From 5e43ddf5ffd1313c66df0955caa6f9130ed975ec Mon Sep 17 00:00:00 2001
From: Jim Blandy <jimb@redhat.com>
Date: Fri, 29 Jan 1993 21:32:37 +0000
Subject: [PATCH] * lread.c (read1): Although digits followed by a '.' are an 
 integer, a single . by itself (like, say, \.) should be a symbol.

---
 src/lread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lread.c b/src/lread.c
index 721955c358..e2aa7206ab 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -1047,7 +1047,7 @@ read1 (readcharfun)
 	      while (p1 != p && (c = *p1) >= '0' && c <= '9') p1++;
 #ifdef LISP_FLOAT_TYPE
 	      /* Integers can have trailing decimal points.  */
-	      if (p1 < p && *p1 == '.') p1++;
+	      if (p1 > read_buffer && p1 < p && *p1 == '.') p1++;
 #endif
 	      if (p1 == p)
 		/* It is an integer. */
-- 
2.39.2