diff --git a/src/v2_parser.rs b/src/v2_parser.rs
index dfced19..8a3d3cd 100644
--- a/src/v2_parser.rs
+++ b/src/v2_parser.rs
@@ -882,9 +882,8 @@ fn node_space1(input: &mut Input<'_>) -> PResult<()> {
     repeat(1.., node_space).parse_next(input)
 }
 
-/// `string := identifier-string | quoted-string | raw-string`
+/// string := identifier-string | quoted-string | raw-string ¶
 pub(crate) fn string(input: &mut Input<'_>) -> PResult<Option<KdlValue>> {
-    // TODO: shouldn't put the `resume_after_cut`s here, because they mess with context from higher levels.
     trace(
         "string",
         alt((
@@ -1018,32 +1017,65 @@ fn equals_sign(input: &mut Input<'_>) -> PResult<()> {
 }
 
 /// ```text
-/// quoted-string := '"' single-line-string-body '"' | '"""' newline multi-line-string-body newline unicode-space*) '"""'
+/// quoted-string := '"' single-line-string-body '"' | '"""' newline multi-line-string-body newline (unicode-space | ('\' (unicode-space | newline)+)*) '"""'
 /// single-line-string-body := (string-character - newline)*
-/// multi-line-string-body := string-character*
+/// multi-line-string-body := (('"' | '""')? string-character)*
 /// ```
-fn quoted_string<'s>(input: &mut Input<'s>) -> PResult<KdlValue> {
-    let quotes = alt((("\"\"\"", newline).take(), "\"")).parse_next(input)?;
+fn quoted_string(input: &mut Input<'_>) -> PResult<KdlValue> {
+    let quotes =
+        alt((
+            (
+                "\"\"\"",
+                cut_err(newline).context(cx().lbl("multi-line string newline").msg(
+                    "Multi-line string opening quotes must be immediately followed by a newline",
+                )),
+            )
+                .take(),
+            "\"",
+        ))
+        .parse_next(input)?;
     let is_multiline = quotes.len() > 1;
     let ml_prefix: Option<String> = if is_multiline {
         Some(
-            peek(preceded(
+            cut_err(peek(preceded(
                 repeat_till(
                     0..,
                     (
-                        repeat(0.., (not(newline), opt(ws_escape), string_char)).map(|()| ()),
+                        repeat(
+                            0..,
+                            (
+                                not(newline),
+                                alt((
+                                    ws_escape.void(),
+                                    trace(
+                                        "valid string body char(s)",
+                                        alt((
+                                            ('\"', not("\"\"")).void(),
+                                            ('\"', not("\"")).void(),
+                                            string_char.void(),
+                                        )),
+                                    )
+                                    .void(),
+                                )),
+                            ),
+                        )
+                        .map(|()| ()),
                         newline,
                     ),
                     peek(terminated(
-                        repeat(0.., unicode_space).map(|()| ()),
+                        repeat(0.., alt((ws_escape, unicode_space))).map(|()| ()),
                         "\"\"\"",
                     )),
                 )
                 .map(|((), ())| ()),
-                terminated(repeat(0.., unicode_space).map(|()| ()).take(), "\"\"\""),
-            ))
-            .parse_next(input)?
-            .to_string(),
+                terminated(
+                    repeat(0.., alt((ws_escape.map(|_| ""), unicode_space.take())))
+                        .map(|s: String| s),
+                    "\"\"\"",
+                ),
+            )))
+            .context(cx().lbl("multi-line string"))
+            .parse_next(input)?,
         )
     } else {
         None
@@ -1052,30 +1084,40 @@ fn quoted_string<'s>(input: &mut Input<'s>) -> PResult<KdlValue> {
         let parser = repeat_till(
             0..,
             (
-                cut_err(alt((&prefix[..], peek(newline).take())))
+                cut_err(alt(((&prefix[..]).void(), peek(empty_line).void())))
                     .context(cx().msg("matching multiline string prefix").lbl("bad prefix").hlp("Multi-line string bodies must be prefixed by the exact same whitespace as the leading whitespace before the closing '\"\"\"'")),
                 alt((
-                    newline.take().map(|_| "\n".to_string()),
+                    empty_line.map(|s| s.to_string()),
                     repeat_till(
                         0..,
-                        (not(newline), opt(ws_escape), string_char).map(|(_, _, s)| s),
+                        (
+                            not(newline),
+                            alt((
+                                ws_escape.map(|_| None),
+                                alt((
+                                    ('\"', not("\"\"")).map(|(c, ())| Some(c)),
+                                    ('\"', not("\"")).map(|(c, ())| Some(c)),
+                                    string_char.map(Some),
+                                ))
+                            ))
+                        ).map(|(_, c)| c),
                         newline,
                     )
                     // multiline string literal newlines are normalized to `\n`
-                    .map(|(s, _): (String, _)| format!("{s}\n")),
+                    .map(|(cs, _): (Vec<Option<char>>, _)| cs.into_iter().flatten().chain(vec!['\n']).collect::<String>()),
                 )),
             )
                 .map(|(_, s)| s),
             (
                 &prefix[..],
-                repeat(0.., unicode_space).map(|()| ()).take(),
+                repeat(0.., ws_escape.void()).map(|()| ()),
                 peek("\"\"\""),
             ),
         )
         .map(|(s, _): (Vec<String>, (_, _, _))| {
             let mut s = s.join("");
             // Slice off the `\n` at the end of the last line.
-            s.truncate(s.len() - 1);
+            s.truncate(s.len().saturating_sub(1));
             s
         })
         .context(cx().lbl("multi-line quoted string"));
@@ -1090,13 +1132,14 @@ fn quoted_string<'s>(input: &mut Input<'s>) -> PResult<KdlValue> {
                             .hlp("You can make a string multi-line by wrapping it in '\"\"\"', with a newline immediately after the opening quotes."),
                     ),
                 ),
-                opt(ws_escape),
-                string_char,
-            )
-                .map(|(_, _, s)| s),
-            (repeat(0.., unicode_space).map(|()| ()).take(), peek("\"")),
+                alt((
+                    ws_escape.map(|_| None),
+                    string_char.map(Some),
+                ))
+                ).map(|(_, c)| c),
+            peek("\"")
         )
-        .map(|(s, (end, _)): (String, (&'s str, _))| format!("{s}{end}"))
+        .map(|(cs, _): (Vec<Option<char>>, _)| cs.into_iter().flatten().collect::<String>())
         .context(cx().lbl("quoted string"));
         cut_err(parser).parse_next(input)?
     };
@@ -1112,8 +1155,19 @@ fn quoted_string<'s>(input: &mut Input<'s>) -> PResult<KdlValue> {
     Ok(KdlValue::String(body))
 }
 
+fn empty_line(input: &mut Input<'_>) -> PResult<&'static str> {
+    repeat(0.., alt((ws_escape.void(), unicode_space.void())))
+        .map(|()| ())
+        .parse_next(input)?;
+    newline.parse_next(input)?;
+    Ok("\n")
+}
+
 /// Like badval, but is able to slurp up invalid raw strings, which contain whitespace.
 fn quoted_string_badval(input: &mut Input<'_>) -> PResult<()> {
+    // TODO(@zkat): this should have different behavior based on whether we're
+    // resuming a single or multi-line string. Right now, multi-liners end up
+    // with silly errors.
     (
         repeat_till(
             0..,
@@ -1135,19 +1189,25 @@ fn quoted_string_terminator(input: &mut Input<'_>) -> PResult<()> {
 /// ```
 fn string_char(input: &mut Input<'_>) -> PResult<char> {
     alt((
-        escaped_char,
-        (not(disallowed_unicode), none_of(['\\', '"'])).map(|(_, c)| c),
+        trace("escaped char", escaped_char),
+        trace(
+            "regular string char",
+            (not(disallowed_unicode), none_of(['\\', '"'])).map(|(_, c)| c),
+        ),
     ))
     .parse_next(input)
 }
 
 fn ws_escape(input: &mut Input<'_>) -> PResult<()> {
-    (
-        "\\",
-        repeat(1.., alt((unicode_space, newline))).map(|()| ()),
+    trace(
+        "ws_escape",
+        (
+            "\\",
+            repeat(1.., alt((unicode_space, newline))).map(|()| ()),
+        ),
     )
-        .void()
-        .parse_next(input)
+    .void()
+    .parse_next(input)
 }
 
 /// ```text
@@ -1182,10 +1242,13 @@ fn escaped_char(input: &mut Input<'_>) -> PResult<char> {
     .parse_next(input)
 }
 
-/// `raw-string := '#' raw-string-quotes '#' | '#' raw-string '#'`
-/// `raw-string-quotes := '"' single-line-raw-string-body '"' | '"""' newline multi-line-raw-string-body newline unicode-space*) '"""'`
-/// `single-line-raw-string-body := (unicode - newline - disallowed-literal-code-points)*`
-/// `multi-line-raw-string-body := (unicode - disallowed-literal-code-points)`
+/// ```text
+/// raw-string := '#' raw-string-quotes '#' | '#' raw-string '#'
+/// raw-string-quotes := '"' single-line-raw-string-body '"' | '"""' newline multi-line-raw-string-body '"""'
+/// single-line-raw-string-body := '' | (single-line-raw-string-char - '"') single-line-raw-string-char*? | '"' (single-line-raw-string-char - '"') single-line-raw-string-char*?
+/// single-line-raw-string-char := unicode - newline - disallowed-literal-code-points
+/// multi-line-raw-string-body := (unicode - disallowed-literal-code-points)*?
+/// ```
 fn raw_string(input: &mut Input<'_>) -> PResult<KdlValue> {
     let hashes: String = repeat(1.., "#").parse_next(input)?;
     let quotes = alt((("\"\"\"", newline).take(), "\"")).parse_next(input)?;
@@ -1229,10 +1292,10 @@ fn raw_string(input: &mut Input<'_>) -> PResult<KdlValue> {
         repeat_till(
             0..,
             (
-                cut_err(alt((&prefix[..], peek(newline).take())))
+                cut_err(alt(((&prefix[..]).void(), peek(empty_line).void())))
                     .context(cx().lbl("matching multiline raw string prefix")),
                 alt((
-                    newline.take().map(|_| "\n".to_string()),
+                    empty_line.map(|s| s.to_string()),
                     repeat_till(
                         0..,
                         (not(newline), not(("\"\"\"", &hashes[..])), any)
@@ -1254,7 +1317,7 @@ fn raw_string(input: &mut Input<'_>) -> PResult<KdlValue> {
         .map(|(s, _): (Vec<String>, (_, _, _))| {
             let mut s = s.join("");
             // Slice off the `\n` at the end of the last line.
-            s.truncate(s.len() - 1);
+            s.truncate(s.len().saturating_sub(1));
             s
         })
         .parse_next(input)?
@@ -1311,7 +1374,7 @@ mod string_tests {
     }
 
     #[test]
-    fn quoted_string() {
+    fn single_line_quoted_string() {
         assert_eq!(
             string.parse(new_input("\"foo\"")).unwrap(),
             Some(KdlValue::String("foo".into()))
@@ -1363,6 +1426,14 @@ mod string_tests {
             Some(KdlValue::String("\nstring\t".into())),
             "Empty line without any indentation"
         );
+        assert_eq!(
+            string
+                .parse(new_input("\"\"\"\n 	 \\\n          \n 	 \"\"\""))
+                .unwrap(),
+            Some(KdlValue::String("".into())),
+            "Escaped whitespace with proper prefix"
+        );
+
         assert!(string
             .parse(new_input("\"\"\"\nfoo\n  bar\n  baz\n  \"\"\""))
             .is_err());
@@ -1491,9 +1562,9 @@ fn disallowed_unicode(input: &mut Input<'_>) -> PResult<()> {
 /// `escline := '\\' ws* (single-line-comment | newline | eof)`
 fn escline(input: &mut Input<'_>) -> PResult<()> {
     "\\".parse_next(input)?;
-    repeat(0.., ws).map(|_: ()| ()).parse_next(input)?;
+    wss.parse_next(input)?;
     alt((single_line_comment, newline, eof.void())).parse_next(input)?;
-    repeat(0.., ws).map(|_: ()| ()).parse_next(input)
+    wss.parse_next(input)
 }
 
 #[cfg(test)]
@@ -1596,9 +1667,12 @@ fn multi_line_comment_test() {
         .is_ok());
 }
 
-/// slashdash := '/-' line-space*
+/// slashdash := '/-' (node-space | line-space)*
 fn slashdash(input: &mut Input<'_>) -> PResult<()> {
-    ("/-", repeat(0.., line_space).map(|()| ()))
+    (
+        "/-",
+        repeat(0.., alt((node_space, line_space))).map(|()| ()),
+    )
         .void()
         .parse_next(input)
 }
diff --git a/tests/test_cases/expected_kdl/multiline_raw_string_containing_quotes.kdl b/tests/test_cases/expected_kdl/multiline_raw_string_containing_quotes.kdl
new file mode 100644
index 0000000..6b04c7c
--- /dev/null
+++ b/tests/test_cases/expected_kdl/multiline_raw_string_containing_quotes.kdl
@@ -0,0 +1 @@
+node "\"\"\"triple-quote\"\"\"\n##\"too few quotes\"##\n#\"\"\"too few #\"\"\"#"
diff --git a/tests/test_cases/expected_kdl/multiline_string_containing_quotes.kdl b/tests/test_cases/expected_kdl/multiline_string_containing_quotes.kdl
new file mode 100644
index 0000000..03dc73b
--- /dev/null
+++ b/tests/test_cases/expected_kdl/multiline_string_containing_quotes.kdl
@@ -0,0 +1 @@
+node "this string contains \"quotes\", twice\"\""
diff --git a/tests/test_cases/expected_kdl/multiline_string_escape_in_closing_line.kdl b/tests/test_cases/expected_kdl/multiline_string_escape_in_closing_line.kdl
new file mode 100644
index 0000000..e7186a6
--- /dev/null
+++ b/tests/test_cases/expected_kdl/multiline_string_escape_in_closing_line.kdl
@@ -0,0 +1 @@
+node "foo bar\nbaz"
diff --git a/tests/test_cases/expected_kdl/multiline_string_escape_in_closing_line_shallow.kdl b/tests/test_cases/expected_kdl/multiline_string_escape_in_closing_line_shallow.kdl
new file mode 100644
index 0000000..314069e
--- /dev/null
+++ b/tests/test_cases/expected_kdl/multiline_string_escape_in_closing_line_shallow.kdl
@@ -0,0 +1 @@
+node "  foo bar\n  baz"
diff --git a/tests/test_cases/expected_kdl/multiline_string_whitespace_only.kdl b/tests/test_cases/expected_kdl/multiline_string_whitespace_only.kdl
new file mode 100644
index 0000000..4d04294
--- /dev/null
+++ b/tests/test_cases/expected_kdl/multiline_string_whitespace_only.kdl
@@ -0,0 +1 @@
+node "" "" "" "\n\n    " "\n"
diff --git a/tests/test_cases/expected_kdl/raw_string_just_quote.kdl b/tests/test_cases/expected_kdl/raw_string_just_quote.kdl
deleted file mode 100644
index 0a76315..0000000
--- a/tests/test_cases/expected_kdl/raw_string_just_quote.kdl
+++ /dev/null
@@ -1 +0,0 @@
-node "\""
diff --git a/tests/test_cases/expected_kdl/slashdash_escline_before_arg_type.kdl b/tests/test_cases/expected_kdl/slashdash_escline_before_arg_type.kdl
new file mode 100644
index 0000000..2e98005
--- /dev/null
+++ b/tests/test_cases/expected_kdl/slashdash_escline_before_arg_type.kdl
@@ -0,0 +1 @@
+node arg2
diff --git a/tests/test_cases/expected_kdl/slashdash_escline_before_children.kdl b/tests/test_cases/expected_kdl/slashdash_escline_before_children.kdl
new file mode 100644
index 0000000..dd5fe2e
--- /dev/null
+++ b/tests/test_cases/expected_kdl/slashdash_escline_before_children.kdl
@@ -0,0 +1 @@
+node arg1
diff --git a/tests/test_cases/expected_kdl/slashdash_escline_before_node.kdl b/tests/test_cases/expected_kdl/slashdash_escline_before_node.kdl
new file mode 100644
index 0000000..6810417
--- /dev/null
+++ b/tests/test_cases/expected_kdl/slashdash_escline_before_node.kdl
@@ -0,0 +1 @@
+node2
diff --git a/tests/test_cases/expected_kdl/slashdash_false_node.kdl b/tests/test_cases/expected_kdl/slashdash_false_node.kdl
new file mode 100644
index 0000000..8f69eb8
--- /dev/null
+++ b/tests/test_cases/expected_kdl/slashdash_false_node.kdl
@@ -0,0 +1 @@
+node foo bar
diff --git a/tests/test_cases/expected_kdl/unusual_bare_id_chars_in_quoted_id.kdl b/tests/test_cases/expected_kdl/unusual_bare_id_chars_in_quoted_id.kdl
index 8321632..ef66d22 100644
--- a/tests/test_cases/expected_kdl/unusual_bare_id_chars_in_quoted_id.kdl
+++ b/tests/test_cases/expected_kdl/unusual_bare_id_chars_in_quoted_id.kdl
@@ -1 +1 @@
-foo123~!@$%^&*.:'|?+<>, weeee
+foo123~!@$%^&*.:'|?+<>,`-_ weeee
diff --git a/tests/test_cases/expected_kdl/unusual_chars_in_bare_id.kdl b/tests/test_cases/expected_kdl/unusual_chars_in_bare_id.kdl
index 8321632..ef66d22 100644
--- a/tests/test_cases/expected_kdl/unusual_chars_in_bare_id.kdl
+++ b/tests/test_cases/expected_kdl/unusual_chars_in_bare_id.kdl
@@ -1 +1 @@
-foo123~!@$%^&*.:'|?+<>, weeee
+foo123~!@$%^&*.:'|?+<>,`-_ weeee
diff --git a/tests/test_cases/expected_kdl/zero_arg.kdl b/tests/test_cases/expected_kdl/zero_arg.kdl
deleted file mode 100644
index 74405b6..0000000
--- a/tests/test_cases/expected_kdl/zero_arg.kdl
+++ /dev/null
@@ -1 +0,0 @@
-node 0
diff --git a/tests/test_cases/input/bare_ident_numeric_dot.kdl b/tests/test_cases/input/bare_ident_numeric_dot_fail.kdl
similarity index 100%
rename from tests/test_cases/input/bare_ident_numeric_dot.kdl
rename to tests/test_cases/input/bare_ident_numeric_dot_fail.kdl
diff --git a/tests/test_cases/input/bare_ident_numeric.kdl b/tests/test_cases/input/bare_ident_numeric_fail.kdl
similarity index 100%
rename from tests/test_cases/input/bare_ident_numeric.kdl
rename to tests/test_cases/input/bare_ident_numeric_fail.kdl
diff --git a/tests/test_cases/input/bare_ident_numeric_sign.kdl b/tests/test_cases/input/bare_ident_numeric_sign_fail.kdl
similarity index 100%
rename from tests/test_cases/input/bare_ident_numeric_sign.kdl
rename to tests/test_cases/input/bare_ident_numeric_sign_fail.kdl
diff --git a/tests/test_cases/input/bom_later.kdl b/tests/test_cases/input/bom_later_fail.kdl
similarity index 100%
rename from tests/test_cases/input/bom_later.kdl
rename to tests/test_cases/input/bom_later_fail.kdl
diff --git a/tests/test_cases/input/brackets_in_bare_id.kdl b/tests/test_cases/input/brackets_in_bare_id_fail.kdl
similarity index 100%
rename from tests/test_cases/input/brackets_in_bare_id.kdl
rename to tests/test_cases/input/brackets_in_bare_id_fail.kdl
diff --git a/tests/test_cases/input/dot_but_no_fraction_before_exponent.kdl b/tests/test_cases/input/dot_but_no_fraction_before_exponent_fail.kdl
similarity index 100%
rename from tests/test_cases/input/dot_but_no_fraction_before_exponent.kdl
rename to tests/test_cases/input/dot_but_no_fraction_before_exponent_fail.kdl
diff --git a/tests/test_cases/input/dot_but_no_fraction.kdl b/tests/test_cases/input/dot_but_no_fraction_fail.kdl
similarity index 100%
rename from tests/test_cases/input/dot_but_no_fraction.kdl
rename to tests/test_cases/input/dot_but_no_fraction_fail.kdl
diff --git a/tests/test_cases/input/dot_in_exponent.kdl b/tests/test_cases/input/dot_in_exponent_fail.kdl
similarity index 100%
rename from tests/test_cases/input/dot_in_exponent.kdl
rename to tests/test_cases/input/dot_in_exponent_fail.kdl
diff --git a/tests/test_cases/input/dot_zero.kdl b/tests/test_cases/input/dot_zero_fail.kdl
similarity index 100%
rename from tests/test_cases/input/dot_zero.kdl
rename to tests/test_cases/input/dot_zero_fail.kdl
diff --git a/tests/test_cases/input/empty_arg_type.kdl b/tests/test_cases/input/empty_arg_type_fail.kdl
similarity index 100%
rename from tests/test_cases/input/empty_arg_type.kdl
rename to tests/test_cases/input/empty_arg_type_fail.kdl
diff --git a/tests/test_cases/input/empty_node_type.kdl b/tests/test_cases/input/empty_node_type_fail.kdl
similarity index 100%
rename from tests/test_cases/input/empty_node_type.kdl
rename to tests/test_cases/input/empty_node_type_fail.kdl
diff --git a/tests/test_cases/input/empty_prop_type.kdl b/tests/test_cases/input/empty_prop_type_fail.kdl
similarity index 100%
rename from tests/test_cases/input/empty_prop_type.kdl
rename to tests/test_cases/input/empty_prop_type_fail.kdl
diff --git a/tests/test_cases/input/eof_after_escape.kdl b/tests/test_cases/input/eof_after_escape.kdl
index eed8d72..0136726 100644
--- a/tests/test_cases/input/eof_after_escape.kdl
+++ b/tests/test_cases/input/eof_after_escape.kdl
@@ -1 +1 @@
-node \
+node \
\ No newline at end of file
diff --git a/tests/test_cases/input/err_backslash_in_bare_id.kdl b/tests/test_cases/input/err_backslash_in_bare_id_fail.kdl
similarity index 100%
rename from tests/test_cases/input/err_backslash_in_bare_id.kdl
rename to tests/test_cases/input/err_backslash_in_bare_id_fail.kdl
diff --git a/tests/test_cases/input/false_prop_key.kdl b/tests/test_cases/input/false_prop_key_fail.kdl
similarity index 100%
rename from tests/test_cases/input/false_prop_key.kdl
rename to tests/test_cases/input/false_prop_key_fail.kdl
diff --git a/tests/test_cases/input/floating_point_keyword_identifier_strings_error.kdl.kdl b/tests/test_cases/input/floating_point_keyword_identifier_strings_fail.kdl
similarity index 100%
rename from tests/test_cases/input/floating_point_keyword_identifier_strings_error.kdl.kdl
rename to tests/test_cases/input/floating_point_keyword_identifier_strings_fail.kdl
diff --git a/tests/test_cases/input/hash_in_id.kdl b/tests/test_cases/input/hash_in_id_fail.kdl
similarity index 100%
rename from tests/test_cases/input/hash_in_id.kdl
rename to tests/test_cases/input/hash_in_id_fail.kdl
diff --git a/tests/test_cases/input/hex.kdl b/tests/test_cases/input/hex.kdl
new file mode 100644
index 0000000..ec764dd
--- /dev/null
+++ b/tests/test_cases/input/hex.kdl
@@ -0,0 +1 @@
+node 0xabcdef1234567890
\ No newline at end of file
diff --git a/tests/test_cases/input/illegal_char_in_binary.kdl b/tests/test_cases/input/illegal_char_in_binary_fail.kdl
similarity index 100%
rename from tests/test_cases/input/illegal_char_in_binary.kdl
rename to tests/test_cases/input/illegal_char_in_binary_fail.kdl
diff --git a/tests/test_cases/input/illegal_char_in_hex.kdl b/tests/test_cases/input/illegal_char_in_hex_fail.kdl
similarity index 100%
rename from tests/test_cases/input/illegal_char_in_hex.kdl
rename to tests/test_cases/input/illegal_char_in_hex_fail.kdl
diff --git a/tests/test_cases/input/illegal_char_in_octal.kdl b/tests/test_cases/input/illegal_char_in_octal_fail.kdl
similarity index 100%
rename from tests/test_cases/input/illegal_char_in_octal.kdl
rename to tests/test_cases/input/illegal_char_in_octal_fail.kdl
diff --git a/tests/test_cases/input/just_space_in_arg_type.kdl b/tests/test_cases/input/just_space_in_arg_type_fail.kdl
similarity index 100%
rename from tests/test_cases/input/just_space_in_arg_type.kdl
rename to tests/test_cases/input/just_space_in_arg_type_fail.kdl
diff --git a/tests/test_cases/input/just_space_in_node_type.kdl b/tests/test_cases/input/just_space_in_node_type_fail.kdl
similarity index 100%
rename from tests/test_cases/input/just_space_in_node_type.kdl
rename to tests/test_cases/input/just_space_in_node_type_fail.kdl
diff --git a/tests/test_cases/input/just_space_in_prop_type.kdl b/tests/test_cases/input/just_space_in_prop_type_fail.kdl
similarity index 100%
rename from tests/test_cases/input/just_space_in_prop_type.kdl
rename to tests/test_cases/input/just_space_in_prop_type_fail.kdl
diff --git a/tests/test_cases/input/just_type_no_arg.kdl b/tests/test_cases/input/just_type_no_arg_fail.kdl
similarity index 100%
rename from tests/test_cases/input/just_type_no_arg.kdl
rename to tests/test_cases/input/just_type_no_arg_fail.kdl
diff --git a/tests/test_cases/input/just_type_no_node_id.kdl b/tests/test_cases/input/just_type_no_node_id_fail.kdl
similarity index 100%
rename from tests/test_cases/input/just_type_no_node_id.kdl
rename to tests/test_cases/input/just_type_no_node_id_fail.kdl
diff --git a/tests/test_cases/input/just_type_no_prop.kdl b/tests/test_cases/input/just_type_no_prop_fail.kdl
similarity index 100%
rename from tests/test_cases/input/just_type_no_prop.kdl
rename to tests/test_cases/input/just_type_no_prop_fail.kdl
diff --git a/tests/test_cases/input/legacy_raw_string_fail.kdl b/tests/test_cases/input/legacy_raw_string_fail.kdl
new file mode 100644
index 0000000..3a8695d
--- /dev/null
+++ b/tests/test_cases/input/legacy_raw_string_fail.kdl
@@ -0,0 +1 @@
+node r"foo"
diff --git a/tests/test_cases/input/legacy_raw_string_hash_fail.kdl b/tests/test_cases/input/legacy_raw_string_hash_fail.kdl
new file mode 100644
index 0000000..529037a
--- /dev/null
+++ b/tests/test_cases/input/legacy_raw_string_hash_fail.kdl
@@ -0,0 +1 @@
+node r#"foo"#
diff --git a/tests/test_cases/input/multiline_raw_string_containing_quotes.kdl b/tests/test_cases/input/multiline_raw_string_containing_quotes.kdl
new file mode 100644
index 0000000..44b4ad2
--- /dev/null
+++ b/tests/test_cases/input/multiline_raw_string_containing_quotes.kdl
@@ -0,0 +1,5 @@
+node ##"""
+"""triple-quote"""
+##"too few quotes"##
+#"""too few #"""#
+"""##
diff --git a/tests/test_cases/input/multiline_raw_string_non_matching_prefix_character_error.kdl b/tests/test_cases/input/multiline_raw_string_non_matching_prefix_character_error_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiline_raw_string_non_matching_prefix_character_error.kdl
rename to tests/test_cases/input/multiline_raw_string_non_matching_prefix_character_error_fail.kdl
diff --git a/tests/test_cases/input/multiline_raw_string_non_matching_prefix_count_error.kdl b/tests/test_cases/input/multiline_raw_string_non_matching_prefix_count_error_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiline_raw_string_non_matching_prefix_count_error.kdl
rename to tests/test_cases/input/multiline_raw_string_non_matching_prefix_count_error_fail.kdl
diff --git a/tests/test_cases/input/multiline_raw_string_single_line_err.kdl b/tests/test_cases/input/multiline_raw_string_single_line_err_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiline_raw_string_single_line_err.kdl
rename to tests/test_cases/input/multiline_raw_string_single_line_err_fail.kdl
diff --git a/tests/test_cases/input/multiline_raw_string_single_quote_err.kdl b/tests/test_cases/input/multiline_raw_string_single_quote_err_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiline_raw_string_single_quote_err.kdl
rename to tests/test_cases/input/multiline_raw_string_single_quote_err_fail.kdl
diff --git a/tests/test_cases/input/multiline_string_containing_quotes.kdl b/tests/test_cases/input/multiline_string_containing_quotes.kdl
new file mode 100644
index 0000000..d13c3e7
--- /dev/null
+++ b/tests/test_cases/input/multiline_string_containing_quotes.kdl
@@ -0,0 +1,3 @@
+node """
+this string contains "quotes", twice""
+"""
diff --git a/tests/test_cases/input/multiline_string_escape_in_closing_line.kdl b/tests/test_cases/input/multiline_string_escape_in_closing_line.kdl
new file mode 100644
index 0000000..23a5796
--- /dev/null
+++ b/tests/test_cases/input/multiline_string_escape_in_closing_line.kdl
@@ -0,0 +1,5 @@
+node """
+  foo \
+bar
+  baz
+  \   """
diff --git a/tests/test_cases/input/multiline_string_escape_in_closing_line_shallow.kdl b/tests/test_cases/input/multiline_string_escape_in_closing_line_shallow.kdl
new file mode 100644
index 0000000..fba22a4
--- /dev/null
+++ b/tests/test_cases/input/multiline_string_escape_in_closing_line_shallow.kdl
@@ -0,0 +1,5 @@
+node """
+  foo \
+bar
+  baz
+\   """
diff --git a/tests/test_cases/input/multiline_string_final_whitespace_escape_fail.kdl b/tests/test_cases/input/multiline_string_final_whitespace_escape_fail.kdl
new file mode 100644
index 0000000..84310da
--- /dev/null
+++ b/tests/test_cases/input/multiline_string_final_whitespace_escape_fail.kdl
@@ -0,0 +1,4 @@
+node """
+  foo
+  bar\
+  """
\ No newline at end of file
diff --git a/tests/test_cases/input/multiline_string_non_matching_prefix_character_error.kdl b/tests/test_cases/input/multiline_string_non_matching_prefix_character_error_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiline_string_non_matching_prefix_character_error.kdl
rename to tests/test_cases/input/multiline_string_non_matching_prefix_character_error_fail.kdl
diff --git a/tests/test_cases/input/multiline_string_non_matching_prefix_count_error.kdl b/tests/test_cases/input/multiline_string_non_matching_prefix_count_error_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiline_string_non_matching_prefix_count_error.kdl
rename to tests/test_cases/input/multiline_string_non_matching_prefix_count_error_fail.kdl
diff --git a/tests/test_cases/input/multiline_string_single_line_err.kdl b/tests/test_cases/input/multiline_string_single_line_err_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiline_string_single_line_err.kdl
rename to tests/test_cases/input/multiline_string_single_line_err_fail.kdl
diff --git a/tests/test_cases/input/multiline_string_single_quote_err.kdl b/tests/test_cases/input/multiline_string_single_quote_err_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiline_string_single_quote_err.kdl
rename to tests/test_cases/input/multiline_string_single_quote_err_fail.kdl
diff --git a/tests/test_cases/input/multiline_string_whitespace_only.kdl b/tests/test_cases/input/multiline_string_whitespace_only.kdl
new file mode 100644
index 0000000..db8fee5
--- /dev/null
+++ b/tests/test_cases/input/multiline_string_whitespace_only.kdl
@@ -0,0 +1,19 @@
+// This file deliberately contains unusual whitespace
+// The first three strings are empty, because whitespace-only lines collapse to
+// just `\n`.
+node """
+  	""" """
+ 	 \
+             
+ 	 """ """
+                             
+ """\
+    \ // The next two strings contains only whitespace
+    """
+       
+           
+      \s 
+    """ #"""
+      
+
+  """#
diff --git a/tests/test_cases/input/multiline_string_whitespace_only_non_matching_prefix_fail.kdl b/tests/test_cases/input/multiline_string_whitespace_only_non_matching_prefix_fail.kdl
new file mode 100644
index 0000000..29e36df
--- /dev/null
+++ b/tests/test_cases/input/multiline_string_whitespace_only_non_matching_prefix_fail.kdl
@@ -0,0 +1,19 @@
+// This file deliberately contains unusual whitespace
+// Parsing should fail because not all strings have a matching multiline prefix,
+// which must be exact, down to the codepoint, _before_ newline normalization.
+node """
+  	""" """
+ 	 \
+             
+ 	 """ """
+                            
+ """\
+    \ // The next two strings contains only whitespace
+    """
+       
+       
+      \s 
+    """ #"""
+    
+
+  """#
diff --git a/tests/test_cases/input/multiple_dots_in_float_before_exponent.kdl b/tests/test_cases/input/multiple_dots_in_float_before_exponent_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiple_dots_in_float_before_exponent.kdl
rename to tests/test_cases/input/multiple_dots_in_float_before_exponent_fail.kdl
diff --git a/tests/test_cases/input/multiple_dots_in_float.kdl b/tests/test_cases/input/multiple_dots_in_float_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiple_dots_in_float.kdl
rename to tests/test_cases/input/multiple_dots_in_float_fail.kdl
diff --git a/tests/test_cases/input/multiple_es_in_float.kdl b/tests/test_cases/input/multiple_es_in_float_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiple_es_in_float.kdl
rename to tests/test_cases/input/multiple_es_in_float_fail.kdl
diff --git a/tests/test_cases/input/multiple_x_in_hex.kdl b/tests/test_cases/input/multiple_x_in_hex_fail.kdl
similarity index 100%
rename from tests/test_cases/input/multiple_x_in_hex.kdl
rename to tests/test_cases/input/multiple_x_in_hex_fail.kdl
diff --git a/tests/test_cases/input/no_digits_in_hex.kdl b/tests/test_cases/input/no_digits_in_hex_fail.kdl
similarity index 100%
rename from tests/test_cases/input/no_digits_in_hex.kdl
rename to tests/test_cases/input/no_digits_in_hex_fail.kdl
diff --git a/tests/test_cases/input/no_integer_digit.kdl b/tests/test_cases/input/no_integer_digit_fail.kdl
similarity index 100%
rename from tests/test_cases/input/no_integer_digit.kdl
rename to tests/test_cases/input/no_integer_digit_fail.kdl
diff --git a/tests/test_cases/input/no_solidus_escape.kdl b/tests/test_cases/input/no_solidus_escape_fail.kdl
similarity index 100%
rename from tests/test_cases/input/no_solidus_escape.kdl
rename to tests/test_cases/input/no_solidus_escape_fail.kdl
diff --git a/tests/test_cases/input/null_prop_key.kdl b/tests/test_cases/input/null_prop_key_fail.kdl
similarity index 100%
rename from tests/test_cases/input/null_prop_key.kdl
rename to tests/test_cases/input/null_prop_key_fail.kdl
diff --git a/tests/test_cases/input/parens_in_bare_id.kdl b/tests/test_cases/input/parens_in_bare_id_fail.kdl
similarity index 100%
rename from tests/test_cases/input/parens_in_bare_id.kdl
rename to tests/test_cases/input/parens_in_bare_id_fail.kdl
diff --git a/tests/test_cases/input/quote_in_bare_id.kdl b/tests/test_cases/input/quote_in_bare_id_fail.kdl
similarity index 100%
rename from tests/test_cases/input/quote_in_bare_id.kdl
rename to tests/test_cases/input/quote_in_bare_id_fail.kdl
diff --git a/tests/test_cases/input/raw_string_just_quote.kdl b/tests/test_cases/input/raw_string_just_quote.kdl
deleted file mode 100644
index e81bf12..0000000
--- a/tests/test_cases/input/raw_string_just_quote.kdl
+++ /dev/null
@@ -1 +0,0 @@
-node #"""#
diff --git a/tests/test_cases/input/raw_string_just_quote_fail.kdl b/tests/test_cases/input/raw_string_just_quote_fail.kdl
new file mode 100644
index 0000000..c2ff2d3
--- /dev/null
+++ b/tests/test_cases/input/raw_string_just_quote_fail.kdl
@@ -0,0 +1,2 @@
+// This fails because `"""` MUST be followed by a newline.
+node #"""#
diff --git a/tests/test_cases/input/slash_in_bare_id.kdl b/tests/test_cases/input/slash_in_bare_id_fail.kdl
similarity index 100%
rename from tests/test_cases/input/slash_in_bare_id.kdl
rename to tests/test_cases/input/slash_in_bare_id_fail.kdl
diff --git a/tests/test_cases/input/slashdash_after_arg_type_fail.kdl b/tests/test_cases/input/slashdash_after_arg_type_fail.kdl
new file mode 100644
index 0000000..edb9250
--- /dev/null
+++ b/tests/test_cases/input/slashdash_after_arg_type_fail.kdl
@@ -0,0 +1 @@
+node (ty)/-arg1 arg2
diff --git a/tests/test_cases/input/slashdash_after_node_type_fail.kdl b/tests/test_cases/input/slashdash_after_node_type_fail.kdl
new file mode 100644
index 0000000..5a27bc3
--- /dev/null
+++ b/tests/test_cases/input/slashdash_after_node_type_fail.kdl
@@ -0,0 +1,2 @@
+(ty)/-node
+other-node
diff --git a/tests/test_cases/input/slashdash_after_prop_key_fail.kdl b/tests/test_cases/input/slashdash_after_prop_key_fail.kdl
new file mode 100644
index 0000000..241e2e9
--- /dev/null
+++ b/tests/test_cases/input/slashdash_after_prop_key_fail.kdl
@@ -0,0 +1 @@
+node key /- = value
diff --git a/tests/test_cases/input/slashdash_after_prop_val_type_fail.kdl b/tests/test_cases/input/slashdash_after_prop_val_type_fail.kdl
new file mode 100644
index 0000000..d4a063e
--- /dev/null
+++ b/tests/test_cases/input/slashdash_after_prop_val_type_fail.kdl
@@ -0,0 +1 @@
+node key=(ty)/-val other-arg
diff --git a/tests/test_cases/input/slashdash_after_type_fail.kdl b/tests/test_cases/input/slashdash_after_type_fail.kdl
new file mode 100644
index 0000000..32d8a82
--- /dev/null
+++ b/tests/test_cases/input/slashdash_after_type_fail.kdl
@@ -0,0 +1 @@
+node (type) /- arg1 arg2
diff --git a/tests/test_cases/input/slashdash_before_children_end_fail.kdl b/tests/test_cases/input/slashdash_before_children_end_fail.kdl
new file mode 100644
index 0000000..83b97ae
--- /dev/null
+++ b/tests/test_cases/input/slashdash_before_children_end_fail.kdl
@@ -0,0 +1,4 @@
+node {
+    child1
+    /-
+}
diff --git a/tests/test_cases/input/slashdash_before_eof_fail.kdl b/tests/test_cases/input/slashdash_before_eof_fail.kdl
new file mode 100644
index 0000000..694173f
--- /dev/null
+++ b/tests/test_cases/input/slashdash_before_eof_fail.kdl
@@ -0,0 +1 @@
+node foo /-
diff --git a/tests/test_cases/input/slashdash_before_prop_value_fail.kdl b/tests/test_cases/input/slashdash_before_prop_value_fail.kdl
new file mode 100644
index 0000000..de727dc
--- /dev/null
+++ b/tests/test_cases/input/slashdash_before_prop_value_fail.kdl
@@ -0,0 +1 @@
+node key = /-val etc
diff --git a/tests/test_cases/input/slashdash_before_semicolon_fail.kdl b/tests/test_cases/input/slashdash_before_semicolon_fail.kdl
new file mode 100644
index 0000000..8c57284
--- /dev/null
+++ b/tests/test_cases/input/slashdash_before_semicolon_fail.kdl
@@ -0,0 +1 @@
+node foo /-;
diff --git a/tests/test_cases/input/slashdash_between_child_blocks_fail.kdl b/tests/test_cases/input/slashdash_between_child_blocks_fail.kdl
new file mode 100644
index 0000000..8106b55
--- /dev/null
+++ b/tests/test_cases/input/slashdash_between_child_blocks_fail.kdl
@@ -0,0 +1 @@
+node { one } /- { two } { three }
diff --git a/tests/test_cases/input/slashdash_child_block_before_entry_err.kdl b/tests/test_cases/input/slashdash_child_block_before_entry_err_fail.kdl
similarity index 100%
rename from tests/test_cases/input/slashdash_child_block_before_entry_err.kdl
rename to tests/test_cases/input/slashdash_child_block_before_entry_err_fail.kdl
diff --git a/tests/test_cases/input/slashdash_escline_before_arg_type.kdl b/tests/test_cases/input/slashdash_escline_before_arg_type.kdl
new file mode 100644
index 0000000..93231ec
--- /dev/null
+++ b/tests/test_cases/input/slashdash_escline_before_arg_type.kdl
@@ -0,0 +1,2 @@
+node /-\
+(ty)arg1 arg2
diff --git a/tests/test_cases/input/slashdash_escline_before_children.kdl b/tests/test_cases/input/slashdash_escline_before_children.kdl
new file mode 100644
index 0000000..40a97ee
--- /dev/null
+++ b/tests/test_cases/input/slashdash_escline_before_children.kdl
@@ -0,0 +1,3 @@
+node arg1 /-\
+{
+}
diff --git a/tests/test_cases/input/slashdash_escline_before_node.kdl b/tests/test_cases/input/slashdash_escline_before_node.kdl
new file mode 100644
index 0000000..f7f7937
--- /dev/null
+++ b/tests/test_cases/input/slashdash_escline_before_node.kdl
@@ -0,0 +1,3 @@
+/-\
+node1
+node2
diff --git a/tests/test_cases/input/slashdash_false_node.kdl b/tests/test_cases/input/slashdash_false_node.kdl
new file mode 100644
index 0000000..5e38eb7
--- /dev/null
+++ b/tests/test_cases/input/slashdash_false_node.kdl
@@ -0,0 +1,2 @@
+node foo /-
+not-a-node bar
diff --git a/tests/test_cases/input/slashdash_inside_arg_type_fail.kdl b/tests/test_cases/input/slashdash_inside_arg_type_fail.kdl
new file mode 100644
index 0000000..649bcca
--- /dev/null
+++ b/tests/test_cases/input/slashdash_inside_arg_type_fail.kdl
@@ -0,0 +1 @@
+node (/-bad)nope
diff --git a/tests/test_cases/input/slashdash_inside_node_type_fail.kdl b/tests/test_cases/input/slashdash_inside_node_type_fail.kdl
new file mode 100644
index 0000000..3ed584c
--- /dev/null
+++ b/tests/test_cases/input/slashdash_inside_node_type_fail.kdl
@@ -0,0 +1 @@
+(/-ty)node
diff --git a/tests/test_cases/input/square_bracket_in_bare_id.kdl b/tests/test_cases/input/square_bracket_in_bare_id_fail.kdl
similarity index 100%
rename from tests/test_cases/input/square_bracket_in_bare_id.kdl
rename to tests/test_cases/input/square_bracket_in_bare_id_fail.kdl
diff --git a/tests/test_cases/input/true_prop_key.kdl b/tests/test_cases/input/true_prop_key_fail.kdl
similarity index 100%
rename from tests/test_cases/input/true_prop_key.kdl
rename to tests/test_cases/input/true_prop_key_fail.kdl
diff --git a/tests/test_cases/input/type_before_prop_key.kdl b/tests/test_cases/input/type_before_prop_key_fail.kdl
similarity index 100%
rename from tests/test_cases/input/type_before_prop_key.kdl
rename to tests/test_cases/input/type_before_prop_key_fail.kdl
diff --git a/tests/test_cases/input/unbalanced_raw_hashes.kdl b/tests/test_cases/input/unbalanced_raw_hashes_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unbalanced_raw_hashes.kdl
rename to tests/test_cases/input/unbalanced_raw_hashes_fail.kdl
diff --git a/tests/test_cases/input/underscore_at_start_of_fraction.kdl b/tests/test_cases/input/underscore_at_start_of_fraction_fail.kdl
similarity index 100%
rename from tests/test_cases/input/underscore_at_start_of_fraction.kdl
rename to tests/test_cases/input/underscore_at_start_of_fraction_fail.kdl
diff --git a/tests/test_cases/input/underscore_at_start_of_hex.kdl b/tests/test_cases/input/underscore_at_start_of_hex_fail.kdl
similarity index 100%
rename from tests/test_cases/input/underscore_at_start_of_hex.kdl
rename to tests/test_cases/input/underscore_at_start_of_hex_fail.kdl
diff --git a/tests/test_cases/input/unicode_delete.kdl b/tests/test_cases/input/unicode_delete_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_delete.kdl
rename to tests/test_cases/input/unicode_delete_fail.kdl
diff --git a/tests/test_cases/input/unicode_fsi.kdl b/tests/test_cases/input/unicode_fsi_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_fsi.kdl
rename to tests/test_cases/input/unicode_fsi_fail.kdl
diff --git a/tests/test_cases/input/unicode_lre.kdl b/tests/test_cases/input/unicode_lre_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_lre.kdl
rename to tests/test_cases/input/unicode_lre_fail.kdl
diff --git a/tests/test_cases/input/unicode_lri.kdl b/tests/test_cases/input/unicode_lri_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_lri.kdl
rename to tests/test_cases/input/unicode_lri_fail.kdl
diff --git a/tests/test_cases/input/unicode_lrm.kdl b/tests/test_cases/input/unicode_lrm_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_lrm.kdl
rename to tests/test_cases/input/unicode_lrm_fail.kdl
diff --git a/tests/test_cases/input/unicode_lro.kdl b/tests/test_cases/input/unicode_lro_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_lro.kdl
rename to tests/test_cases/input/unicode_lro_fail.kdl
diff --git a/tests/test_cases/input/unicode_pdf.kdl b/tests/test_cases/input/unicode_pdf_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_pdf.kdl
rename to tests/test_cases/input/unicode_pdf_fail.kdl
diff --git a/tests/test_cases/input/unicode_pdi.kdl b/tests/test_cases/input/unicode_pdi_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_pdi.kdl
rename to tests/test_cases/input/unicode_pdi_fail.kdl
diff --git a/tests/test_cases/input/unicode_rle.kdl b/tests/test_cases/input/unicode_rle_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_rle.kdl
rename to tests/test_cases/input/unicode_rle_fail.kdl
diff --git a/tests/test_cases/input/unicode_rli.kdl b/tests/test_cases/input/unicode_rli_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_rli.kdl
rename to tests/test_cases/input/unicode_rli_fail.kdl
diff --git a/tests/test_cases/input/unicode_rlm.kdl b/tests/test_cases/input/unicode_rlm_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_rlm.kdl
rename to tests/test_cases/input/unicode_rlm_fail.kdl
diff --git a/tests/test_cases/input/unicode_rlo.kdl b/tests/test_cases/input/unicode_rlo_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_rlo.kdl
rename to tests/test_cases/input/unicode_rlo_fail.kdl
diff --git a/tests/test_cases/input/unicode_under_0x20.kdl b/tests/test_cases/input/unicode_under_0x20_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unicode_under_0x20.kdl
rename to tests/test_cases/input/unicode_under_0x20_fail.kdl
diff --git a/tests/test_cases/input/unterminated_empty_node.kdl b/tests/test_cases/input/unterminated_empty_node_fail.kdl
similarity index 100%
rename from tests/test_cases/input/unterminated_empty_node.kdl
rename to tests/test_cases/input/unterminated_empty_node_fail.kdl
diff --git a/tests/test_cases/input/unusual_bare_id_chars_in_quoted_id.kdl b/tests/test_cases/input/unusual_bare_id_chars_in_quoted_id.kdl
index d3262b8..56c85c6 100644
--- a/tests/test_cases/input/unusual_bare_id_chars_in_quoted_id.kdl
+++ b/tests/test_cases/input/unusual_bare_id_chars_in_quoted_id.kdl
@@ -1 +1 @@
-"foo123~!@$%^&*.:'|?+<>," weeee
+"foo123~!@$%^&*.:'|?+<>,`-_" weeee
diff --git a/tests/test_cases/input/unusual_chars_in_bare_id.kdl b/tests/test_cases/input/unusual_chars_in_bare_id.kdl
index 8321632..ef66d22 100644
--- a/tests/test_cases/input/unusual_chars_in_bare_id.kdl
+++ b/tests/test_cases/input/unusual_chars_in_bare_id.kdl
@@ -1 +1 @@
-foo123~!@$%^&*.:'|?+<>, weeee
+foo123~!@$%^&*.:'|?+<>,`-_ weeee
diff --git a/tests/test_cases/input/zero_arg.kdl b/tests/test_cases/input/zero_arg.kdl
deleted file mode 100644
index 74405b6..0000000
--- a/tests/test_cases/input/zero_arg.kdl
+++ /dev/null
@@ -1 +0,0 @@
-node 0