New macro uc_property_is_valid.

[pspp] / lib / quotearg.h

diff --git a/lib/quotearg.h b/lib/quotearg.h
index 078d9b6b533d9aaaa708bb7430964e790b875ae1..770010700175559a95acfcbdabe23c355e2fc111 100644 (file)
--- a/lib/quotearg.h
+++ b/lib/quotearg.h
@@ -169,7 +169,8 @@ enum quoting_flags
     QA_ELIDE_NULL_BYTES = 0x01,
 
     /* Omit the surrounding quote characters if no escaped characters
-       are encountered.  */
+       are encountered.  Note that if no other character needs
+       escaping, then neither does the escape character.  */
     QA_ELIDE_OUTER_QUOTES = 0x02,
 
     /* In the c_quoting_style and c_maybe_quoting_style, split ANSI