Fixed problem with % processing on .po files. Fixed quote ' processing on I18N lib.

Author: cmaglie

app/src/processing/app/I18n.java

@@ -46,15 +46,29 @@ static protected void init (String language) {
   }
 
   public static String _(String s) {
+    String res;
     try {
-      return i18n.getString(s);
-    }
-    catch (MissingResourceException e) {
-      return s;
+      res = i18n.getString(s);
+    } catch (MissingResourceException e) {
+      res = s;
     }
+    
+    // The single % is the arguments selector in .PO files.
+    // We must put double %% inside the translations to avoid
+    // getting .PO processing in the way.
+    res = res.replace("%%", "%");
+    
+    return res;
   }
 
   public static String format(String fmt, Object ... args) {
+    // Single quote is used to escape curly bracket arguments.
+    
+    // - Prevents strings fixed at translation time to be fixed again
+    fmt = fmt.replace("''", "'");
+    // - Replace ' with the escaped version ''
+    fmt = fmt.replace("'", "''");
+
     return MessageFormat.format(fmt, args);
   }
 

app/src/processing/app/Sketch.java

@@ -1634,12 +1634,12 @@ protected void size(PreferencesMap prefs) throws RunnerException {
     long textSize = sizes[0];
     long dataSize = sizes[1];
     System.out.println(I18n
-                       .format(_("Binary sketch size: {0} bytes (of a {1} byte maximum) - {2}% used"),
+                       .format(_("Binary sketch size: {0} bytes (of a {1} byte maximum) - {2}%% used"),
                                textSize, maxTextSize, textSize * 100 / maxTextSize));
     if (dataSize >= 0) {
       if (maxDataSize > 0) {
         System.out.println(I18n.format(
-                        _("Minimum Memory usage: {0} bytes (of a {1} byte maximum) - {2}% used"),
+                        _("Minimum Memory usage: {0} bytes (of a {1} byte maximum) - {2}%% used"),
                         dataSize, maxDataSize, dataSize * 100 / maxDataSize));
       } else {
         System.out.println(I18n.format(_("Minimum Memory usage: {0} bytes"), dataSize));