+[testenv:autogen]
+whitelist_externals = /bin/bash
+setenv = PYTHONPATH = {toxinidir}
+commands = bash {[tox]checker_dir}/autogen.sh
+
+[testenv:copyright_year]
+whitelist_externals = /bin/bash
+setenv = PYTHONPATH = {toxinidir}
+commands = bash {[tox]checker_dir}/copyright_year.sh
+
+[testenv:doc_verify]
+# Fix all documentaion error before enabling voting.
+whitelist_externals = /bin/bash
+commands = bash -c "bash {[tox]checker_dir}/doc_verify.sh || true"
+
+[testenv:line_length]
+whitelist_externals = /bin/bash
+# Fix all transgressions and remove the " || true" workaround.
+commands = bash -c "bash {[tox]checker_dir}/line.sh || true"
+
+[testenv:new_line_length]
+whitelist_externals = /bin/bash
+# Adding .svg, big .rst tables, .yaml and similar still requires long lines.
+# As current implementation is too dumb to filter those out,
+# the checker has to remain non-voting.
+commands = bash -c "bash {[tox]checker_dir}/new_line.sh || true"