Merge branch 'develop'

# Conflicts:
#	doc/html/boost_regex/background.html
#	doc/html/boost_regex/background/acknowledgements.html
#	doc/html/boost_regex/background/examples.html
#	doc/html/boost_regex/background/faq.html
#	doc/html/boost_regex/background/futher.html
#	doc/html/boost_regex/background/headers.html
#	doc/html/boost_regex/background/history.html
#	doc/html/boost_regex/background/locale.html
#	doc/html/boost_regex/background/performance.html
#	doc/html/boost_regex/background/performance/section_id1378460593.html
#	doc/html/boost_regex/background/performance/section_id1675827111.html
#	doc/html/boost_regex/background/performance/section_id3141719723.html
#	doc/html/boost_regex/background/performance/section_id3258595385.html
#	doc/html/boost_regex/background/performance/section_id3261825021.html
#	doc/html/boost_regex/background/performance/section_id3752650613.html
#	doc/html/boost_regex/background/performance/section_id4128344975.html
#	doc/html/boost_regex/background/performance/section_id4148872883.html
#	doc/html/boost_regex/background/redist.html
#	doc/html/boost_regex/background/standards.html
#	doc/html/boost_regex/background/thread_safety.html
#	doc/html/boost_regex/captures.html
#	doc/html/boost_regex/configuration.html
#	doc/html/boost_regex/configuration/algorithm.html
#	doc/html/boost_regex/configuration/compiler.html
#	doc/html/boost_regex/configuration/linkage.html
#	doc/html/boost_regex/configuration/locale.html
#	doc/html/boost_regex/configuration/tuning.html
#	doc/html/boost_regex/format.html
#	doc/html/boost_regex/format/boost_format_syntax.html
#	doc/html/boost_regex/format/perl_format.html
#	doc/html/boost_regex/format/sed_format.html
#	doc/html/boost_regex/install.html
#	doc/html/boost_regex/intro.html
#	doc/html/boost_regex/partial_matches.html
#	doc/html/boost_regex/ref.html
#	doc/html/boost_regex/ref/bad_expression.html
#	doc/html/boost_regex/ref/basic_regex.html
#	doc/html/boost_regex/ref/concepts.html
#	doc/html/boost_regex/ref/concepts/charT_concept.html
#	doc/html/boost_regex/ref/concepts/iterator_concepts.html
#	doc/html/boost_regex/ref/concepts/traits_concept.html
#	doc/html/boost_regex/ref/deprecated.html
#	doc/html/boost_regex/ref/deprecated/old_regex.html
#	doc/html/boost_regex/ref/deprecated/regex_format.html
#	doc/html/boost_regex/ref/deprecated/regex_grep.html
#	doc/html/boost_regex/ref/deprecated/regex_split.html
#	doc/html/boost_regex/ref/error_type.html
#	doc/html/boost_regex/ref/internals.html
#	doc/html/boost_regex/ref/internals/uni_iter.html
#	doc/html/boost_regex/ref/match_flag_type.html
#	doc/html/boost_regex/ref/match_results.html
#	doc/html/boost_regex/ref/non_std_strings.html
#	doc/html/boost_regex/ref/non_std_strings/icu.html
#	doc/html/boost_regex/ref/non_std_strings/icu/intro.html
#	doc/html/boost_regex/ref/non_std_strings/icu/unicode_algo.html
#	doc/html/boost_regex/ref/non_std_strings/icu/unicode_iter.html
#	doc/html/boost_regex/ref/non_std_strings/icu/unicode_types.html
#	doc/html/boost_regex/ref/non_std_strings/mfc_strings.html
#	doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_algo.html
#	doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_intro.html
#	doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_iter.html
#	doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_regex_create.html
#	doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_regex_types.html
#	doc/html/boost_regex/ref/posix.html
#	doc/html/boost_regex/ref/regex_iterator.html
#	doc/html/boost_regex/ref/regex_match.html
#	doc/html/boost_regex/ref/regex_replace.html
#	doc/html/boost_regex/ref/regex_search.html
#	doc/html/boost_regex/ref/regex_token_iterator.html
#	doc/html/boost_regex/ref/regex_traits.html
#	doc/html/boost_regex/ref/sub_match.html
#	doc/html/boost_regex/ref/syntax_option_type.html
#	doc/html/boost_regex/ref/syntax_option_type/syntax_option_type_basic.html
#	doc/html/boost_regex/ref/syntax_option_type/syntax_option_type_extended.html
#	doc/html/boost_regex/ref/syntax_option_type/syntax_option_type_literal.html
#	doc/html/boost_regex/ref/syntax_option_type/syntax_option_type_overview.html
#	doc/html/boost_regex/ref/syntax_option_type/syntax_option_type_perl.html
#	doc/html/boost_regex/ref/syntax_option_type/syntax_option_type_synopsis.html
#	doc/html/boost_regex/syntax.html
#	doc/html/boost_regex/syntax/basic_extended.html
#	doc/html/boost_regex/syntax/basic_syntax.html
#	doc/html/boost_regex/syntax/character_classes.html
#	doc/html/boost_regex/syntax/character_classes/optional_char_class_names.html
#	doc/html/boost_regex/syntax/character_classes/std_char_classes.html
#	doc/html/boost_regex/syntax/collating_names.html
#	doc/html/boost_regex/syntax/collating_names/digraphs.html
#	doc/html/boost_regex/syntax/collating_names/named_unicode.html
#	doc/html/boost_regex/syntax/collating_names/posix_symbolic_names.html
#	doc/html/boost_regex/syntax/leftmost_longest_rule.html
#	doc/html/boost_regex/syntax/perl_syntax.html
#	doc/html/boost_regex/unicode.html
#	doc/html/index.html

test/de_fuzz/corpus/0334845542326f79e3fafbe94969c6b369f004bc

@@ -1 +0,0 @@
-
Z(((((((a+)+)+)+)+)+)+)+|Y(((((((a+)+)+)+)+)+)+)+|X(((((((a+)+)+)+)+)+)+)+|W(((((((a+)+)+)+)+)+)+)+|V(((((((a+)+)+)+)+)+)+)+|CZ(((((((a+)+)+)+)+)+)+)+|CY(((((((a+)+)+)+)+)+)+;+|CX(((((((a+)+)+)+)+)+)+)+|CW(((((((a+)+)+)+)+)+)+)+|CV(((((((a+)+)+)+)+)+)+)+|(a+)+b)

test/de_fuzz/corpus/07284125555baeddc03d1a3637df0ccbcab9d5fb

@@ -1 +0,0 @@
-
Z(((((((a+)+)+)+)+<2B><><EFBFBD><EFBFBD>)+|Y(((((((a+)+)+)+)+)++)+)|X(((((((a+)+)+)+)+)+)+)+|W((<28><>(((a+)+)+)+)+)+)+)+;|V((()++)+)+|CW(((((((a+)+)+)+((((a+)+)+)+)+)+)+)+|CZ(((((((a+)+)+)+)+)+)+)+|CY(((((((a+)+)+)+)+)+)+)+|CX(((((((a+)+)+)+)+)+)+)+|CW(((((((a+)+)+)+)+)+)+)+|CV,((((((a+)+)+)+)+)+)+)+|(a+)+bc

test/de_fuzz/corpus/09ddbffe27633f26351167c38ef10a942862462f

@@ -1 +0,0 @@
-8^\l*(?:((.<2E>*?)\W*(?1)\<5C>*\2[abc]|	|((.)\)W*(?1)\W*\4|\ZZZZZZZZZZZZZZZZZZZZZZ<1B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\pd\)W*(?1)\W*\4|\ZZZZZZZZZZZZZZZZZZZZZZ<1B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><1B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\pd<1B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><1B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\pdquick brown )ox																		

test/de_fuzz/corpus/0b7e65a2f97ea6135e0c46e75494a6dc0302192a

@@ -1,73 +0,0 @@
-'<27>  (?: [\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
-\)  )*                          # optional leading comment
-(?:    (?:
-[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
-(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
-|
-" (?:                      # opening quote...
-[^\\\x80-\xff\n\015"]                #   Anything except backslash and quote
-|                     #    or
-\\ [^\x80-\xff]           #   Escaped something (something != CR)
-)* "  # closing quote
-)                    # initial word
-(?:  (?: [\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
-\)  )*  \.  (?: [\040\t] |  \(\x80-\xff]+    # some number of atom characters...
-(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
-|
-" (?:                      # opening quote...
-[^\\\x80-\xff\n\015"]                #   Anything except backslash and quote
-|                     #    or
-\\ [^\x80-\xff]           #   Escaped something (something != CR)
-)* "  # closing quote
-)                    # initial word
-(?:  (?: [\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
-\)  )*  \.  (?: [\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
-\)  )*   (?:
-[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
-(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
-|
-" (?:                      # opening quote...
-[^\\\x80-\xff\n\015"]                #   Anything except backslash and quote
-|                     #    or
-\\ [^\x80-\xff]           #   Escaped something (something != CR)
-)* "  # closing quote
-)  )* # further okay, if led by a period
-(?: (\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
-\)  )*  @  (?: [\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
-\)  )*    (?:
-[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
-(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
-|   \[                         # [
-(?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
-\]                        #           ]
-)                           # initial subdomain
-(?:                                  #
-(?: [\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
-\)  )*  \.                        # if led by a period...
-(?: [\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
-\)  )*   (?:
-[^(\04<30>)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
-(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
-|   \[                         # [
-(?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
-\]                        #           ]
-)                     #   ...further okay
-)*
-#       address spec
-(?: [\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  ^  | \\[\x80-\xff]  )* \)  )*
-\)  )*  > #                  trailing >
-# name and address
-)  (?: [\040\t] |  \(
-(?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
-\)  )*                       # optional trailing comment
-
-<user@dom.ain>