diff --git a/source/org/thdl/tib/input/ConverterGUI.java b/source/org/thdl/tib/input/ConverterGUI.java
index 39dea92..b542e47 100644
--- a/source/org/thdl/tib/input/ConverterGUI.java
+++ b/source/org/thdl/tib/input/ConverterGUI.java
@@ -26,7 +26,12 @@ import javax.swing.JOptionPane;
 import java.awt.Frame;
 import java.awt.Dialog;
 
-/** DLC FIXMEDOC
+/** The ConverterGUI is a Swing GUI application.  It is used for
+ *  converting TibetanMachine-, TibetanMachineWeb-, and THDL Extended
+ *  Wylie-encoded Rich Text Files to any of several formats, including
+ *  Unicode.  The TibetanMachine-to-TibetanMachineWeb conversion is
+ *  flawless, and is used as an intermediate step in other
+ *  conversions, for example the TibetanMachine-to-Unicode conversion.
  *  @author David Chandler */
 public class ConverterGUI implements FontConversion, FontConverterConstants {
     /** Default constructor; does nothing */
@@ -42,7 +47,6 @@ public class ConverterGUI implements FontConversion, FontConverterConstants {
         System.exit(realMain(args, System.out, null));
     }
 
-    // DLC FIXMEDOC returns true on success
     public boolean doConversion(ConvertDialog cd, File oldFile, File newFile,
                                 String whichConversion) {
         PrintStream ps;
@@ -101,12 +105,12 @@ public class ConverterGUI implements FontConversion, FontConverterConstants {
         }
     }
 
-    // DLC FIXMEDOC
     public String getDefaultDirectory() {
         return ThdlOptions.getStringOption("thdl.Jskad.working.directory",
                                            null);
     }
 
+    /** the exit status of this application */
     private static int returnCode = 0;
 
     /** Runs the converter without exiting the program.
diff --git a/source/org/thdl/tib/input/DuffPane.java b/source/org/thdl/tib/input/DuffPane.java
index 1aee00d..fce1391 100644
--- a/source/org/thdl/tib/input/DuffPane.java
+++ b/source/org/thdl/tib/input/DuffPane.java
@@ -279,15 +279,11 @@ public class DuffPane extends TibetanPane implements FocusListener {
     }
 
     private static int defaultTibFontSize() {
-        // FIXME: at program exit, or when the user selects "Save
-        // preferences", or somehow, save the value the users chooses:
         return ThdlOptions.getIntegerOption("thdl.default.tibetan.font.size",
                                             36);
     }
 
     private static int defaultRomanFontSize() {
-        // FIXME: at program exit, or when the user selects "Save
-        // preferences", or somehow, save the value the users chooses:
         return ThdlOptions.getIntegerOption("thdl.default.roman.font.size",
                                             14);
     }
diff --git a/source/org/thdl/tib/input/FontConversion.java b/source/org/thdl/tib/input/FontConversion.java
index bb2d6da..f5ca59d 100644
--- a/source/org/thdl/tib/input/FontConversion.java
+++ b/source/org/thdl/tib/input/FontConversion.java
@@ -20,10 +20,22 @@ package org.thdl.tib.input;
 
 import java.io.File;
 
-// DLC FIXMEDOC
+/** A FontConversion is an implementer of the conversions built into
+ *  (@link #ConvertDialog}.
+ *  @author Nathaniel Garson, Tibetan and Himalayan Digital Library */
 interface FontConversion
 {
+    /** Returns the directory to be displayed when the user selects
+        "Browse..." to look for either the new or old file.  May
+        return null if no particular choice seems more appropriate
+        than any other. */
     String getDefaultDirectory();
+
+    /** Converts oldFile to newFile, yielding a modal dialog box
+        displaying the results if you want happy users.  The
+        conversion performed is specified by the interned String
+        whichConversion, which must be one of the known conversions.
+        @return true on success, false otherwise */
     boolean doConversion(ConvertDialog cd, File oldFile,
                          File newFile, String whichConversion);
 }
diff --git a/source/org/thdl/tib/input/FontConverterConstants.java b/source/org/thdl/tib/input/FontConverterConstants.java
index 1e80ea8..4711bec 100644
--- a/source/org/thdl/tib/input/FontConverterConstants.java
+++ b/source/org/thdl/tib/input/FontConverterConstants.java
@@ -40,8 +40,6 @@ interface FontConverterConstants
     final String suggested_TO_UNI_prefix = "Uni_";
     final String suggested_TO_TM_prefix = "TM_";
 
-    // DLC prune
-
     // String Constants
     public final String PROGRAM_TITLE = "THDL Font Conversion (with Jskad Technology)";
 
diff --git a/source/org/thdl/tib/input/RecentlyOpenedFilesDatabase.java b/source/org/thdl/tib/input/RecentlyOpenedFilesDatabase.java
index 07ae259..dcc9e6d 100644
--- a/source/org/thdl/tib/input/RecentlyOpenedFilesDatabase.java
+++ b/source/org/thdl/tib/input/RecentlyOpenedFilesDatabase.java
@@ -31,7 +31,6 @@ import java.io.File;
 class RecentlyOpenedFilesDatabase {
 
     /** Tells ThdlOptions about the recently opened files.  Call this before program exit. */
-    // DLC FIXME: this doesn't keep the second-most recently opened item second if you have just three items.
     public static void storeRecentlyOpenedFilePreferences() {
         int n = 0;
         // We store 2*N files in the preferences in case some are deleted.
diff --git a/source/org/thdl/tib/text/tibwn.ini b/source/org/thdl/tib/text/tibwn.ini
index e9b7e99..f00c21f 100644
--- a/source/org/thdl/tib/text/tibwn.ini
+++ b/source/org/thdl/tib/text/tibwn.ini
@@ -27,7 +27,7 @@ _, ,/,|,!,:,;,@,#,$,%,(,),H,M,`,&,@#,?,=,[,],<,>,{,},*
 <?Input:Punctuation?>
 //_~32,1~0,32
 // ~45,1~0,45~~~~~~~0F0B
-// DLC 0020 or a wider space?
+// DLC 0020 or a wider space, perhaps a couple of EM spaces (2003,2003)?
 _~32,1~~1,32~~~~~~~0020
  ~45,1~~1,45~~~~~~~0F0B
 /~202,1~~1,107~~~~~~~0F0D