runtime(sh): Update syntax, fix single-quoted strings in parameter expansions
Ignore single-quoted backslash escape sequences in parameter expansions.
\' is not an escaped single quote in ${foo:-'word\'}.
closes: #17261
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/testdir/input/sh_quoting.sh b/runtime/syntax/testdir/input/sh_quoting.sh
new file mode 100644
index 0000000..dc6a515
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_quoting.sh
@@ -0,0 +1,4 @@
+#!/bin/dash
+
+echo ${foo:-'string \'}
+