diff --git a/dist/releaseNotes.html b/dist/releaseNotes.html
index fc286c5..8977be0 100644
--- a/dist/releaseNotes.html
+++ b/dist/releaseNotes.html
@@ -14,6 +14,15 @@ <h3><a href='http://schemaspy.sourceforge.net'>SchemaSpy</a> Release Notes</h3>
 
 <li class='release'>x.x.x - xx/xx/xxxx - Subversion revision 596
 <ul>
+    <li>Low quality rendering was always being used when multiple schemas 
+        were being analyzed.  
+        Now honors -hq or -lq from command-line in for multiples.<br>
+        rev 620
+    </li>
+    <li>Now makes sure XML-defined FKs point to PKs.  
+        If not then assumes it should have been a PK (with a warning).<br>
+        rev 619
+    </li>
     <li>While trying to resolve <a href="https://sourceforge.net/projects/schemaspy/forums/forum/462850/topic/3232728">
         a problem with MySQL's cross-schema foreign keys</a> I discovered that MySQL uses
         catalogs as a namespace mechanism from the perspective of the JDBC metadata
diff --git a/src/net/sourceforge/schemaspy/Config.java b/src/net/sourceforge/schemaspy/Config.java
index 65e158e..b7ed8cd 100644
--- a/src/net/sourceforge/schemaspy/Config.java
+++ b/src/net/sourceforge/schemaspy/Config.java
@@ -117,6 +117,9 @@ public class Config
     private boolean populating = false;
     public static final String DOT_CHARSET = "UTF-8";
     private static final String ESCAPED_EQUALS = "\\=";
+    private static final String DEFAULT_TABLE_INCLUSION = ".*"; // match everything
+    private static final String DEFAULT_TABLE_EXCLUSION = "";   // match nothing
+    private static final String DEFAULT_COLUMN_EXCLUSION = "[^.]";  // match nothing
 
     /**
      * Default constructor. Intended for when you want to inject properties
@@ -849,7 +852,7 @@ public Pattern getColumnExclusions() {
         if (columnExclusions == null) {
             String strExclusions = pullParam("-X");
             if (strExclusions == null)
-                strExclusions = "[^.]";   // match nothing
+                strExclusions = DEFAULT_COLUMN_EXCLUSION;
 
             columnExclusions = Pattern.compile(strExclusions);
         }
@@ -877,7 +880,7 @@ public Pattern getIndirectColumnExclusions() {
         if (indirectColumnExclusions == null) {
             String strExclusions = pullParam("-x");
             if (strExclusions == null)
-                strExclusions = "[^.]";   // match nothing
+                strExclusions = DEFAULT_COLUMN_EXCLUSION;
 
             indirectColumnExclusions = Pattern.compile(strExclusions);
         }
@@ -902,7 +905,7 @@ public Pattern getTableInclusions() {
         if (tableInclusions == null) {
             String strInclusions = pullParam("-i");
             if (strInclusions == null)
-                strInclusions = ".*";     // match anything
+                strInclusions = DEFAULT_TABLE_INCLUSION;
 
             try {
                 tableInclusions = Pattern.compile(strInclusions);
@@ -931,7 +934,7 @@ public Pattern getTableExclusions() {
         if (tableExclusions == null) {
             String strExclusions = pullParam("-I");
             if (strExclusions == null)
-                strExclusions = "";  // match nothing
+                strExclusions = DEFAULT_TABLE_EXCLUSION;
 
             try {
                 tableExclusions = Pattern.compile(strExclusions);
@@ -1613,6 +1616,8 @@ public List<String> asList() throws IOException {
         params.add(String.valueOf(getFontSize()));
         params.add("-t");
         params.add(getDbType());
+        isHighQuality();    // query to set renderer correctly
+        isLowQuality();     // query to set renderer correctly
         params.add("-renderer");  // instead of -hq and/or -lq
         params.add(getRenderer());
         value = getDescription();
@@ -1687,14 +1692,24 @@ public List<String> asList() throws IOException {
         params.add(getLogLevel().toString().toLowerCase());
         params.add("-sqlFormatter");
         params.add(getSqlFormatter().getClass().getName());
-        params.add("-i");
-        params.add(getTableInclusions().pattern());
-        params.add("-I");
-        params.add(getTableExclusions().pattern());
-        params.add("-x");
-        params.add(getColumnExclusions().pattern());
-        params.add("-X");
-        params.add(getIndirectColumnExclusions().pattern());
+        // conditional hack to reduce likelihood of cmd interpreter
+        // expanding these into filenames
+        if (!getTableInclusions().pattern().equals(DEFAULT_TABLE_INCLUSION)) {
+            params.add("-i");
+            params.add(getTableInclusions().pattern());
+        }
+        if (!getTableExclusions().pattern().equals(DEFAULT_TABLE_EXCLUSION)) {
+            params.add("-I");
+            params.add(getTableExclusions().pattern());
+        }
+        if (!getColumnExclusions().pattern().equals(DEFAULT_COLUMN_EXCLUSION)) {
+            params.add("-x");
+            params.add(getColumnExclusions().pattern());
+        }
+        if (!getIndirectColumnExclusions().pattern().equals(DEFAULT_COLUMN_EXCLUSION)) {
+            params.add("-X");
+            params.add(getIndirectColumnExclusions().pattern());
+        }
         params.add("-dbthreads");
         params.add(String.valueOf(getMaxDbThreads()));
         params.add("-maxdet");
diff --git a/src/net/sourceforge/schemaspy/util/Dot.java b/src/net/sourceforge/schemaspy/util/Dot.java
index 1a96e63..91faa82 100755
--- a/src/net/sourceforge/schemaspy/util/Dot.java
+++ b/src/net/sourceforge/schemaspy/util/Dot.java
@@ -65,16 +65,17 @@ private Dot() {
             } else {
                 if (Config.getInstance().isHtmlGenerationEnabled()) {
                     System.err.println();
-                    System.err.println("Invalid dot configuration detected.  '" +
+                    logger.warning("Invalid dot configuration detected.  '" +
                                         getDisplayableCommand(dotCommand) + "' returned:");
-                    System.err.println("   " + versionLine);
+                    logger.warning("   " + versionLine);
                 }
             }
         } catch (Exception validDotDoesntExist) {
             if (Config.getInstance().isHtmlGenerationEnabled()) {
-                System.err.println("Failed to query Graphviz version information");
-                System.err.println("  with: " + getDisplayableCommand(dotCommand));
-                System.err.println("  " + validDotDoesntExist);
+                System.err.println();
+                logger.warning("Failed to query Graphviz version information");
+                logger.warning("  with: " + getDisplayableCommand(dotCommand));
+                logger.warning("  " + validDotDoesntExist);
             }
         }
 
@@ -216,7 +217,7 @@ public boolean supportsRenderer(@SuppressWarnings("hiding") String renderer) {
         }
 
         if (!validatedRenderers.contains(renderer)) {
-            //System.err.println("\nFailed to validate " + getFormat() + " renderer '" + renderer + "'.  Reverting to detault renderer for " + getFormat() + '.');
+            logger.info("Failed to validate " + getFormat() + " renderer '" + renderer + "'.  Reverting to default renderer for " + getFormat() + '.');
             invalidatedRenderers.add(renderer);
             return false;
         }