Align some text.
Typo fix.
Fix typos.
Fixed a typo.
Improve phrasing.
Improve phrasing.
RHS alternatives are built up of 'primaries', not just 'symbols'.
Correct a typo.
Make the :lexeme pseudo-rule's lexeme status a bit clearer.
Fix a bunch of typos.
Merge pull request #116 from SixtyOfPi/fixtypos

Fix typos