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Clarify effect of print-gensym (Bug#27776)

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* src/print.c (syms_of_print) <print-gensym>: Clarify that use of #N#
and #N= constructs depends on the value of `print-circle'.
This commit is contained in:
Noam Postavsky 2018-01-28 16:57:11 -05:00
parent 53e9fa2b5a
commit 16022626ba
1 changed files with 4 additions and 4 deletions
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8
src/print.c
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@ -2371,10 +2371,10 @@ I.e., (quote foo) prints as \\='foo, (function foo) as #\\='foo. */);
DEFVAR_LISP ("print-gensym", Vprint_gensym, DEFVAR_LISP ("print-gensym", Vprint_gensym,
doc: /* Non-nil means print uninterned symbols so they will read as uninterned. doc: /* Non-nil means print uninterned symbols so they will read as uninterned.
I.e., the value of (make-symbol \"foobar\") prints as #:foobar. I.e., the value of (make-symbol \"foobar\") prints as #:foobar.
When the uninterned symbol appears within a recursive data structure, When the uninterned symbol appears multiple times within the printed
and the symbol appears more than once, in addition use the #N# and #N= expression, and `print-circle' is non-nil, in addition use the #N#
constructs as needed, so that multiple references to the same symbol are and #N= constructs as needed, so that multiple references to the same
shared once again when the text is read back. */); symbol are shared once again when the text is read back. */);
Vprint_gensym = Qnil; Vprint_gensym = Qnil;
DEFVAR_LISP ("print-circle", Vprint_circle, DEFVAR_LISP ("print-circle", Vprint_circle,