class Tilt::Template

easier and more appropriate.
offset. In most cases, overriding the #precompiled_template method is
control over source generation or want to adjust the default line
Template subclasses may override this method when they need complete

offset is the integer line offset where line reporting should begin.
source is the string containing (Ruby) source code for the template and
postamble and returns a two-tuple of the form: [source, offset], where
Generates all template source by combining the preamble, template, and

def precompiled(locals)
  preamble = precompiled_preamble(locals)
  template = precompiled_template(locals)
  magic_comment = extract_magic_comment(template)
  if magic_comment
    # Magic comment e.g. "# coding: utf-8" has to be in the first line.
    # So we copy the magic comment to the first line.
    preamble = magic_comment + "\n" + preamble
  end
  parts = [
    preamble,
    template,
    precompiled_postamble(locals)
  ]
  [parts.join("\n"), preamble.count("\n") + 1]
end