update elements and fix some bugs

lib/src/prism/tests/languages/vhdl/vhdl-vectors_feature.test

Index: lib/src/prism/tests/languages/vhdl/vhdl-vectors_feature.test
diff --git a/lib/src/prism/tests/languages/vhdl/vhdl-vectors_feature.test b/lib/src/prism/tests/languages/vhdl/vhdl-vectors_feature.test
new file mode 100644
index 0000000000000000000000000000000000000000..1159abe3b16b3edd4a8ecc4fde3ec272a7e04bf4
--- /dev/null
+++ b/lib/src/prism/tests/languages/vhdl/vhdl-vectors_feature.test
@@ -0,0 +1,21 @@
+B"1111_1111"
+O"353"
+X"AA55"
+"010101"
+"Z"
+"X"
+
+----------------------------------------------------
+
+[
+	["vhdl-vectors", "B\"1111_1111\""],
+	["vhdl-vectors", "O\"353\""],
+	["vhdl-vectors", "X\"AA55\""],
+	["vhdl-vectors", "\"010101\""],
+	["vhdl-vectors", "\"Z\""],
+	["vhdl-vectors", "\"X\""]
+]
+
+----------------------------------------------------
+
+Checks for vectors