fix: allow newlines inside bracket link path

src/syntax/link.rs

@@ -22,7 +22,7 @@ pub fn link_node(input: Input) -> IResult<Input, GreenElement, ()> {
     let mut parser = map(
         tuple((
             l_bracket2_token,
-            take_while(|c: char| c != '<' && c != '>' && c != '\n' && c != ']'),
+            take_while(|c: char| c != '<' && c != '>' && c != ']'),
             opt(tuple((
                 r_bracket_token,
                 l_bracket_token,
@@ -110,3 +110,66 @@ fn parse() {
 
     assert!(link_node(("[[#id][desc]", config).into()).is_err());
 }
+
+/// Emacs org-mode accepts a single newline inside a bracket link — both inside
+/// the path and inside the description.  These tests document the discrepancy
+/// against orgize and serve as the reproducer for the upstream issue/PR.
+#[test]
+fn parse_multiline_link() {
+    use crate::{ast::Link, tests::to_ast};
+
+    let to_link = to_ast::<Link>(link_node);
+
+    // Path-only link with a newline inside the path.
+    let link = to_link("[[really really long link\nthat just keeps going]]");
+    insta::assert_debug_snapshot!(
+        link.syntax,
+        @r###"
+    LINK@0..49
+      L_BRACKET2@0..2 "[["
+      LINK_PATH@2..47 "really really long li ..."
+      R_BRACKET2@47..49 "]]"
+    "###
+    );
+
+    // Link with separate description that contains a newline.
+    let link = to_link("[[https://example.com][some\ndescription]]");
+    insta::assert_debug_snapshot!(
+        link.syntax,
+        @r###"
+    LINK@0..41
+      L_BRACKET2@0..2 "[["
+      LINK_PATH@2..21 "https://example.com"
+      R_BRACKET@21..22 "]"
+      L_BRACKET@22..23 "["
+      TEXT@23..39 "some\ndescription"
+      R_BRACKET2@39..41 "]]"
+    "###
+    );
+}
+
+/// `Org::parse` should also pick up multi-line links inside paragraphs.  This
+/// is the end-to-end case relevant to downstream formatters (e.g. org-fmt).
+#[test]
+fn parse_multiline_link_in_paragraph() {
+    use crate::{ast::Link, Org};
+    use rowan::ast::AstNode;
+
+    let org = Org::parse(
+        "Here is a [[really really long link\nthat just keeps going]] in prose.\n",
+    );
+
+    let links: Vec<_> = org
+        .document()
+        .syntax()
+        .descendants()
+        .filter_map(Link::cast)
+        .collect();
+
+    assert_eq!(
+        links.len(),
+        1,
+        "expected one link, found {}",
+        links.len(),
+    );
+}