`weakness' (nil, t, key or value)
`data' (a list)
- If `print-readably' is non-nil, then a simpler syntax is used; for
- instance:
+ If `print-readably' is nil, then a simpler syntax is used, for example
#<hash-table size 2/13 data (key1 value1 key2 value2) 0x874d>