The problem seems to be not treating a single quote that follows a
backslash as the end of a single-quoted string.
diff --git a/bashline.c b/bashline.c
index 774f813f..b1837d43 100644
--- a/bashline.c
+++ b/bashline.c
@@ -4077,15 +4077,13 @@ bash_dequote_filename (char *text, int quote_char)
ret = (char *)xmalloc (l + 1);
for (quoted = quote_char, p = text, r = ret; p && *p; p++)
{
- /* Allow backslash-escaped characters to pass through unscathed. */
- if (*p == '\\')
+ /* Allow backslash-escaped characters to pass through unscathed,
+ unless in single quotes */
+ if (quoted != '\'' && *p == '\\')
{
- /* Backslashes are preserved within single quotes. */
- if (quoted == '\'')
- *r++ = *p;
/* Backslashes are preserved within double quotes unless the
character is one that is defined to be escaped */
- else if (quoted == '"' && ((sh_syntaxtab[(unsigned char)p[1]] & CBSDQUOTE) == 0))
+ if (quoted == '"' && ((sh_syntaxtab[(unsigned char)p[1]] & CBSDQUOTE) == 0))
*r++ = *p;
*r++ = *++p;
