parser: use %d instead of %s for interpolating error position
Error position is an int, so we should use %d instead of %s. Fixes
failures on Python 3.
# 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