C14.14 r3: formulas framed after outlining, a file per print job, no source selection in rendered modes (library 8234fcd)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

apps/ely-mark/src/export/mod.rs

@@ -249,7 +249,7 @@ impl Desk {
             .and_then(|path| path.parent())
             .map(PathBuf::from);
         let (revision, work) = (source.session.revision(), source.work.clone());
-        let pdf = work.join("print.pdf");
+        let pdf = print_copy(&work);
         log::info!("mark: prints tab {tab}");
         cx.spawn(async move |desk, cx| {
             let written = cx
@@ -310,5 +310,12 @@ impl Desk {
     }
 }
 
+/// A file of its own for each print job.
+fn print_copy(work: &std::path::Path) -> PathBuf {
+    static JOBS: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(0);
+    let job = JOBS.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
+    work.join(format!("print-{job}.pdf"))
+}
+
 #[cfg(test)]
 mod tests;

apps/ely-mark/src/export/tests.rs

@@ -86,3 +86,9 @@ fn rich_copy_takes_the_selection_as_html(cx: &mut TestAppContext) {
         "{html}"
     );
 }
+
+#[test]
+fn each_print_job_writes_its_own_file() {
+    let work = std::path::Path::new("work");
+    assert_ne!(super::print_copy(work), super::print_copy(work));
+}