Initial very WIP commit.

.gitignore

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+**/__pycache__

formatitko.py

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+#!/usr/bin/env python3
+
+# Import local files
+from whitespace import *
+
+from panflute import *
+
+
+ifs = ["dog"]
+
+
+def transform(e: Element):
+	"""Transform the AST, making format-agnostic changes."""
+	if isinstance(e, Whitespace) and bavlna(e):
+		e.parent.content[e.index] = NBSP()
+
+	if hasattr(e, "attributes"):
+		if "if" in e.attributes:
+			if not e.attributes["if"] in ifs:
+				del e.parent.content[e.index]
+
+	if hasattr(e, "content"):
+		for c in e.content:
+			transform(c)
+		
+
+doc = load()
+
+print(stringify(doc))
+transform(doc)
+print("---------------------")
+print(stringify(doc))
+print(vars(doc))
+
+

test.md

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+# Hello world!
+
+This is an *example* **yay**!
+
+```python3
+def what():
+    return no way
+```
+:::{if=cat}
+This should only be shown to cats
+:::
+
+This should be seen by all.
+
+[This too!]{if=cat}
+
+[!woah]{a=b} <!-- A special command! WOW -->
+
+

whitespace.py

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+from panflute import Space,SoftBreak
+from typing import Union
+
+Whitespace = Union[Space,SoftBreak]
+
+class NBSP(Space):
+	pass
+
+def bavlna(e: Whitespace):
+	"""Determine if given piece of whitespace should be non-breakable."""
+	return False
+