Commit df631196 authored by Stefan Monnier's avatar Stefan Monnier
Browse files

(PSEUDOVECTOR_SIZE_MASK): Expand docstring.

parent 15fdcac7
......@@ -297,7 +297,11 @@ enum pvec_type
#endif
};
/* For convenience, we also store the number of elements in these bits. */
/* For convenience, we also store the number of elements in these bits.
Note that this size is not necessarily the memory-footprint size, but
only the number of Lisp_Object fields (that need to be traced by the GC).
The distinction is used e.g. by Lisp_Process which places extra
non-Lisp_Object fields at the end of the structure. */
#define PSEUDOVECTOR_SIZE_MASK 0x1ff
/* Number of bits to put in each character in the internal representation
......
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