Merge branch 'develop' of https://github.com/boostorg/regex into develop

doc/html/boost_regex/syntax/perl_syntax.html

@@ -578,12 +578,12 @@
 <tr>
 <td>
                 <p>
-                  <code class="literal"><br> </code>
+                  <code class="literal">\n</code>
                 </p>
               </td>
 <td>
                 <p>
-                  <code class="literal"><br> </code>
+                  <code class="literal">\n</code>
                 </p>
               </td>
 </tr>

doc/syntax_perl.qbk

@@ -299,24 +299,24 @@ The following escape sequences are all synonyms for single characters:
 
 [table
 [[Escape][Character]]
-[[[^\a]][[^\a]]]
+[[[^\\a]][[^\\a]]]
-[[[^\e]][[^0x1B]]]
+[[[^\\e]][[^0x1B]]]
-[[[^\f]][[^\f]]]
+[[[^\\f]][[^\\f]]]
-[[[^\n]][[^\n]]]
+[[[^\\n]][[^\\n]]]
-[[[^\r]][[^\r]]]
+[[[^\\r]][[^\\r]]]
-[[[^\t]][[^\t]]]
+[[[^\\t]][[^\\t]]]
-[[[^\v]][[^\v]]]
+[[[^\\v]][[^\\v]]]
-[[[^\b]][[^\b] (but only inside a character class declaration).]]
+[[[^\\b]][[^\\b] (but only inside a character class declaration).]]
-[[[^\cX]][An ASCII escape sequence - the character whose code point is X % 32]]
+[[[^\\cX]][An ASCII escape sequence - the character whose code point is X % 32]]
-[[[^\xdd]][A hexadecimal escape sequence - matches the single character whose 
+[[[^\\xdd]][A hexadecimal escape sequence - matches the single character whose 
       code point is 0xdd.]]
-[[[^\x{dddd}]][A hexadecimal escape sequence - matches the single character whose 
+[[[^\\x{dddd}]][A hexadecimal escape sequence - matches the single character whose 
       code point is 0xdddd.]]
-[[[^\0ddd]][An octal escape sequence - matches the single character whose 
+[[[^\\0ddd]][An octal escape sequence - matches the single character whose 
    code point is 0ddd.]]
-[[[^\N{name}]][Matches the single character which has the 
+[[[^\\N{name}]][Matches the single character which has the 
       [link boost_regex.syntax.collating_names symbolic name] /name/.  
-      For example [^\N{newline}] matches the single character \\n.]]
+      For example [^\\N{newline}] matches the single character \\n.]]
 ]      
  
 [h5 "Single character" character classes:]

example/snippets/regex_grep_example_3.cpp

@@ -89,6 +89,11 @@ void class_index::IndexClasses(const std::string& file)
             start,
             end,
             expression);
+#elif defined(BOOST_NO_CXX98_BINDERS)
+   boost::regex_grep(std::bind(&class_index::grep_callback, this, std::placeholders::_1),
+            start,
+            end,
+            expression);
 #else
    boost::regex_grep(std::bind1st(std::mem_fun(&class_index::grep_callback), this),
             start,

include/boost/regex/v4/basic_regex_creator.hpp

@@ -43,8 +43,8 @@ namespace BOOST_REGEX_DETAIL_NS{
 template <class charT>
 struct digraph : public std::pair<charT, charT>
 {
-   digraph() : std::pair<charT, charT>(0, 0){}
+   digraph() : std::pair<charT, charT>(charT(0), charT(0)){}
-   digraph(charT c1) : std::pair<charT, charT>(c1, 0){}
+   digraph(charT c1) : std::pair<charT, charT>(c1, charT(0)){}
    digraph(charT c1, charT c2) : std::pair<charT, charT>(c1, c2)
    {}
    digraph(const digraph<charT>& d) : std::pair<charT, charT>(d.first, d.second){}

src/icu.cpp

@@ -430,7 +430,11 @@ icu_regex_traits::char_class_type icu_regex_traits::lookup_classname(const char_
 icu_regex_traits::string_type icu_regex_traits::lookup_collatename(const char_type* p1, const char_type* p2) const
 {
    string_type result;
+#ifdef BOOST_NO_CXX98_BINDERS
+   if(std::find_if(p1, p2, std::bind(std::greater< ::UChar32>(), std::placeholders::_1, 0x7f)) == p2)
+#else
    if(std::find_if(p1, p2, std::bind2nd(std::greater< ::UChar32>(), 0x7f)) == p2)
+#endif
    {
 #ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
       std::string s(p1, p2);