42355: Fix use of backslashes on here doc input.

Handling of white space in particular was confusing and inconsistent
with other shells.

1 files changed, 10 insertions, 1 deletions

diff --git a/Src/exec.c b/Src/exec.c
index c39680de7..e5c64555c 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -4387,8 +4387,17 @@ gethere(char **strp, int typ)
 		bptr = buf + bsiz;
 		bsiz *= 2;
 	    }
-	    if (lexstop || c == '\n')
+	    if (lexstop)
 		break;
+	    if (c == '\n') {
+		if (!qt && bptr > t && *(bptr - 1) == '\\') {
+		    /* line continuation */
+		    bptr--;
+		    c = hgetc();
+		    continue;
+		} else
+		    break;
+	    }
 	    *bptr++ = c;
 	    c = hgetc();
 	}