>>> import albatross
>>> ctx = albatross.SimpleContext('.')
>>> text = '''
... <al-textarea name="msg">
...  Type in some text
... </al-textarea whitespace>
... '''
>>> albatross.Template(ctx, '<magic>', text).to_html(ctx)
>>> ctx.flush_content()
<textarea name="msg">Type in some text
</textarea>
>>> ctx.locals.msg = 'This came from the program'
>>> albatross.Template(ctx, '<magic>', text).to_html(ctx)
>>> ctx.flush_content()
<textarea name="msg">This came from the program</textarea>