fix: limit CUPS localization scope

cups-templates-zh_CN/trailer.tmpl

@@ -205,13 +205,21 @@
         }
 
         function localizeControls(root) {
-          var options = root.querySelectorAll("option");
+          var selects = root.querySelectorAll("select");
           var inputs = root.querySelectorAll("input[type=submit], input[type=button], input[type=reset], button");
           var i;
+          var j;
+          var select;
 
-          for (i = 0; i < options.length; i++) {
-            options[i].text = localizeText(options[i].text);
+          for (i = 0; i < selects.length; i++) {
+            select = selects[i];
+            if ((select.id && select.id.indexOf("select-") === 0) || select.name === "OP") {
+              for (j = 0; j < select.options.length; j++) {
+                select.options[j].text = localizeText(select.options[j].text);
+              }
+            }
           }
+
           for (i = 0; i < inputs.length; i++) {
             if (inputs[i].value) {
               inputs[i].value = trimText(localizeText(inputs[i].value));
@@ -219,9 +227,24 @@
           }
         }
 
-        localizeNodeText(document.body);
+        function localizeSafeTextBlocks(root) {
+          var blocks = root.querySelectorAll("h1, h2, h3, th, .title, .header a, .tabs label");
+          var cells = root.querySelectorAll("td");
+          var i;
+
+          for (i = 0; i < blocks.length; i++) {
+            localizeNodeText(blocks[i]);
+          }
+
+          for (i = 0; i < cells.length; i++) {
+            if (/^\s*(job-sheets|media|sides)=/.test(cells[i].textContent || "")) {
+              localizeNodeText(cells[i]);
+            }
+          }
+        }
+
+        localizeSafeTextBlocks(document);
         localizeControls(document);
-        document.title = localizeText(document.title);
       })();
     //--></script>
     <div class="footer">CUPS 和 CUPS 标志是 <a href="http://www.apple.com">Apple Inc.</a> 的商标 | 中文汉化版</div>