templater: fix invalid reference of runsymbol in doctest
Oversight at da710c3df4dc. I was just lucky that this lambda function is
never evaluated.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true