archival: flag missing files as a dirty wdir() in the metadata file (BC)
Since the identify command adds a '+' for missing files, it's reasonable that
this does too. Perhaps the node field's hex value should be p1+p2 for merges?
# 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