fileset: add function to switch revision where fileset will be evaluated If the subset isn't filtered yet, i.e. if fullmatchctx, the new subset is recalculated from scratch. Otherwise, it is narrowed by the existing subset.

# 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