Restore Counters Keyword
Switch to load counters from a file.
for filename details and examples. All counters that were previously saved for this
subject ID will be loaded, existing counters will not be affected unless their counter
number happens to be in the file in which case the counter will get the value in
the file. Counter values are loaded as the item is parsed, not at the end of the
item or when the frame containing the keyword is displayed.