% Computer Modern Blackboard Sans Serif 9 pt
% Was cmss9; modified for blackboard letter
% Gilles F. ROBERT (29-03-93)
if unknown blbbase: input blbbase fi

font_identifier:="CMBBSS"; font_size 9pt#;

u#:=18.5/36pt#;      % unit width
width_adj#:=13/36pt#;    % width adjustment for certain characters
serif_fit#:=-6.5/36pt#;    % extra sidebar near lowercase serifs
cap_serif_fit#:=-9/36pt#;  % extra sidebar near uppercase serifs
letter_fit#:=0pt#;    % extra space added to all sidebars

body_height#:=243/36pt#;  % height of tallest characters
asc_height#:=225/36pt#;    % height of lowercase ascenders
cap_height#:=225/36pt#;    % height of caps
fig_height#:=212/36pt#;    % height of numerals
x_height#:=144/36pt#;    % height of lowercase without ascenders
math_axis#:=81/36pt#;    % axis of symmetry for math symbols
bar_height#:=71/36pt#;    % height of crossbar in lowercase e
comma_depth#:=41/36pt#;    % depth of comma below baseline
desc_depth#:=63/36pt#;    % 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#:=8/36pt#;    % width of extrafine details % was 16/36pt# GFR
hair#:=27/36pt#;    % lowercase hairline breadth
stem#:=27/36pt#;    % lowercase stem breadth
curve#:=27/36pt#;    % lowercase curve breadth
ess#:=27/36pt#;      % breadth in middle of lowercase s
flare#:=24/36pt#;    % diameter of bulbs or breadth of terminals
dot_size#:=28/36pt#;    % diameter of dots
cap_hair#:=27/36pt#;    % uppercase hairline breadth
cap_stem#:=31/36pt#;    % uppercase stem breadth
cap_curve#:=31/36pt#;    % uppercase curve breadth
cap_ess#:=31/36pt#;    % breadth in middle of uppercase s
rule_thickness#:=.38pt#;  % 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#:=.5/36pt#;    % vertical protrusion of beak serifs
vair#:=21/36pt#;    % vertical diameter of hairlines
notch_cut#:=17/36pt#;    % maximum breadth above or below notches
bar#:=20/36pt#;      % lowercase bar thickness
slab#:=22/36pt#;    % serif and arm thickness
cap_bar#:=21/36pt#;    % uppercase bar thickness
cap_band#:=19/36pt#;    % uppercase thickness above/below lobes
cap_notch_cut#:=24/36pt#;  % 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#:=4.5/36pt#;    % extra width at diagonal junctions

o#:=7/36pt#;      % amount of overshoot for curves
apex_o#:=0pt#;      % amount of overshoot for diagonal junctions

slant:=0;      % tilt ratio $(\Delta x/\Delta y)$
fudge:=.95;      % factor applied to weights of heavy characters
math_spread:=.2;    % 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#:=27/36pt#;    % space between the doubled bars
cap_interspace#:=31/36pt#;    % same for uppercase letters

generate blbord      % switch to the driver file

