refactor: enhance block attribute matching

[ldez]

Description

Support % and . for:

• quotes
• admonition
• pass-through

  Syntax example

[quote#someone-quote]
This is just a quote from someone.

[quote.famous]
This is just a quote from someone.

[quote#someone-quote.famous]
This is just a quote from someone.

[quote#id]
This is just a quote from someone.

[quote.role]
This is just a quote from someone.

[quote%option]
This is just a quote from someone.

[quote.role#id]
This is just a quote from someone.

[quote#id.role]
This is just a quote from someone.

[quote%option#id]
This is just a quote from someone.

[quote.role%option]
This is just a quote from someone.

Screenshots

[mojavelinux]

:+1: