Syntax error indicated for negative rule prioities

[robsdedude]

Given this grammar:

start : a start | a_multi
a.-1 : "a"
a_multi : /a+/

The plugin indicates a syntax error at - in the second line:

LarkTokenType.NUMBER expected, got '-'

This is a valid grammar, however.

[ornariece]

this error will be encountered more often now that lark's default token priority is 0 and not 1 (meaning that negative priorities will be used to give lower priorities than the default one)