Don't do font fallback for unshapable newlines

1 files changed, 5 insertions, 0 deletions

diff --git a/src/library/text.rs b/src/library/text.rs
index 78de55fd..b8810ac6 100644
--- a/src/library/text.rs
+++ b/src/library/text.rs
@@ -426,6 +426,11 @@ fn shape_segment<'a>(
     dir: Dir,
     tags: &[rustybuzz::Feature],
 ) {
+    // No font has newlines.
+    if text.chars().all(|c| c == '\n') {
+        return;
+    }
+
     // Select the font family.
     let (face_id, fallback) = loop {
         // Try to load the next available font family.