% Computer Modern Slanted Blackboard Sans Serif 8 pt
% Was cmssi8; modified for blackboard letter
% Gilles F. ROBERT (29-03-93)
if unknown blbbase: input blbbase fi

font_identifier:="CMBBSSI"; font_size 8pt#;

u#:=17/36pt#;      % unit width
width_adj#:=12/36pt#;    % width adjustment for certain characters
serif_fit#:=-6/36pt#;    % extra sidebar near lowercase serifs
cap_serif_fit#:=-8.5/36pt#;  % extra sidebar near uppercase serifs
letter_fit#:=0pt#;    % extra space added to all sidebars

body_height#:=216/36pt#;  % height of tallest characters
asc_height#:=200/36pt#;    % height of lowercase ascenders
cap_height#:=200/36pt#;    % height of caps
fig_height#:=189/36pt#;    % height of numerals
x_height#:=128/36pt#;    % height of lowercase without ascenders
math_axis#:=72/36pt#;    % axis of symmetry for math symbols
bar_height#:=63/36pt#;    % height of crossbar in lowercase e
comma_depth#:=37/36pt#;    % depth of comma below baseline
desc_depth#:=56/36pt#;    % depth of lowercase descenders

crisp#:=0pt#;      % diameter of serif corners
tiny#:=0pt#;      % diameter of rounded corners
fine#:=0pt#;      % diameter of sharply rounded corners
thin_join#:=7.5/36pt#;    % width of extrafine details % was 15/36pt# GFR
hair#:=25/36pt#;    % lowercase hairline breadth
stem#:=25/36pt#;    % lowercase stem breadth
curve#:=25/36pt#;    % lowercase curve breadth
ess#:=25/36pt#;      % breadth in middle of lowercase s
flare#:=22/36pt#;    % diameter of bulbs or breadth of terminals
dot_size#:=26/36pt#;    % diameter of dots
cap_hair#:=25/36pt#;    % uppercase hairline breadth
cap_stem#:=29/36pt#;    % uppercase stem breadth
cap_curve#:=29/36pt#;    % uppercase curve breadth
cap_ess#:=28/36pt#;    % breadth in middle of uppercase s
rule_thickness#:=.36pt#;  % thickness of lines in math symbols

dish#:=0pt#;      % amount erased at top or bottom of serifs
bracket#:=0pt#;      % vertical distance from serif base to tangent
jut#:=0pt#;      % protrusion of lowercase serifs
cap_jut#:=0pt#;      % protrusion of uppercase serifs
beak_jut#:=0pt#;    % horizontal protrusion of beak serifs
beak#:=.4/36pt#;    % vertical protrusion of beak serifs
vair#:=19/36pt#;    % vertical diameter of hairlines
notch_cut#:=16/36pt#;    % maximum breadth above or below notches
bar#:=18/36pt#;      % lowercase bar thickness
slab#:=20/36pt#;    % serif and arm thickness
cap_bar#:=19/36pt#;    % uppercase bar thickness
cap_band#:=17/36pt#;    % uppercase thickness above/below lobes
cap_notch_cut#:=22/36pt#;  % max breadth above/below uppercase notches
serif_drop#:=2/36pt#;    % vertical drop of sloped serifs
stem_corr#:=1/36pt#;    % for small refinements of stem breadth
vair_corr#:=1/36pt#;    % for small refinements of hairline height
apex_corr#:=4/36pt#;    % extra width at diagonal junctions

o#:=6/36pt#;      % amount of overshoot for curves
apex_o#:=0pt#;      % amount of overshoot for diagonal junctions

slant:=sind 12/cosd 12;    % tilt ratio $(\Delta x/\Delta y)$
fudge:=.93;      % factor applied to weights of heavy characters
math_spread:=.4;    % extra openness of math symbols
superness:=1/sqrt 2;    % parameter for superellipses
superpull:=1/20;    % extra openness inside bowls
beak_darkness:=0;    % fraction of triangle inside beak serifs
ligs:=2;      % level of ligatures to be included

square_dots:=true;    % should dots be square?
hefty:=true;      % should we try hard not to be overweight?
serifs:=false;      % should serifs and bulbs be attached?
monospace:=false;    % should all characters have the same width?
variant_g:=false;    % should an italic-style g be used?
low_asterisk:=false;    % should the asterisk be centered at the axis?
math_fitting:=false;    % should math-mode spacing be used?

interspace#:=25/36pt#;    % space between the doubled bars
cap_interspace#:=29/36pt#;    % same for uppercase letters

generate blbord      % switch to the driver file