- schhist/schhist2web: strip the top-level sheet name prefix from sub-sheet
names
- schhist/schhist2web: option -f to identify sub-sheets by their file name
instead of the sheet name
- schhist/schhist2web: keep the name of the top-level sheet constant across
renames
- schhist/schhist2web: if using -f, try to keep the name of the sub-sheets
constant across renames