commit - d98b5711eb943d09e6ed701d1d6d006bbf2d0205
commit + 5dae01b3d6400a4eee8895ac2625bcffdb3ddcca
blob - 4cb1c3c2e7608943f15db5d095c433e8465bce36
blob + 77737588408f5daf03be8039f26a6322e3e72628
--- .travis.yml
+++ .travis.yml
@@ -4,7 +4,8 @@ os:
   - linux
 
 script:
-  - pip3 install -r requirements.txt
+  - pip install -r requirements.txt
+  - python -m pytest tests/test_grammars.py
 
 notifications:
   email:
blob - 425fb146da64d53bc2af9e49b54e2a757fcf80b4
blob + 74c3cadb79df0663489ba8085fbd34a217461967
--- README.md
+++ README.md
@@ -7,7 +7,7 @@ Grammars suitable for [lark](https://github.com/lark-p
 - [bc](https://man.openbsd.org/bc), an arbitrary precision calculator language (```bc.lark```)
 - [The GEDCOM Standard](http://user.it.uu.se/~andersa/gedcom/) (```gedcom.lark```)
 - [eqn](https://man.openbsd.org/eqn), language reference for mandoc (```eqn.lark```)
-- [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html), Date and time format ```iso-8601.lark```)
+- [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html), date and time format ```iso-8601.lark```)
 - [mdoc](https://man.openbsd.org/mdoc.7), semantic markup language for formatting manual pages (```mdoc.lark```)
 - MIME [Media Types](https://www.iana.org/assignments/media-types/media-types.xhtml) (```mime.lark```)
 - Lua 5.1 language grammar specification (```lua.lark```)