# Fix links for the text in $txt
sub fixlinks
{
$txt =~ s/\bCtrl-C\b/Ctrl-C<\/a>/g;
$txt =~ s/\bAdmittansen\b/Admittansen<\/a>/g;
$txt =~ s/\bLiU\b/LiU<\/a>/g;
$txt =~ s/\bLiTH\b/LiTH<\/a>/g;
$txt =~ s/\bIDA\b/IDA<\/a>/g;
$txt =~ s/\bISY\b/ISY<\/a>/g;
$txt =~ s/\bIFM\b/IFM<\/a>/g;
$txt =~ s/\bIKP\b/IKP<\/a>/g;
}