Given that it's driven by copyright, the limit could be taken to be 15 lines, in line with the FSF's copyright guidance. https://www.gnu.org/prep/maintain/html

Given that it's driven by copyright, the limit could be taken to be 15 lines, in line with the FSF's copyright guidance. https://www.gnu.org/prep/maintain/html_node/Legally-Significant.html https://www.gnu.org/prep/maintain/html_node/Legally-Signific...