1*ba677afaSXin LiSPDX-License-Identifier: CC-BY-4.0 2*ba677afaSXin Li 3*ba677afaSXin LiThe License diff tool in `package licensediff` makes the following assumptions: 4*ba677afaSXin Li 5*ba677afaSXin Li- In any single Package, a given filename will only appear once. This may or may 6*ba677afaSXin Li not be required by the SPDX spec, but it's kind of implicit in being able to 7*ba677afaSXin Li create a diff indexed by filename.