dictionary: Corrected topDict()

Resolves bug-report http://www.openfoam.org/mantisbt/view.php?id=2060

src/OpenFOAM/db/dictionary/dictionary.C

@@ -238,7 +238,7 @@ const Foam::dictionary& Foam::dictionary::topDict() const
     }
     else
     {
-        return p;
+        return *this;
     }
 }
 
@@ -273,7 +273,7 @@ Foam::SHA1Digest Foam::dictionary::digest() const
 {
     OSHA1stream os;
 
-    // process entries
+    // Process entries
     forAllConstIter(IDLList<entry>, *this, iter)
     {
         os << *iter;
@@ -285,12 +285,12 @@ Foam::SHA1Digest Foam::dictionary::digest() const
 
 Foam::tokenList Foam::dictionary::tokens() const
 {
-    // linearise dictionary into a string
+    // Serialize dictionary into a string
     OStringStream os;
     write(os, false);
     IStringStream is(os.str());
 
-    // parse string as tokens
+    // Parse string as tokens
     DynamicList<token> tokens;
     token t;
     while (is.read(t))
@@ -579,10 +579,10 @@ bool Foam::dictionary::substituteScopedKeyword(const word& keyword)
 {
     word varName = keyword(1, keyword.size()-1);
 
-    // lookup the variable name in the given dictionary
+    // Lookup the variable name in the given dictionary
     const entry* ePtr = lookupScopedEntryPtr(varName, true, true);
 
-    // if defined insert its entries into this dictionary
+    // If defined insert its entries into this dictionary
     if (ePtr != NULL)
     {
         const dictionary& addDict = ePtr->dict();
@@ -737,7 +737,7 @@ bool Foam::dictionary::add(entry* entryPtr, bool mergeEntry)
 
     if (mergeEntry && iter != hashedEntries_.end())
     {
-        // merge dictionary with dictionary
+        // Merge dictionary with dictionary
         if (iter()->isDict() && entryPtr->isDict())
         {
             iter()->dict().merge(entryPtr->dict());
@@ -747,7 +747,7 @@ bool Foam::dictionary::add(entry* entryPtr, bool mergeEntry)
         }
         else
         {
-            // replace existing dictionary with entry or vice versa
+            // Replace existing dictionary with entry or vice versa
             IDLList<entry>::replace(iter(), entryPtr);
             delete iter();
             hashedEntries_.erase(iter);
@@ -859,7 +859,7 @@ void Foam::dictionary::set(entry* entryPtr)
 {
     entry* existingPtr = lookupEntryPtr(entryPtr->keyword(), false, true);
 
-    // clear dictionary so merge acts like overwrite
+    // Clear dictionary so merge acts like overwrite
     if (existingPtr && existingPtr->isDict())
     {
         existingPtr->dict().clear();
@@ -919,7 +919,7 @@ bool Foam::dictionary::changeKeyword
     bool forceOverwrite
 )
 {
-    // no change
+    // No change
     if (oldKeyword == newKeyword)
     {
         return false;
@@ -985,7 +985,7 @@ bool Foam::dictionary::changeKeyword
         }
     }
 
-    // change name and HashTable, but leave DL-List untouched
+    // Change name and HashTable, but leave DL-List untouched
     iter()->keyword() = newKeyword;
     iter()->name() = name() + '.' + newKeyword;
     hashedEntries_.erase(oldKeyword);
@@ -1039,7 +1039,7 @@ bool Foam::dictionary::merge(const dictionary& dict)
         }
         else
         {
-            // not found - just add
+            // Not found - just add
             add(iter().clone(*this).ptr());
             changed = true;
         }
@@ -1060,7 +1060,7 @@ void Foam::dictionary::clear()
 
 void Foam::dictionary::transfer(dictionary& dict)
 {
-    // changing parents probably doesn't make much sense,
+    // Changing parents probably doesn't make much sense,
     // but what about the names?
     name() = dict.name();