Inline math behvaior tests

test.md

text and $math broken
into multiple lines$

renders as

text and $math broken into multiple lines$

(agrees with Pandoc)

---

text and $
math starting with a newline$

renders as

text and $ math starting with a newline$

(agrees with Pandoc)

---

text and $math
ending with a newline
$

renders as

text and $math ending with a newline $

(Pandoc doesn't parse as math)

---

text and $math with \
escaped newline$

renders as

text and $math with
escaped newline$

(Pandoc parses as math)

---

text and$math surroundend by$it

renders as

text and$math surroundend by$it

(Pandoc parses as math)