Recompress the cache to level _LEVEL_ using the Zstandard algorithm. The
level can be an integer, with the same semantics as the
- <<config_compression_level,*compression_level*>> configuration option), or
+ <<config_compression_level,*compression_level*>> configuration option, or
the special value *uncompressed* for no compression. See
_<<Cache compression>>_ for more information. This can potentionally take a
long time since all files in the cache need to be visited. Only files that