Make ligatures copyable and searchable

Fixes #479
Fixes #1040

4 files changed, 19 insertions, 1 deletions

diff --git a/tests/ref/text/copy-paste.png b/tests/ref/text/copy-paste.png
new file mode 100644
index 00000000..cbbad940
--- /dev/null
+++ b/tests/ref/text/copy-paste.png
diff --git a/tests/ref/text/shaping.png b/tests/ref/text/shaping.png
index 7b33074f..278fe8ee 100644
--- a/tests/ref/text/shaping.png
+++ b/tests/ref/text/shaping.png
diff --git a/tests/src/tests.rs b/tests/src/tests.rs
index 0e22084c..2a0b74ea 100644
--- a/tests/src/tests.rs
+++ b/tests/src/tests.rs
@@ -353,9 +353,18 @@ fn test(
     pdf_path: Option<&Path>,
     args: &Args,
 ) -> bool {
-    let name = src_path.strip_prefix(TYP_DIR).unwrap_or(src_path);
+    struct PanicGuard<'a>(&'a Path);
+    impl Drop for PanicGuard<'_> {
+        fn drop(&mut self) {
+            if std::thread::panicking() {
+                println!("Panicked in {}", self.0.display());
+            }
+        }
+    }
 
+    let name = src_path.strip_prefix(TYP_DIR).unwrap_or(src_path);
     let text = fs::read_to_string(src_path).unwrap();
+    let _guard = PanicGuard(name);
 
     let mut output = String::new();
     let mut ok = true;
@@ -401,6 +410,7 @@ fn test(
                 line,
                 &mut rng,
             );
+
             ok &= part_ok;
             compare_ever |= compare_here;
             frames.extend(part_frames);
diff --git a/tests/typ/text/copy-paste.typ b/tests/typ/text/copy-paste.typ
new file mode 100644
index 00000000..5d826482
--- /dev/null
+++ b/tests/typ/text/copy-paste.typ
@@ -0,0 +1,8 @@
+// Test copy-paste and search in PDF with ligatures
+// and Arabic test. Must be tested manually!
+
+---
+The after fira 🏳️‍🌈!
+
+#set text(lang: "ar", font: "Noto Sans Arabic")
+مرحبًا