>>> import albatross
>>> ctx = albatross.SimpleContext('.')
>>> ctx.locals.title = 'Mr.'
>>> ctx.locals.fname = 'Harry'
>>> ctx.locals.lname = 'Tuttle'
>>> templ = albatross.Template(ctx, '<magic>', '''<al-value expr="title"> 
... <al-value expr="fname"> 
... <al-value expr="lname">
... ''')
>>> ctx.push_content_trap()
>>> templ.to_html(ctx)
>>> ctx.pop_content_trap()
'Mr. \nHarry \nTuttle'