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-rw-r--r--src/lread.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/lread.c b/src/lread.c
index 901e40b3489..dbaadce4b40 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -3479,6 +3479,24 @@ read1 (Lisp_Object readcharfun, int *pch, bool first_in_list)
if (! NILP (result))
return unbind_to (count, result);
}
+ if (!quoted && multibyte)
+ {
+ int ch = STRING_CHAR ((unsigned char *) read_buffer);
+ switch (ch)
+ {
+ case 0x2018: /* LEFT SINGLE QUOTATION MARK */
+ case 0x2019: /* RIGHT SINGLE QUOTATION MARK */
+ case 0x201B: /* SINGLE HIGH-REVERSED-9 QUOTATION MARK */
+ case 0x201C: /* LEFT DOUBLE QUOTATION MARK */
+ case 0x201D: /* RIGHT DOUBLE QUOTATION MARK */
+ case 0x201F: /* DOUBLE HIGH-REVERSED-9 QUOTATION MARK */
+ case 0x301E: /* DOUBLE PRIME QUOTATION MARK */
+ case 0xFF02: /* FULLWIDTH QUOTATION MARK */
+ case 0xFF07: /* FULLWIDTH APOSTROPHE */
+ xsignal2 (Qinvalid_read_syntax, build_string ("strange quote"),
+ CALLN (Fstring, make_number (ch)));
+ }
+ }
{
Lisp_Object result;
ptrdiff_t nbytes = p - read_buffer;