message: Redo renaming AnchorOffset to AnchorRange after reverting commits
diff: namespace verilog {
  namespace kythe {
  -// Position of the Anchor in the original text.
  -struct AnchorOffset {
  +// Position of the Anchor in the original text. Required to be able to reference
  +// Anchor's content in the original string (as Anchor is owning its content --
  +// string_view is not applicable).
  +struct AnchorRange {
  const int begin;
  const int length;
  - AnchorOffset(int b, int l) : begin(b), length(l) {}
  + AnchorRange(int b, int l) : begin(b), length(l) {}
  };
  // Anchor class represents the location and value of some token.
  @@ -84,7 +86,7 @@ class Anchor {
  // Substring of the original text that corresponds to this Anchor.
  std::string content_;
  - std::optional<AnchorOffset> source_text_offset_;
  + std::optional<AnchorRange> source_text_offset_;
  };
  std::ostream& operator<<(std::ostream&, const Anchor&);
  