diff --git a/crates/ui-egui/src/i18n.rs b/crates/ui-egui/src/i18n.rs
index 2c0cbb0f..51337f2c 100644
--- a/crates/ui-egui/src/i18n.rs
+++ b/crates/ui-egui/src/i18n.rs
@@ -7435,7 +7435,9 @@ mod tests {
     /// whose effect names come from the effect catalog instead.
     fn missing_menu_entries(code: &str) -> Vec<String> {
         let catalog = menu_catalog(code).unwrap_or_default();
+        // A label the tree repeats (one command in two menus) counts once.
         let mut missing = Vec::new();
+        let mut seen = BTreeSet::new();
         for line in TREE.lines() {
             let line = line.trim().trim_start_matches("[mac] ").trim_start_matches("[!mac] ");
             if line.is_empty() || line == "---" || line.starts_with('@') {
@@ -7444,7 +7446,7 @@ mod tests {
             let mut parts = line.split(" | ");
             let Some(en) = parts.next() else { continue };
             let command = parts.next().and_then(|p| p.split_whitespace().next()).unwrap_or("");
-            if !catalog.iter().any(|(id, source, _)| *id == command && *source == en) {
+            if !catalog.iter().any(|(id, source, _)| *id == command && *source == en) && seen.insert((command, en)) {
                 missing.push(en.to_string());
             }
         }
@@ -7459,11 +7461,7 @@ mod tests {
         println!("Missing translations (shown in English):");
         let mut total = 0;
         for code in CATALOG_CODES {
-            let catalogs = [
-                ("menus", missing_menu_entries(code)),
-                ("panels", ui::missing(code).into_iter().map(str::to_string).collect()),
-                ("effects", effects::missing(code)),
-            ];
+            let catalogs = [("menus", missing_menu_entries(code)), ("panels", ui::missing(code)), ("effects", effects::missing(code))];
             let count: usize = catalogs.iter().map(|(_, missing)| missing.len()).sum();
             total += count;
             println!("{code}: {count}");
diff --git a/crates/ui-egui/src/i18n/ui.rs b/crates/ui-egui/src/i18n/ui.rs
index fab6c2e0..34e2dda8 100644
--- a/crates/ui-egui/src/i18n/ui.rs
+++ b/crates/ui-egui/src/i18n/ui.rs
@@ -80,13 +80,53 @@ fn catalog(language: &str) -> Option<&'static Index> {
     Some(index.get_or_init(|| rows.iter().copied().collect()))
 }
 
-/// The panel strings `language` has no row for (every English source any catalog lists), in
-/// catalog order, for the missing-strings report.
+/// The panel strings `language` has no row for, for the missing-strings report: every English
+/// source any catalog lists, in catalog order, then the literals the converted panels pass to `tr`
+/// or `tr_args` that no catalog lists yet.
 #[cfg(test)]
-pub(super) fn missing(language: &str) -> Vec<&'static str> {
+pub(super) fn missing(language: &str) -> Vec<String> {
     let table = catalog(language);
+    let rows = ROWS.iter().flat_map(|(_, rows)| rows.iter().map(|(en, _)| en.to_string()));
+    let literals = tests::CONVERTED.iter().flat_map(|(_, src)| tr_literals(src));
     let mut seen = std::collections::HashSet::new();
-    ROWS.iter().flat_map(|(_, rows)| rows.iter().map(|(en, _)| *en)).filter(|en| seen.insert(*en) && !table.is_some_and(|c| c.contains_key(en))).collect()
+    rows.chain(literals).filter(|en| !table.is_some_and(|c| c.contains_key(en.as_str())) && seen.insert(en.clone())).collect()
+}
+
+/// The string literals `src` passes to `tr(` and `tr_args(`.
+#[cfg(test)]
+fn tr_literals(src: &str) -> Vec<String> {
+    let mut out = Vec::new();
+    for call in ["tr(\"", "tr_args(\""] {
+        for (at, _) in src.match_indices(call) {
+            // `str("` or `attr("` is another call.
+            if src[..at].chars().next_back().is_some_and(|c| c.is_alphanumeric() || c == '_') {
+                continue;
+            }
+            out.extend(string_literal(&src[at + call.len()..]));
+        }
+    }
+    out
+}
+
+/// The text of the string literal `rest` starts inside (just after its opening quote), with the
+/// common escapes resolved; `None` for an escape this doesn't resolve.
+#[cfg(test)]
+fn string_literal(rest: &str) -> Option<String> {
+    let mut out = String::new();
+    let mut chars = rest.chars();
+    while let Some(c) = chars.next() {
+        match c {
+            '"' => return Some(out),
+            '\\' => match chars.next()? {
+                'n' => out.push('\n'),
+                't' => out.push('\t'),
+                c @ ('\\' | '"' | '\'') => out.push(c),
+                _ => return None,
+            },
+            c => out.push(c),
+        }
+    }
+    None
 }
 
 /// Characters required by the fixed panel catalog, for system-font coverage selection.
@@ -5388,9 +5428,10 @@ mod tests {
 
     /// The interface text that has moved into this catalog. Add a panel here when you convert it;
     /// `every_row_is_used_by_a_converted_panel` then looks for its rows' English sources in it.
-    const CONVERTED: &[(&str, &str)] = &[
+    pub(super) const CONVERTED: &[(&str, &str)] = &[
         ("color_picker.rs", include_str!("../color_picker.rs")),
         ("credits.rs", include_str!("../credits.rs")),
+        ("dock.rs", include_str!("../dock.rs")),
         ("dock_ui.rs", include_str!("../dock_ui.rs")),
         ("header.rs", include_str!("../header.rs")),
         ("menus.rs", include_str!("../menus.rs")),