metafont comment % The (not really) first 20 or so lines from the plain METAFONT base
metafont blank
metafont comment % Unlimited copying and redistribution of this file are permitted as long
metafont comment % as this file is not modified. Modifications are permitted, but only if
metafont comment % the resulting file is not named plain.mf.
metafont blank
metafont code string base_name, base_version; base_name="plain"; base_version="2.71";
metafont blank
metafont code message "Preloading the plain base, version "&base_version&": preliminaries,";
metafont blank
metafont code delimiters (); % this makes parentheses behave like parentheses
metafont code def upto = step 1 until enddef; % syntactic sugar
metafont code def downto = step -1 until enddef;
metafont code def exitunless expr c = exitif not c enddef;
metafont code let relax = \; % ignore the word `relax', as in TeX
metafont code let \\ = \; % double relaxation is like single
metafont code def ]] = ] ] enddef; % right brackets should be loners
metafont code def -- = {curl 1}..{curl 1} enddef;
metafont code def --- = .. tension infinity .. enddef;
metafont code def ... = .. tension atleast 1 .. enddef;
metafont blank
metafont code def gobble primary g = enddef; def killtext text t = enddef;