) (Cbotthin);
+
+
+%%%% Begin of changes for version 2.1
+if pixels_per_inch*designsize < 1500:
+ if pixels_per_inch*designsize < 1000:
+ if pixels_per_inch*designsize < 800:
+ if pixels_per_inch*designsize < 700:
+ minadjpix(0)(8.80u) (stem);
+ minadjpix(0)(6.80u) (kdiag);
+ minadjpix(0)(7.40u) (kstem);
+ minadjpix(0)(7.80u) (Jbulb,Mdiag);
+ minadjpix(0)(8.20u) (Kdiag);
+ minadjpix(0)(8.30u) (Gstem,Mstem);
+ minadjpix(0)(8.60u) (Lstem,Ustem,Ythick_diag);
+ minadjpix(0)(8.50u) (Bstem,Estem,Fstem,Ndiag,Rdiag,Xdiag,Zdiag);
+ minadjpix(0)(8.90u) (Btopcurve);
+ minadjpix(1)(9.30u) (Bbotcurve,Pcurve,Rcurve);
+ minadjpix(1)(9.50u) (Ccurve,Dcurve,Gcurve,Ocurve);
+ else:
+ minadjpix(1)(8.80u) (stem);
+ minadjpix(1)(6.80u) (kdiag);
+ minadjpix(1)(7.40u) (kstem);
+ minadjpix(1)(7.80u) (Jbulb,Mdiag);
+ minadjpix(1)(8.20u) (Kdiag);
+ minadjpix(1)(8.30u) (Gstem,Mstem);
+ minadjpix(1)(8.60u) (Lstem,Ustem,Ythick_diag);
+ minadjpix(1)(8.50u) (Bstem,Estem,Fstem,Ndiag,Rdiag,Xdiag,Zdiag);
+ minadjpix(1)(8.90u) (Btopcurve);
+ minadjpix(2)(9.30u) (Bbotcurve,Pcurve,Rcurve);
+ minadjpix(2)(9.50u) (Ccurve,Dcurve,Gcurve,Ocurve);
+ fi
+ else:
+ adjpix(3.0u) (Mapex);
+ minadjpix(1)(8.80u) (stem);
+ minadjpix(2)(6.80u) (kdiag);
+ minadjpix(2)(7.40u) (kstem);
+ minadjpix(2)(7.80u) (Jbulb);
+ minadjpix(1)(6.00u) (Mdiag);
+ minadjpix(2)(8.20u) (Kdiag);
+ minadjpix(2)(8.30u) (Gstem)
+ minadjpix(2)(8.30u) (Mstem);
+ minadjpix(2)(8.60u) (Lstem,Ustem,Ythick_diag);
+ minadjpix(2)(8.50u) (Bstem,Ndiag,Rdiag,Xdiag,Zdiag);
+ minadjpix(1)(8.50u) (Estem, Fstem);
+ minadjpix(2)(8.90u) (Btopcurve);
+ minadjpix(3)(9.30u) (Bbotcurve,Pcurve,Rcurve);
+ minadjpix(3)(9.50u) (Ccurve,Dcurve,Gcurve,Ocurve);
+ fi
+ else:
+ adjpix(3.0u) (Mapex);
+ minadjpix(2)(8.80u) (stem);
+ minadjpix(3)(6.80u) (kdiag);
+ minadjpix(3)(7.40u) (kstem);
+ minadjpix(3)(7.80u) (Jbulb);
+ minadjpix(1)(5.00u) (Mdiag);
+ minadjpix(3)(8.20u) (Kdiag);
+ minadjpix(3)(8.30u) (Gstem);
+ minadjpix(2)(8.30u) (Mstem);
+ minadjpix(3)(8.60u) (Lstem,Ustem,Ythick_diag);
+ minadjpix(3)(8.50u) (Estem,Fstem,Ndiag,Rdiag,Xdiag,Zdiag);
+ minadjpix(2)(8.50u) (Bstem);
+ minadjpix(3)(8.90u) (Btopcurve);
+ minadjpix(3)(9.30u) (Bbotcurve,Pcurve,Rcurve);
+ minadjpix(3)(9.50u) (Ccurve,Dcurve,Gcurve,Ocurve)
+ fi
+else:
+ minadjpix(4)(8.80u) (stem);
+ minadjpix(4)(6.80u) (kdiag);
+ minadjpix(4)(7.40u) (kstem);
+ minadjpix(4)(7.80u) (Jbulb,Mdiag);
+ minadjpix(4)(8.20u) (Kdiag);
+ minadjpix(4)(8.30u) (Gstem,Mstem);
+ minadjpix(4)(8.60u) (Lstem,Ustem,Ythick_diag);
+ minadjpix(4)(8.50u) (Bstem,Estem,Fstem,Ndiag,Rdiag,Xdiag,Zdiag);
+ minadjpix(4)(8.90u) (Btopcurve);
+ minadjpix(5)(9.30u) (Bbotcurve,Pcurve,Rcurve);
+ minadjpix(5)(9.50u) (Ccurve,Dcurve,Gcurve,Ocurve)
+fi;
+%%%% end of changes for version 2.1
+
+boolean lowres; lowres:=width<50;
+highres_lowres(pullin) (.85)(1); % Emidarm
+highres_lowres(pulleven) (1)(1.3); % Etoparm,Tarms,Zarms
+highres_lowres(pullout) (1.1)(1); % Ebotarm,Lbotarm
+highres_lowres(bracket0) (.0)(0); % Ntopleft
+highres_lowres(bracket3) (.3)(0); % Nthinstems
+highres_lowres(bracket01) (.0)(.1); % Uthin
+highres_lowres(bracket32) (.3)(.2); % Vstems
+highres_lowres(bracket4) (.4)(0); % P-all,R-all,I-all,F-all
+highres_lowres(bracket42) (.4)(.2); % Xdiag
+
+bool(ctrls):=false;
+entasis:=inlimit(0)(0,1);
+serif_constant_amt:=0pt;
+join_radius:=1;
+bool(softpath):=true;
+
+c_thick_stem_bracket:=min(.5cap-eps,c_thick_stem_bracket);
+rulepen:=pensquare scaled 1;
+extra_beginchar:=extra_beginchar&"save t,p,ref; path p[],p[]',p[]'',ref[];";
+extra_beginchar:=extra_beginchar&"pickup pencircle scaled linethickness;";
+
+for x:="R":
+ wanted[byte x]:=true; endfor % test these characters
+ let iff=always_iff; % tests all chars in the file
+
+font_normal_space .3width#; % TeX fontdimen 2 normal word space
+font_normal_stretch .15width#; % TeX fontdimen 3 interword stretch
+font_normal_shrink .1width#; % TeX fontdimen 4 interword shrink
+font_x_height xheight#; % Tex fontdinem 5 for accents
+font_quad width#; % TeX fontdimen 6 quad width
+font_extra_space .1width#; % TeX fontdimen 7 extra space(period)
+
+
+input xbcaps
+bye % changed from "end" 26 Aug 93; bnb