yaml-grammar issues

Rule prefix length - 1 or 2 characters, or more?

The spec says each rule name has a "1 or 2 character prefix". https://github.com/yaml/yaml-grammar/blob/15047828ace28d09594d3553b90b165fef60634b/yaml-spec-1.2.yaml#L57 However, some rules have more than 2 characters. For example, rule 062 [`c-ns-esc-char`](https://github.com/yaml/yaml-grammar/blob/15047828ace28d09594d3553b90b165fef60634b/yaml-spec-1.2.yaml#L947) has 4 chars:...

aSemy

Description for rule prefixes mentions, but does not define, `n`

The description for some of the rule prefixes mention an `n` variable. https://github.com/yaml/yaml-grammar/blob/15047828ace28d09594d3553b90b165fef60634b/yaml-spec-1.2.yaml#L78-L82 However, it is not clear what `n` is. Is `n` supposed to be the [current indentation level](https://github.com/yaml/yaml-grammar/blob/15047828ace28d09594d3553b90b165fef60634b/yaml-spec-1.2-comments.yaml#L91)?...

aSemy

Names for Rules Variables are difficult to understand in context

The spec describes 4 rule variables, `n`, `m`, `c`, and `t`. * https://github.com/yaml/yaml-grammar/blob/15047828ace28d09594d3553b90b165fef60634b/yaml-spec-1.2.yaml#L91 * https://github.com/yaml/yaml-grammar/blob/15047828ace28d09594d3553b90b165fef60634b/yaml-spec-1.2.yaml#L93 * https://github.com/yaml/yaml-grammar/blob/15047828ace28d09594d3553b90b165fef60634b/yaml-spec-1.2.yaml#L95 * https://github.com/yaml/yaml-grammar/blob/15047828ace28d09594d3553b90b165fef60634b/yaml-spec-1.2.yaml#L103 I find a terse, single letter, variable in the spec difficult...

aSemy