Use box-drawing characters in error messages (#1798)

20 files changed, 506 insertions, 507 deletions

diff --git a/src/lexer.rs b/src/lexer.rs
index 1072698a..ad8cee4e 100644
--- a/src/lexer.rs
+++ b/src/lexer.rs
@@ -2311,10 +2311,10 @@ mod tests {
         .to_string(),
       "error: Internal error, this may indicate a bug in just: Lexer presumed character `-`
 consider filing an issue: https://github.com/casey/just/issues/new
- --> justfile:1:1
-  |
-1 | !
-  | ^"
+ ——▶ justfile:1:1
+  │
+1 │ !
+  │ ^"
     );
   }
 }
diff --git a/src/token.rs b/src/token.rs
index 9846236e..d8a7bf21 100644
--- a/src/token.rs
+++ b/src/token.rs
@@ -57,7 +57,7 @@ impl<'src> ColorDisplay for Token<'src> {
           f,
           "{:width$}{} {}:{}:{}",
           "",
-          color.context().paint("-->"),
+          color.context().paint("——▶"),
           self.path.display(),
           line_number,
           self.column.ordinal(),
@@ -67,19 +67,19 @@ impl<'src> ColorDisplay for Token<'src> {
           f,
           "{:width$} {}",
           "",
-          color.context().paint("|"),
+          color.context().paint("│"),
           width = line_number_width
         )?;
         writeln!(
           f,
           "{} {space_line}",
-          color.context().paint(&format!("{line_number} |"))
+          color.context().paint(&format!("{line_number} │"))
         )?;
         write!(
           f,
           "{:width$} {}",
           "",
-          color.context().paint("|"),
+          color.context().paint("│"),
           width = line_number_width
         )?;
         write!(
diff --git a/tests/attributes.rs b/tests/attributes.rs
index 8560e99b..605e7476 100644
--- a/tests/attributes.rs
+++ b/tests/attributes.rs
@@ -33,10 +33,10 @@ fn duplicate_attributes_are_disallowed() {
     .stderr(
       "
       error: Recipe attribute `no-exit-message` first used on line 1 is duplicated on line 2
-       --> justfile:2:2
-        |
-      2 | [no-exit-message]
-        |  ^^^^^^^^^^^^^^^
+       ——▶ justfile:2:2
+        │
+      2 │ [no-exit-message]
+        │  ^^^^^^^^^^^^^^^
       ",
     )
     .status(1)
@@ -73,10 +73,10 @@ fn multiple_attributes_one_line_error_message() {
     .stderr(
       "
         error: Expected ']' or ',', but found identifier
-         --> justfile:1:17
-          |
-        1 | [macos, windows linux]
-          |                 ^^^^^
+         ——▶ justfile:1:17
+          │
+        1 │ [macos, windows linux]
+          │                 ^^^^^
           ",
     )
     .status(1)
@@ -97,10 +97,10 @@ fn multiple_attributes_one_line_duplicate_check() {
     .stderr(
       "
       error: Recipe attribute `linux` first used on line 1 is duplicated on line 2
-       --> justfile:2:2
-        |
-      2 | [linux]
-        |  ^^^^^
+       ——▶ justfile:2:2
+        │
+      2 │ [linux]
+        │  ^^^^^
         ",
     )
     .status(1)
diff --git a/tests/byte_order_mark.rs b/tests/byte_order_mark.rs
index 2a45c06d..f4a867a6 100644
--- a/tests/byte_order_mark.rs
+++ b/tests/byte_order_mark.rs
@@ -27,10 +27,10 @@ fn non_leading_byte_order_mark_produces_error() {
     .stderr(
       "
       error: Expected \'@\', \'[\', comment, end of file, end of line, or identifier, but found byte order mark
-       --> justfile:3:1
-        |
-      3 | \u{feff}
-        | ^
+       ——▶ justfile:3:1
+        │
+      3 │ \u{feff}
+        │ ^
       ")
     .status(EXIT_FAILURE)
     .run();
@@ -43,10 +43,10 @@ fn dont_mention_byte_order_mark_in_errors() {
     .stderr(
       "
       error: Expected '@', '[', comment, end of file, end of line, or identifier, but found '{'
-       --> justfile:1:1
-        |
-      1 | {
-        | ^
+       ——▶ justfile:1:1
+        │
+      1 │ {
+        │ ^
       ",
     )
     .status(EXIT_FAILURE)
diff --git a/tests/conditional.rs b/tests/conditional.rs
index 359b033e..c1739240 100644
--- a/tests/conditional.rs
+++ b/tests/conditional.rs
@@ -61,10 +61,10 @@ test! {
   stdout: "",
   stderr: "
     error: Variable `b` not defined
-     --> justfile:1:9
-      |
-    1 | a := if b == '' { '' } else { '' }
-      |         ^
+     ——▶ justfile:1:9
+      │
+    1 │ a := if b == '' { '' } else { '' }
+      │         ^
   ",
   status: EXIT_FAILURE,
 }
@@ -80,10 +80,10 @@ test! {
   stdout: "",
   stderr: "
     error: Variable `b` not defined
-     --> justfile:1:15
-      |
-    1 | a := if '' == b { '' } else { '' }
-      |               ^
+     ——▶ justfile:1:15
+      │
+    1 │ a := if '' == b { '' } else { '' }
+      │               ^
   ",
   status: EXIT_FAILURE,
 }
@@ -99,10 +99,10 @@ test! {
   stdout: "",
   stderr: "
     error: Variable `b` not defined
-     --> justfile:1:20
-      |
-    1 | a := if '' == '' { b } else { '' }
-      |                    ^
+     ——▶ justfile:1:20
+      │
+    1 │ a := if '' == '' { b } else { '' }
+      │                    ^
   ",
   status: EXIT_FAILURE,
 }
@@ -118,10 +118,10 @@ test! {
   stdout: "",
   stderr: "
     error: Variable `b` not defined
-     --> justfile:1:32
-      |
-    1 | a := if '' == '' { '' } else { b }
-      |                                ^
+     ——▶ justfile:1:32
+      │
+    1 │ a := if '' == '' { '' } else { b }
+      │                                ^
   ",
   status: EXIT_FAILURE,
 }
@@ -137,10 +137,10 @@ test! {
   stdout: "",
   stderr: "
     error: Expected '!=', '==', '=~', '+', or '/', but found identifier
-     --> justfile:1:12
-      |
-    1 | a := if '' a '' { '' } else { b }
-      |            ^
+     ——▶ justfile:1:12
+      │
+    1 │ a := if '' a '' { '' } else { b }
+      │            ^
   ",
   status: EXIT_FAILURE,
 }
@@ -182,10 +182,10 @@ test! {
   stdout: "",
   stderr: "
     error: Expected keyword `else` but found `end of line`
-     --> justfile:1:54
-      |
-    1 | TEST := if path_exists('/bin/bash') == 'true' {'yes'}
-      |                                                      ^
+     ——▶ justfile:1:54
+      │
+    1 │ TEST := if path_exists('/bin/bash') == 'true' {'yes'}
+      │                                                      ^
   ",
   status: EXIT_FAILURE,
 }
@@ -198,10 +198,10 @@ test! {
   stdout: "",
   stderr: "
     error: Expected keyword `else` but found identifier `els`
-     --> justfile:1:55
-      |
-    1 | TEST := if path_exists('/bin/bash') == 'true' {'yes'} els {'no'}
-      |                                                       ^^^
+     ——▶ justfile:1:55
+      │
+    1 │ TEST := if path_exists('/bin/bash') == 'true' {'yes'} els {'no'}
+      │                                                       ^^^
   ",
   status: EXIT_FAILURE,
 }
diff --git a/tests/delimiters.rs b/tests/delimiters.rs
index 773fec4f..a0d9715c 100644
--- a/tests/delimiters.rs
+++ b/tests/delimiters.rs
@@ -5,10 +5,10 @@ test! {
   justfile: "(]",
   stderr: "
     error: Mismatched closing delimiter `]`. (Did you mean to close the `(` on line 1?)
-     --> justfile:1:2
-      |
-    1 | (]
-      |  ^
+     ——▶ justfile:1:2
+      │
+    1 │ (]
+      │  ^
   ",
   status: EXIT_FAILURE,
 }
@@ -18,10 +18,10 @@ test! {
   justfile: "]",
   stderr: "
     error: Unexpected closing delimiter `]`
-     --> justfile:1:1
-      |
-    1 | ]
-      | ^
+     ——▶ justfile:1:1
+      │
+    1 │ ]
+      │ ^
   ",
   status: EXIT_FAILURE,
 }
@@ -98,10 +98,10 @@ test! {
   stdout: "",
   stderr: "
     error: Unterminated interpolation
-     --> justfile:2:8
-      |
-    2 |   echo {{ (
-      |        ^^
+     ——▶ justfile:2:8
+      │
+    2 │   echo {{ (
+      │        ^^
   ",
   status: EXIT_FAILURE,
 }
diff --git a/tests/error_messages.rs b/tests/error_messages.rs
index 9d376d54..89b4fd1c 100644
--- a/tests/error_messages.rs
+++ b/tests/error_messages.rs
@@ -5,10 +5,10 @@ test! {
   justfile: "[private]\n[linux]\nalias t := test\n\ntest:\n",
   stderr: "
     error: Alias t has an invalid attribute `linux`
-     --> justfile:3:7
-      |
-    3 | alias t := test
-      |       ^
+     ——▶ justfile:3:7
+      │
+    3 │ alias t := test
+      │       ^
   ",
   status: EXIT_FAILURE,
 }
@@ -18,10 +18,10 @@ test! {
   justfile: "foo := if '' == '' { '' } arlo { '' }",
   stderr: "
     error: Expected keyword `else` but found identifier `arlo`
-     --> justfile:1:27
-      |
-    1 | foo := if '' == '' { '' } arlo { '' }
-      |                           ^^^^
+     ——▶ justfile:1:27
+      │
+    1 │ foo := if '' == '' { '' } arlo { '' }
+      │                           ^^^^
   ",
   status: EXIT_FAILURE,
 }
@@ -31,10 +31,10 @@ test! {
   justfile: "&~",
   stderr: "
     error: Expected character `&`
-     --> justfile:1:2
-      |
-    1 | &~
-      |  ^
+     ——▶ justfile:1:2
+      │
+    1 │ &~
+      │  ^
   ",
   status: EXIT_FAILURE,
 }
@@ -63,10 +63,10 @@ fn file_path_is_indented_if_justfile_is_long() {
     .stderr(
       "
 error: Expected '*', ':', '$', identifier, or '+', but found end of file
-  --> justfile:20:4
-   |
-20 | foo
-   |    ^
+  ——▶ justfile:20:4
+   │
+20 │ foo
+   │    ^
 ",
     )
     .run();
@@ -81,10 +81,10 @@ fn file_paths_are_relative() {
     .stderr(format!(
       "
 error: Expected '*', ':', '$', identifier, or '+', but found end of file
- --> foo{}bar.just:1:4
-  |
-1 | baz
-  |    ^
+ ——▶ foo{}bar.just:1:4
+  │
+1 │ baz
+  │    ^
 ",
       MAIN_SEPARATOR
     ))
@@ -92,6 +92,7 @@ error: Expected '*', ':', '$', identifier, or '+', but found end of file
 }
 
 #[test]
+#[cfg(not(windows))]
 fn file_paths_not_in_subdir_are_absolute() {
   Test::new()
     .write("foo/justfile", "import '../bar.just'")
@@ -99,15 +100,13 @@ fn file_paths_not_in_subdir_are_absolute() {
     .no_justfile()
     .args(["--justfile", "foo/justfile"])
     .status(EXIT_FAILURE)
-    .stderr_regex(format!(
-      "
-error: Expected '*', ':', '$', identifier, or '+', but found end of file
- --> {}.*{}bar.just:1:4
-  |
-1 | baz
-  |    ^
+    .stderr_regex(
+      r"error: Expected '\*', ':', '\$', identifier, or '\+', but found end of file
+ ——▶ /.*/bar.just:1:4
+  │
+1 │ baz
+  │    \^
 ",
-      MAIN_SEPARATOR, MAIN_SEPARATOR
-    ))
+    )
     .run();
 }
diff --git a/tests/fallback.rs b/tests/fallback.rs
index d1a3da95..3330e17a 100644
--- a/tests/fallback.rs
+++ b/tests/fallback.rs
@@ -146,10 +146,10 @@ fn print_error_from_parent_if_recipe_not_found_in_current() {
     .stderr(
       "
       error: Variable `bar` not defined
-       --> justfile:2:9
-        |
-      2 |  echo {{bar}}
-        |         ^^^
+       ——▶ justfile:2:9
+        │
+      2 │  echo {{bar}}
+        │         ^^^
     ",
     )
     .status(EXIT_FAILURE)
diff --git a/tests/functions.rs b/tests/functions.rs
index 993b99d2..53566158 100644
--- a/tests/functions.rs
+++ b/tests/functions.rs
@@ -88,10 +88,10 @@ foo:
   stderr:   format!("{} {}\n{}\n{}\n{}\n{}\n",
     "error: Call to function `without_extension` failed:",
     "Could not extract parent from ``",
-    " --> justfile:1:8",
-    "  |",
-    "1 | we  := without_extension(\'\')",
-    "  |        ^^^^^^^^^^^^^^^^^").as_str(),
+    " ——▶ justfile:1:8",
+    "  │",
+    "1 │ we  := without_extension(\'\')",
+    "  │        ^^^^^^^^^^^^^^^^^").as_str(),
   status:   EXIT_FAILURE,
 }
 
@@ -107,10 +107,10 @@ foo:
   stdout:   "",
   stderr:   format!("{}\n{}\n{}\n{}\n{}\n",
     "error: Call to function `extension` failed: Could not extract extension from ``",
-    " --> justfile:1:8",
-    "  |",
-    "1 | we  := extension(\'\')",
-    "  |        ^^^^^^^^^").as_str(),
+    " ——▶ justfile:1:8",
+    "  │",
+    "1 │ we  := extension(\'\')",
+    "  │        ^^^^^^^^^").as_str(),
   status:   EXIT_FAILURE,
 }
 
@@ -126,10 +126,10 @@ foo:
   stdout:   "",
   stderr:   format!("{}\n{}\n{}\n{}\n{}\n",
     "error: Call to function `extension` failed: Could not extract extension from `foo`",
-    " --> justfile:1:8",
-    "  |",
-    "1 | we  := extension(\'foo\')",
-    "  |        ^^^^^^^^^").as_str(),
+    " ——▶ justfile:1:8",
+    "  │",
+    "1 │ we  := extension(\'foo\')",
+    "  │        ^^^^^^^^^").as_str(),
   status:   EXIT_FAILURE,
 }
 
@@ -145,10 +145,10 @@ foo:
   stdout:   "",
   stderr:   format!("{}\n{}\n{}\n{}\n{}\n",
     "error: Call to function `file_stem` failed: Could not extract file stem from ``",
-    " --> justfile:1:8",
-    "  |",
-    "1 | we  := file_stem(\'\')",
-    "  |        ^^^^^^^^^").as_str(),
+    " ——▶ justfile:1:8",
+    "  │",
+    "1 │ we  := file_stem(\'\')",
+    "  │        ^^^^^^^^^").as_str(),
   status:   EXIT_FAILURE,
 }
 
@@ -164,10 +164,10 @@ foo:
   stdout:   "",
   stderr:   format!("{}\n{}\n{}\n{}\n{}\n",
     "error: Call to function `file_name` failed: Could not extract file name from ``",
-    " --> justfile:1:8",
-    "  |",
-    "1 | we  := file_name(\'\')",
-    "  |        ^^^^^^^^^").as_str(),
+    " ——▶ justfile:1:8",
+    "  │",
+    "1 │ we  := file_name(\'\')",
+    "  │        ^^^^^^^^^").as_str(),
   status:   EXIT_FAILURE,
 }
 
@@ -184,10 +184,10 @@ foo:
   stderr:   format!("{} {}\n{}\n{}\n{}\n{}\n",
     "error: Call to function `parent_directory` failed:",
     "Could not extract parent directory from ``",
-    " --> justfile:1:8",
-    "  |",
-    "1 | we  := parent_directory(\'\')",
-    "  |        ^^^^^^^^^^^^^^^^").as_str(),
+    " ——▶ justfile:1:8",
+    "  │",
+    "1 │ we  := parent_directory(\'\')",
+    "  │        ^^^^^^^^^^^^^^^^").as_str(),
   status:   EXIT_FAILURE,
 }
 
@@ -204,10 +204,10 @@ foo:
   stderr:   format!("{} {}\n{}\n{}\n{}\n{}\n",
     "error: Call to function `parent_directory` failed:",
     "Could not extract parent directory from `/`",
-    " --> justfile:1:8",
-    "  |",
-    "1 | we  := parent_directory(\'/\')",
-    "  |        ^^^^^^^^^^^^^^^^").as_str(),
+    " ——▶ justfile:1:8",
+    "  │",
+    "1 │ we  := parent_directory(\'/\')",
+    "  │        ^^^^^^^^^^^^^^^^").as_str(),
   status:   EXIT_FAILURE,
 }
 
@@ -232,10 +232,10 @@ test! {
   args:     ("a"),
   stdout:   "",
   stderr:   "error: Call to function `env_var` failed: environment variable `ZADDY` not present
- --> justfile:2:10
-  |
-2 |   echo {{env_var('ZADDY')}}
-  |          ^^^^^^^
+ ——▶ justfile:2:10
+  │
+2 │   echo {{env_var('ZADDY')}}
+  │          ^^^^^^^
 ",
   status:   EXIT_FAILURE,
 }
@@ -403,10 +403,10 @@ test! {
     foo\\
        ^
 error: incomplete escape sequence, reached end of pattern prematurely
- --> justfile:2:11
-  |
-2 |   echo {{ replace_regex('barbarbar', 'foo\\', 'foo') }}
-  |           ^^^^^^^^^^^^^
+ ——▶ justfile:2:11
+  │
+2 │   echo {{ replace_regex('barbarbar', 'foo\\', 'foo') }}
+  │           ^^^^^^^^^^^^^
 ",
   status: EXIT_FAILURE,
 }
@@ -507,10 +507,10 @@ fn join_argument_count_error() {
     .stderr(
       "
       error: Function `join` called with 1 argument but takes 2 or more
-       --> justfile:1:6
-        |
-      1 | x := join(\'a\')
-        |      ^^^^
+       ——▶ justfile:1:6
+        │
+      1 │ x := join(\'a\')
+        │      ^^^^
       ",
     )
     .status(EXIT_FAILURE)
@@ -547,10 +547,10 @@ fn error_errors_with_message() {
     .stderr(
       "
       error: Call to function `error` failed: Thing Not Supported
-       --> justfile:1:6
-        |
-      1 | x := error ('Thing Not Supported')
-        |      ^^^^^
+       ——▶ justfile:1:6
+        │
+      1 │ x := error ('Thing Not Supported')
+        │      ^^^^^
     ",
     )
     .run();
diff --git a/tests/imports.rs b/tests/imports.rs
index 7adc5d56..265e5d3f 100644
--- a/tests/imports.rs
+++ b/tests/imports.rs
@@ -40,10 +40,10 @@ fn missing_import_file_error() {
     .stderr(
       "
       error: Could not find source file for import.
-       --> justfile:1:8
-        |
-      1 | import './import.justfile'
-        |        ^^^^^^^^^^^^^^^^^^^
+       ——▶ justfile:1:8
+        │
+      1 │ import './import.justfile'
+        │        ^^^^^^^^^^^^^^^^^^^
       ",
     )
     .run();
@@ -162,10 +162,10 @@ fn include_error() {
     .stderr(
       "
       error: The `!include` directive has been stabilized as `import`
-       --> justfile:1:1
-        |
-      1 | !include foo
-        | ^
+       ——▶ justfile:1:1
+        │
+      1 │ !include foo
+        │ ^
       ",
     )
     .run();
diff --git a/tests/misc.rs b/tests/misc.rs
index e45ff2f6..66db8aed 100644
--- a/tests/misc.rs
+++ b/tests/misc.rs
@@ -72,10 +72,10 @@ test! {
   ",
   stderr: "
   error: Unknown setting `foo`
-   --> justfile:1:5
-    |
-  1 | set foo
-    |     ^^^
+   ——▶ justfile:1:5
+    │
+  1 │ set foo
+    │     ^^^
   ",
   status: EXIT_FAILURE,
 }
@@ -87,10 +87,10 @@ test! {
   ",
   stderr: "
   error: Unknown setting `if`
-   --> justfile:1:5
-    |
-  1 | set if := 'foo'
-    |     ^^
+   ——▶ justfile:1:5
+    │
+  1 │ set if := 'foo'
+    │     ^^
   ",
   status: EXIT_FAILURE,
 }
@@ -108,10 +108,10 @@ test! {
   justfile: "alias foo := bar\nalias foo := baz\n",
   stderr: "
     error: Alias `foo` first defined on line 1 is redefined on line 2
-     --> justfile:2:7
-      |
-    2 | alias foo := baz
-      |       ^^^
+     ——▶ justfile:2:7
+      │
+    2 │ alias foo := baz
+      │       ^^^
   ",
   status: EXIT_FAILURE,
 }
@@ -121,10 +121,10 @@ test! {
   justfile: "alias foo := bar\n",
   stderr: "
     error: Alias `foo` has an unknown target `bar`
-     --> justfile:1:7
-      |
-    1 | alias foo := bar
-      |       ^^^
+     ——▶ justfile:1:7
+      │
+    1 │ alias foo := bar
+      │       ^^^
   ",
   status: EXIT_FAILURE,
 }
@@ -134,10 +134,10 @@ test! {
   justfile: "bar:\n  echo bar\nalias foo := bar\nfoo:\n  echo foo",
   stderr: "
     error: Alias `foo` defined on line 3 is redefined as a recipe on line 4
-     --> justfile:4:1
-      |
-    4 | foo:
-      | ^^^
+     ——▶ justfile:4:1
+      │
+    4 │ foo:
+      │ ^^^
   ",
   status: EXIT_FAILURE,
 }
@@ -234,10 +234,10 @@ test! {
   justfile: "bar:\nhello:\nfoo: bar baaaaaaaz hello",
   stderr:   "
     error: Recipe `foo` has unknown dependency `baaaaaaaz`
-     --> justfile:3:10
-      |
-    3 | foo: bar baaaaaaaz hello
-      |          ^^^^^^^^^
+     ——▶ justfile:3:10
+      │
+    3 │ foo: bar baaaaaaaz hello
+      │          ^^^^^^^^^
   ",
   status:   EXIT_FAILURE,
 }
@@ -261,10 +261,10 @@ test! {
   justfile: "b := a\na := `exit 100`\nbar:\n echo '{{`exit 200`}}'",
   stderr:   "
     error: Backtick failed with exit code 100
-     --> justfile:2:6
-      |
-    2 | a := `exit 100`
-      |      ^^^^^^^^^^
+     ——▶ justfile:2:6
+      │
+    2 │ a := `exit 100`
+      │      ^^^^^^^^^^
   ",
   status:   100,
 }
@@ -274,10 +274,10 @@ test! {
   justfile: "b := a\na := `echo hello`\nbar:\n echo '{{`exit 200`}}'",
   stderr:   "
     error: Backtick failed with exit code 200
-     --> justfile:4:10
-      |
-    4 |  echo '{{`exit 200`}}'
-      |          ^^^^^^^^^^
+     ——▶ justfile:4:10
+      │
+    4 │  echo '{{`exit 200`}}'
+      │          ^^^^^^^^^^
   ",
   status:   200,
 }
@@ -287,10 +287,10 @@ test! {
   justfile: "f:\n 無{{`exit 200`}}",
   stderr:   "
     error: Backtick failed with exit code 200
-     --> justfile:2:7
-      |
-    2 |  無{{`exit 200`}}
-      |      ^^^^^^^^^^
+     ——▶ justfile:2:7
+      │
+    2 │  無{{`exit 200`}}
+      │      ^^^^^^^^^^
   ",
   status:   200,
 }
@@ -302,10 +302,10 @@ test! {
     \techo {{`exit 200`}}
   ",
   stderr:   "    error: Backtick failed with exit code 200
-     --> justfile:2:9
-      |
-    2 |     echo {{`exit 200`}}
-      |            ^^^^^^^^^^
+     ——▶ justfile:2:9
+      │
+    2 │     echo {{`exit 200`}}
+      │            ^^^^^^^^^^
   ",
   status:   200,
 }
@@ -317,10 +317,10 @@ test! {
     \techo {{\t`exit 200`}}
   ",
   stderr:   "error: Backtick failed with exit code 200
- --> justfile:2:10
-  |
-2 |     echo {{    `exit 200`}}
-  |                ^^^^^^^^^^
+ ——▶ justfile:2:10
+  │
+2 │     echo {{    `exit 200`}}
+  │                ^^^^^^^^^^
 ",
   status:   200,
 }
@@ -333,10 +333,10 @@ test! {
   ",
   stderr:   "
     error: Backtick failed with exit code 200
-     --> justfile:2:10
-      |
-    2 |     echo {{    `exit        200`}}
-      |                ^^^^^^^^^^^^^^^^^
+     ——▶ justfile:2:10
+      │
+    2 │     echo {{    `exit        200`}}
+      │                ^^^^^^^^^^^^^^^^^
   ",
   status:   200,
 }
@@ -349,10 +349,10 @@ test! {
   ",
   stderr: "
     error: Backtick failed with exit code 200
-     --> justfile:2:13
-      |
-    2 |     echo 😬{{`exit 200`}}
-      |              ^^^^^^^^^^
+     ——▶ justfile:2:13
+      │
+    2 │     echo 😬{{`exit 200`}}
+      │              ^^^^^^^^^^
   ",
   status:   200,
 }
@@ -365,10 +365,10 @@ test! {
   ",
   stderr: "
     error: Backtick failed with exit code 200
-     --> justfile:2:24
-      |
-    2 |     echo             😬鎌鼬{{        `exit 200 #             abc`}}            😬鎌鼬
-      |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+     ——▶ justfile:2:24
+      │
+    2 │     echo             😬鎌鼬{{        `exit 200 #             abc`}}            😬鎌鼬
+      │                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   ",
   status:   200,
 }
@@ -389,10 +389,10 @@ test! {
   ",
   stderr:   "
     error: Backtick failed with exit code 200
-      --> justfile:10:10
-       |
-    10 |  echo '{{`exit 200`}}'
-       |          ^^^^^^^^^^
+      ——▶ justfile:10:10
+       │
+    10 │  echo '{{`exit 200`}}'
+       │          ^^^^^^^^^^
   ",
   status:   200,
 }
@@ -406,10 +406,10 @@ test! {
   stdout:   "",
   stderr:   "
     error: Backtick failed with exit code 123
-     --> justfile:4:9
-      |
-    4 |  echo {{`exit 123`}}
-      |         ^^^^^^^^^^
+     ——▶ justfile:4:9
+      │
+    4 │  echo {{`exit 123`}}
+      │         ^^^^^^^^^^
   ",
   status:   123,
 }
@@ -423,10 +423,10 @@ test! {
   stderr:   "
     echo hello
     error: Backtick failed with exit code 123
-     --> justfile:3:9
-      |
-    3 |  echo {{`exit 123`}}
-      |         ^^^^^^^^^^
+     ——▶ justfile:3:9
+      │
+    3 │  echo {{`exit 123`}}
+      │         ^^^^^^^^^^
   ",
   status:   123,
 }
@@ -440,10 +440,10 @@ a := `exit 222`",
   stdout:   "",
   stderr:   "
     error: Backtick failed with exit code 222
-     --> justfile:4:6
-      |
-    4 | a := `exit 222`
-      |      ^^^^^^^^^^
+     ——▶ justfile:4:6
+      │
+    4 │ a := `exit 222`
+      │      ^^^^^^^^^^
   ",
   status:   222,
 }
@@ -556,10 +556,10 @@ test! {
 "#,
   stdout:   "",
   stderr:   "error: Unknown start of token:
-  --> justfile:10:1
-   |
-10 | ^^^
-   | ^
+  ——▶ justfile:10:1
+   │
+10 │ ^^^
+   │ ^
 ",
   status:   EXIT_FAILURE,
 }
@@ -661,7 +661,7 @@ test! {
   justfile: "b := a\na := `exit 100`\nbar:\n echo '{{`exit 200`}}'",
   args:     ("--color", "always"),
   stdout:   "",
-  stderr:   "\u{1b}[1;31merror\u{1b}[0m: \u{1b}[1mBacktick failed with exit code 100\u{1b}[0m\n \u{1b}[1;34m-->\u{1b}[0m justfile:2:6\n  \u{1b}[1;34m|\u{1b}[0m\n\u{1b}[1;34m2 |\u{1b}[0m a := `exit 100`\n  \u{1b}[1;34m|\u{1b}[0m      \u{1b}[1;31m^^^^^^^^^^\u{1b}[0m\n",
+  stderr:   "\u{1b}[1;31merror\u{1b}[0m: \u{1b}[1mBacktick failed with exit code 100\u{1b}[0m\n \u{1b}[1;34m——▶\u{1b}[0m justfile:2:6\n  \u{1b}[1;34m│\u{1b}[0m\n\u{1b}[1;34m2 │\u{1b}[0m a := `exit 100`\n  \u{1b}[1;34m│\u{1b}[0m      \u{1b}[1;31m^^^^^^^^^^\u{1b}[0m\n",
   status:   100,
 }
 
@@ -671,10 +671,10 @@ test! {
   args:     ("--color", "never"),
   stdout:   "",
   stderr:   "error: Backtick failed with exit code 100
- --> justfile:2:6
-  |
-2 | a := `exit 100`
-  |      ^^^^^^^^^^
+ ——▶ justfile:2:6
+  │
+2 │ a := `exit 100`
+  │      ^^^^^^^^^^
 ",
   status:   100,
 }
@@ -685,10 +685,10 @@ test! {
   args:     ("--color", "auto"),
   stdout:   "",
   stderr:   "error: Backtick failed with exit code 100
- --> justfile:2:6
-  |
-2 | a := `exit 100`
-  |      ^^^^^^^^^^
+ ——▶ justfile:2:6
+  │
+2 │ a := `exit 100`
+  │      ^^^^^^^^^^
 ",
   status:   100,
 }
@@ -724,10 +724,10 @@ test! {
   stdout:   "",
   stderr:   "error: Found a mix of tabs and spaces in leading whitespace: `␉␠`
 Leading whitespace may consist of tabs or spaces, but not both
- --> justfile:2:1
-  |
-2 |      echo hello
-  | ^^^^^
+ ——▶ justfile:2:1
+  │
+2 │      echo hello
+  │ ^^^^^
 ",
   status:   EXIT_FAILURE,
 }
@@ -737,10 +737,10 @@ test! {
   justfile: "bar:\n\t\techo hello\n\t\t\techo goodbye",
   stdout:   "",
   stderr:   "error: Recipe line has extra leading whitespace
- --> justfile:3:3
-  |
-3 |             echo goodbye
-  |         ^^^^^^^^^^^^^^^^
+ ——▶ justfile:3:3
+  │
+3 │             echo goodbye
+  │         ^^^^^^^^^^^^^^^^
 ",
   status:   EXIT_FAILURE,
 }
@@ -751,10 +751,10 @@ test! {
   stdout:   "",
   stderr:   "error: Recipe line has inconsistent leading whitespace. \
             Recipe started with `␉␉` but found line with `␉␠`
- --> justfile:3:1
-  |
-3 |      echo goodbye
-  | ^^^^^
+ ——▶ justfile:3:1
+  │
+3 │      echo goodbye
+  │ ^^^^^
 ",
   status:   EXIT_FAILURE,
 }
@@ -764,10 +764,10 @@ test! {
   justfile: "bar:\nhello baz arg='foo' bar:",
   stdout:   "",
   stderr:   "error: Non-default parameter `bar` follows default parameter
- --> justfile:2:21
-  |
-2 | hello baz arg='foo' bar:
-  |                     ^^^
+ ——▶ justfile:2:21
+  │
+2 │ hello baz arg='foo' bar:
+  │                     ^^^
 ",
   status:   EXIT_FAILURE,
 }
@@ -777,10 +777,10 @@ test! {
   justfile: "bar:\nhello baz +arg bar:",
   stdout:   "",
   stderr:   "error: Parameter `bar` follows variadic parameter
- --> justfile:2:16
-  |
-2 | hello baz +arg bar:
-  |                ^^^
+ ——▶ justfile:2:16
+  │
+2 │ hello baz +arg bar:
+  │                ^^^
 ",
   status:   EXIT_FAILURE,
 }
@@ -790,10 +790,10 @@ test! {
   justfile: "bar:\nhello baz *arg bar:",
   stdout:   "",
   stderr:   "error: Parameter `bar` follows variadic parameter
- --> justfile:2:16
-  |
-2 | hello baz *arg bar:
-  |                ^^^
+ ——▶ justfile:2:16
+  │
+2 │ hello baz *arg bar:
+  │                ^^^
 ",
   status:   EXIT_FAILURE,
 }
@@ -1163,10 +1163,10 @@ bar:"#,
   args:     ("bar"),
   stdout:   "",
   stderr:   r#"error: Call to unknown function `foo`
- --> justfile:1:8
-  |
-1 | foo := foo() + "hello"
-  |        ^^^
+ ——▶ justfile:1:8
+  │
+1 │ foo := foo() + "hello"
+  │        ^^^
 "#,
   status:   EXIT_FAILURE,