Robustify the parser

[kwannoel]

In GitLab by @fahree on Dec 12, 2020, 00:26

null

[kwannoel]

In GitLab by @fahree on Dec 12, 2020, 00:26

Make sure we test the accordance of grammar and documentation, with all edge cases

[kwannoel]

In GitLab by @fahree on Dec 12, 2020, 00:50

assigned to @Akaa

[kwannoel]

In GitLab by @ApolloUnicorn on Mar 17, 2021, 23:58

assigned to @drewc and unassigned @Akaa

[kwannoel]

In GitLab by @plotnick on Sep 9, 2021, 02:24

unassigned @drewc