Use mermaidAPI in mermaid scope
Use mermaidAPI in mermaid scope

Introduced by https://github.com/knsv/mermaid/commit/a5b71455271aef1180eefa1054d751dea1885e3f#diff-67ae90c5144c55348a3cbdb078240454L532

Fixes #600

Parse only throws error: https://github.com/knsv/mermaid/commit/167368d508f1e5b1606b2b45f892cdd60d479448#diff-67ae90c5144c55348a3cbdb078240454

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