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PostScript
1-30 Guide to Using Page Description Languages
The following table lists the implementation limits that are not
defined in the PostScript standard, but are inherently different on
PostScript devices.
Table 1-2. Implementation limits
Quantity Limit Description
integer
Largest: 2
31
-1
Smallest: -2
31
_
real
Largest: 10
38
Smallest: -10
38
Actual values are slightly less than 10
38
and slightly more than -10
38
.
array
65536 or 2
16
Maximum length of an array
dict
65536 or 2
16
Maximum capacity of a dictionary (key
value pairs)
string
262144 or 2
18
Maximum number of characters in a
name
file See “File operators and standard
devices”
_
userdict 2000 Capacity of UserDict
operand stack 5000 Maximum depth of the operand stack
dict stack 50 Maximum depth of the dictionary stack
exec stack 250 Maximum depth of the execution stack
interpreter level Variable Maximum number of recursive
invocation of the interpreter
save level 31 Maximum number of active saves
gsave level 31 Maximum number of active gsaves
path 1500
See
”Path limits”
_
dash 65536 Maximum elements in dash pattern
VM Approximately 4 megabytes Maximum size of the virtual memory in
bytes
systemdict 256 Maximum capacity of System Dict
errordict 28 Maximum capacity of Error Dict