diff -up ./scripts/context/perl/mptopdf.pl.fix-scripts ./scripts/context/perl/mptopdf.pl

--- ./scripts/context/perl/mptopdf.pl.fix-scripts	2023-05-25 11:52:19.149713294 -0400

+++ ./scripts/context/perl/mptopdf.pl	2023-05-25 11:53:05.379317240 -0400

@@ -1,5 +1,4 @@

-eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}' && eval 'exec perl -S $0 $argv:q'

-        if 0;

+#! /usr/bin/perl -w

 # MikTeX users can set environment variable TEXSYSTEM to "miktex".

diff -up ./scripts/thumbpdf/thumbpdf.pl.fix-scripts ./scripts/thumbpdf/thumbpdf.pl

--- ./scripts/thumbpdf/thumbpdf.pl.fix-scripts	2023-05-25 11:53:23.018547680 -0400

+++ ./scripts/thumbpdf/thumbpdf.pl	2023-05-25 11:53:44.086822918 -0400

@@ -1,5 +1,4 @@

-eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}' && eval 'exec perl -S $0 $argv:q'

-  if 0;

+#! /usr/bin/perl -w

 use strict;

 $^W=1; # turn warning on

 #