Try to get around codespell false positives

.github/workflows/codespell.yml

@@ -33,4 +33,4 @@ jobs:
         with:
           check_filenames: true
           ignore_words_file: .codespellignore
-          skip: "*.csv,*.dkvp,*.txt,*.js,*.html,*.map,./tags,./test/cases,./docs/src/shapes-of-data.md.in,./docs/src/shapes-of-data.md"
+          skip: "*.csv,*.dkvp,*.txt,*.js,*.html,*.map,./tags,./test/cases,./docs/src/shapes-of-data.md.in,./docs/src/shapes-of-data.md,test/input/medium.z,test/input/latin1.xtab"