Small tweaks.

src/net/apocalypselabs/symat/CodeEditor.java

@@ -478,8 +478,9 @@ public class CodeEditor extends javax.swing.JInternalFrame {
             openString(FileUtils.readFile(f.getAbsolutePath()),
                     f.getAbsolutePath(), true);
         } catch (IOException ex) {
-            JOptionPane.showInternalMessageDialog(this,
+            JOptionPane.showInternalMessageDialog(MainGUI.mainPane,
                     "Error:  Cannot load file: " + ex.getMessage());
+            MainGUI.loadRecentFiles();
         }
     }
 

src/net/apocalypselabs/symat/Interpreter.java

@@ -86,9 +86,9 @@ public class Interpreter extends javax.swing.JInternalFrame {
         }
 
         // Set font
-        int font_size = 15;
+        int font_size = 12;
         try {
-            font_size = Integer.valueOf(PrefStorage.getSetting("editfont"));
+            font_size = Integer.valueOf(PrefStorage.getSetting("shellfontsize", "12"));
         } catch (Exception ex) {
         }
         mainBox.setFont(new Font(Font.MONOSPACED, Font.PLAIN, font_size));
@@ -391,6 +391,7 @@ public class Interpreter extends javax.swing.JInternalFrame {
         if (fo.isModified()) {
             mainBox.setFont(new Font(Font.MONOSPACED, Font.PLAIN, fo.getResult()));
             inputBox.setFont(new Font(Font.MONOSPACED, Font.PLAIN, fo.getResult()));
+            PrefStorage.saveSetting("shellfontsize", String.valueOf(fo.getResult()));
         }
     }//GEN-LAST:event_fontBtnActionPerformed