Improve FileSpan.context

Previously, if FileSpan.end was directly after a newline,
FileSpan.context would include the entire next line in the span. Then
when this span was highlighted, the end would point confusingly to the
beginning of that next line.
4 files changed
tree: e8ba3166de50a1092a4ccf4005e73dba37589777
  1. pkgs/