Implement "Cardblock"-Syntax Parsing

[CallMeCrazYN]

To define a card with this syntax one simply has 3(or 2) Syntax-Elements that wrap around the different sections of the card.

Card Begin: Identifies the beginning
p.e.: {card}

Card Separator: "Flips" the card over. Identifies the next card side
p.e.: ----
Card End: Ends the card.
p.e.: {end}

(i would prefer the Separator and end to be the same element.
so the second occurence of the separator would stop the card)

To create a valid card with this syntax, 2 options exist:

Option 1:

{card} 

Question/Front of Card

----

Answer/Backside

----

Option 2:

{card}

Question/Front of Card

----

Answer/Backside

{card}
.....
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