lower case v causes error in the parser

[timelyportfolio]

It appears v anywhere inside the diagram spec will cause the parser to fail. As an example,
graph LR; v; fails while graph LR; V; works just fine.

ref rich-iannone/DiagrammeR#47

[timelyportfolio]

updated to say any "v" in spec causes an error

[knsv]

Fixed the problem, it will be included in the next release. Root cause was that the character v is also used for direction down

[timelyportfolio]

I see the fix and the test passes. However, this graph LR; v; still does not work while this does graph TD; V-->a[v]. Should I expect this or just know that v is a reserved character?

[knsv]

Missed this one or I would have included this in 0.3.3.

I have added v as a valid for ids so with the next release this will work. Perhaps we should sum things up and do bigger fix for the characters. Right now its one at a time when they pop up.

[vijay40]

The wiki should be updated to reflect that direction of graph can also be specified by >,<,^,v.

[knsv]

This si working in the mermaid version 0.4.0. Closing this issue. Reopen if this till is a problem.

[timelyportfolio]

Sorry to be a pain, but...

graph TD; v-->a; still does not work
graph TD; V[v]-->a; does

Not really a huge problem, but v as reserved and not available as an id should probably be documented.

[knsv]

I agree, will look at it. It is a "keyword" but perhaps the grammar could allow this keyword.