Created a branch from trunk

[SVN r38959]

src/cmdline.cpp

@@ -290,8 +290,8 @@ namespace boost { namespace program_options { namespace detail {
 
         // First check that the option is valid, and get its description.
         // TODO: case-sensitivity.
-        const option_description* xd = m_desc->find_nothrow(opt.string_key, 
-                (m_style & allow_guessing) ? true : false);
+        const option_description* xd = 
+            m_desc->find_nothrow(opt.string_key, (m_style & allow_guessing));
 
         if (!xd)
         {
@@ -470,8 +470,7 @@ namespace boost { namespace program_options { namespace detail {
              ((m_style & allow_slash_for_short) && tok[0] == '/')))            
         {
             if (m_desc->find_nothrow(tok.substr(1, tok.find('=')-1), 
-                                     (m_style & allow_guessing) ? true : false)) 
-            {
+                                     m_style & allow_guessing)) {
                 args[0].insert(0, "-");
                 if (args[0][1] == '/')
                     args[0][1] = '-';

src/options_description.cpp

@@ -408,7 +408,7 @@ namespace boost { namespace program_options {
                         {                 
                             // is last_space within the second half ot the 
                             // current line
-                            if ((unsigned)distance(last_space, line_end) < 
+                            if (unsigned(distance(last_space, line_end)) < 
                                 (line_length - indent) / 2)
                             {
                                 line_end = last_space;