According to Wikipedia:
"When sections are repealed, their text is deleted and replaced by a note summarizing what used to be there." https://en.wikipedia.org/wiki/United_States_Code#Treatment_o...
"When sections are repealed, their text is deleted and replaced by a note summarizing what used to be there." https://en.wikipedia.org/wiki/United_States_Code#Treatment_o...
"Remove pages 123.4 - 123.6 and replace with pages 123.4a-123.7."
Later, when I learned about diffs, I understood the concept immediately.