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authorLars Ingebrigtsen <larsi@gnus.org>2019-08-23 06:20:41 +0200
committerLars Ingebrigtsen <larsi@gnus.org>2019-08-23 06:20:41 +0200
commitfbbc257190d115dc76e1a8cf4e4992d52d7f55b9 (patch)
tree4117327c4dbe9dab741175f929066718ef51584d /src/lread.c
parente7d3ddf689300bdcccbd1762cf3387ceb17505a1 (diff)
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Give a better error message when reading invalid "\unicode" escapes.
* src/lread.c (read_escape): Give a clearer error message on Unicode escape sequences (bug#36988).
Diffstat (limited to 'src/lread.c')
-rw-r--r--src/lread.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lread.c b/src/lread.c
index e444830c99a..6ae7a0d8ba0 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -2585,7 +2585,8 @@ read_escape (Lisp_Object readcharfun, bool stringp)
want. */
int digit = char_hexdigit (c);
if (digit < 0)
- error ("Non-hex digit used for Unicode escape");
+ error ("Non-hex character used for Unicode escape: %c (%d)",
+ c, c);
i = (i << 4) + digit;
}
if (i > 0x10FFFF)