Improve comment stripping errors #2932

Job	Run time
Build melange and add to artifact cache	41s
Build packages (bubblewrap, hello-wolfi)	1m 21s
Build packages (bubblewrap, glibc)	13m 30s
Build packages (bubblewrap, tini)	1m 15s
Build packages (bubblewrap, lzo)	1m 25s
Build packages (bubblewrap, bubblewrap)	1m 21s
Build packages (bubblewrap, gitsign)	2m 53s
Build packages (bubblewrap, guac)	3m 49s
Build packages (bubblewrap, mdbook)	4m 6s
Build packages (bubblewrap, s3cmd)	1m 9s
Build packages (bubblewrap, perl-yaml-syck)	1m 12s
Build packages (bubblewrap, ncurses)	2m 15s
Build packages (qemu, hello-wolfi)	1m 52s
Build packages (qemu, glibc)	13m 32s
Build packages (qemu, tini)	1m 41s
Build packages (qemu, lzo)	1m 52s
Build packages (qemu, bubblewrap)	1m 38s
Build packages (qemu, gitsign)	3m 26s
Build packages (qemu, guac)	4m 48s
Build packages (qemu, mdbook)	4m 24s
Build packages (qemu, s3cmd)	1m 39s
Build packages (qemu, perl-yaml-syck)	1m 52s
Build packages (qemu, ncurses)	2m 39s
	1h 14m 20s

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