Code comments, log strings and some variable spell fixes.

src/osgDB/FileUtils.cpp

@@ -275,16 +275,16 @@ bool osgDB::setCurrentWorkingDirectory( const std::string &newCurrentWorkingDire
 void osgDB::convertStringPathIntoFilePathList(const std::string& paths,FilePathList& filepath)
 {
 #if defined(WIN32) && !defined(__CYGWIN__)
-    char delimitor = ';';
+    char delimiter = ';';
 #else
-    char delimitor = ':';
+    char delimiter = ':';
 #endif
 
     if (!paths.empty())
     {
         std::string::size_type start = 0;
         std::string::size_type end;
-        while ((end = paths.find_first_of(delimitor,start))!=std::string::npos)
+        while ((end = paths.find_first_of(delimiter,start))!=std::string::npos)
         {
             filepath.push_back(std::string(paths,start,end-start));
             start = end+1;
@@ -988,7 +988,7 @@ bool osgDB::containsCurrentWorkingDirectoryReference(const FilePathList& paths)
     // The Carbon version is noticeably longer.
     // Unfortunately, the Cocoa version requires -lobjc to be
     // linked in when creating an executable.
-    // Rumor is that this will be done autmatically in gcc 3.5/Tiger,
+    // Rumor is that this will be done automatically in gcc 3.5/Tiger,
     // but for now, this will cause a lot of headaches for people
     // who aren't familiar with this concept, so the Carbon version
     // is preferable.

src/osgDB/OutputStream.cpp

@@ -576,7 +576,7 @@ void OutputStream::writeImage( const osg::Image* img )
                     std::string encodedData;
                     e.encode((char*)img_itr.data(), img_itr.size(), encodedData);
                     // Each set of data is written into a separate string so we can
-                    // distiguish between main data and all mipmap levels, so writing
+                    // distinguish between main data and all mipmap levels, so writing
                     // mipmap size is not required for ASCII mode.
                     writeWrappedString(encodedData);
                 }
@@ -781,7 +781,7 @@ void OutputStream::start( OutputIterator* outIterator, OutputStream::WriteType t
         }
 
         // From SOVERSION 98, start to support binary begin/end brackets so we can easily ignore
-        // errors and unsupport classes, enabling the attribute bit
+        // errors and unsupported classes, enabling the attribute bit
         if ( _useRobustBinaryFormat )
         {
             outIterator->setSupportBinaryBrackets( true );

src/osgDB/Registry.cpp

@@ -434,7 +434,7 @@ Registry::Registry()
     addFileExtensionAlias("fnt",    "freetype");  // Windows bitmap fonts
     addFileExtensionAlias("text3d", "freetype"); // use 3D Font instead of 2D Font
 
-    // wont't add type1 and type2 until resolve extension collision with Performer binary and ascii files.
+    // won't add type1 and type2 until resolve extension collision with Performer binary and ascii files.
     // addFileExtensionAlias("pfb",   "freetype");  // type1 binary
     // addFileExtensionAlias("pfa",   "freetype");  // type2 ascii