/usr/share/genometools/gtdata/doc/ is in genometools-common 1.5.9+ds-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/genometools/gtdata/doc/cds.lua
/usr/share/genometools/gtdata/doc/chseqids.lua
/usr/share/genometools/gtdata/doc/csa.lua
/usr/share/genometools/gtdata/doc/csa_example_consensus_spliced_alignments.gff3
/usr/share/genometools/gtdata/doc/csa_example_spliced_alignments.gff3
/usr/share/genometools/gtdata/doc/eval.lua
/usr/share/genometools/gtdata/doc/extractfeat.lua
/usr/share/genometools/gtdata/doc/extractseq.lua
/usr/share/genometools/gtdata/doc/fingerprint.lua
/usr/share/genometools/gtdata/doc/genomediff.lua
/usr/share/genometools/gtdata/doc/gff3.lua
/usr/share/genometools/gtdata/doc/gt.lua
/usr/share/genometools/gtdata/doc/hop.lua
/usr/share/genometools/gtdata/doc/id_to_md5.lua
/usr/share/genometools/gtdata/doc/luafilter.lua
/usr/share/genometools/gtdata/doc/luafilter_function.lua
/usr/share/genometools/gtdata/doc/magicmatch.lua
/usr/share/genometools/gtdata/doc/mutate.lua
/usr/share/genometools/gtdata/doc/readjoiner.lua
/usr/share/genometools/gtdata/doc/regionmapping.lua
/usr/share/genometools/gtdata/doc/regionmapping_function.lua
/usr/share/genometools/gtdata/doc/regionmapping_table.lua
/usr/share/genometools/gtdata/doc/select.lua
/usr/share/genometools/gtdata/doc/seqmutate.lua
/usr/share/genometools/gtdata/doc/sequniq.lua
/usr/share/genometools/gtdata/doc/shredder.lua
/usr/share/genometools/gtdata/doc/snpper.lua
/usr/share/genometools/gtdata/doc/splicesiteinfo.lua
/usr/share/genometools/gtdata/doc/uniq.lua