Cannot render erDiagram when field name starts with pk

[fuelen]

Describe the bug
Cannot render erDiagram when field name starts with pk, pkce for example

To Reproduce
Steps to reproduce the behavior:

1. open https://mermaid.live
2. paste this code

erDiagram
  test {
    uuid id PK
    text pkce
  }

Observe the following error:

Parse error on line 4:
...uuid id PK    text pkce  }
----------------------^
Expecting 'ATTRIBUTE_WORD', got 'ATTRIBUTE_KEY'

Expected behavior
allow fields which start with pk

[fuelen]

Seems like it is already fixed here #3168