Make the document sha1 value optional - previous validation treated it as required
Make the document sha1 value optional - previous validation treated it
as required
sschuberth/spdx-tools,goneall/SPDX-Tools,rtgdk/tools,yevster/tools,yevster/tools,romeara/spdx-tools,rtgdk/tools,sschuberth/spdx-tools,rtgdk/tools,sschuberth/spdx-tools,romeara/spdx-tools,yevster/tools,yevster/tools,romeara/spdx-tools,sschuberth/spdx-tools,yevster/tools,goneall/SPDX-Tools,sschuberth/spdx-tools,goneall/SPDX-Tools