HP Pascal/HP-UX Release Notes Version A.10.08

34 Chapter 1
New and Changed Features
Making Thread-Safe HP Pascal/HP-UX Routines
The only other construct that is important to note is that certain string
manipulation operators and functions use the heap for temporary
storage. This is thread-safe but may cause a performance problem. You
can use the $STRINGTEMPLIMIT$ compiler option to allocate space in
the stack.