}
my $formula=$params{formula};
$formula=~s/[^a-zA-Z0-9]*//g;
$formula=IkiWiki::possibly_foolish_untaint($formula);
if (! length $formula ||
! IkiWiki::Plugin::postsparkline::formula->can($formula)) {
}
my $formula=$params{formula};
$formula=~s/[^a-zA-Z0-9]*//g;
$formula=IkiWiki::possibly_foolish_untaint($formula);
if (! length $formula ||
! IkiWiki::Plugin::postsparkline::formula->can($formula)) {