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The B<tfirst> routine only, is under the MIT license as "TitleCase".

L<http://www.opensource.org/licenses/mit-license.php>

=back

=cut

__END__

######################## Perl Cheat Sheet #########################
#  CONTEXTS  SIGILS  ref        ARRAYS        HASHES
#  void      $scalar SCALAR     @array        %hash
#  scalar    @array  ARRAY      @array[0, 2]  @hash{'a', 'b'}
#  list      %hash   HASH       $array[0]     $hash{'a'}
#            &sub    CODE
#            *glob   GLOB       SCALAR VALUES
#                    FORMAT     number, string, ref, glob, undef
#  REFERENCES
#  \      reference       $$foo[1]       aka $foo->[1]
#  $@%&*  dereference     $$foo{bar}     aka $foo->{bar}
#  []     anon. arrayref  ${$$foo[1]}[2] aka $foo->[1]->[2]
#  {}     anon. hashref   ${$$foo[1]}[2] aka $foo->[1][2]
#  \()    list of refs
#                         SYNTAX
#  OPERATOR PRECEDENCE    foreach (LIST) { }     for (a;b;c) { }
#  ->                     while   (e) { }        until (e)   { }
#  ++ --                  if      (e) { } elsif (e) { } else { }
#  **                     unless  (e) { } elsif (e) { } else { }
#  ! ~ \ u+ u-            given   (e) { when (e) {} default {} }
#  =~ !~
#  * / % x                 NUMBERS vs STRINGS  FALSE vs TRUE
#  + - .                   =          =        undef, "", 0, "0"
#  << >>                   +          .        anything else
#  named uops              == !=      eq ne
#  < > <= >= lt gt le ge   < > <= >=  lt gt le ge
#  == != <=> eq ne cmp ~~  <=>        cmp
#  &
#  | ^             REGEX MODIFIERS       REGEX METACHARS
#  &&              /i case insensitive   ^      string begin
#  || //           /m line based ^$      $      str end (bfr \n)
#  .. ...          /s . includes \n      +      one or more
#  ?:              /x /xx ign. wh.space  *      zero or more
#  = += last goto  /p preserve           ?      zero or one
#  , =>            /a ASCII    /aa safe  {3,7}  repeat in range
#  list ops        /l locale   /d  dual  |      alternation
#  not             /u Unicode            []     character class
#  and             /e evaluate /ee rpts  \b     boundary
#  or xor          /g global             \z     string end
#                  /o compile pat once   (p)    capture
#  DEBUG                                 (?:p)  no capture
#  -MO=Deparse     REGEX CHARCLASSES     (?#t)  comment
#  -MO=Terse       .   [^\n]             (?=p)  ZW pos ahead
#  -D##            \s  whitespace        (?!p)  ZW neg ahead
#  -d:Trace        \w  word chars        (?<=p) ZW pos behind \K
#                  \d  digits            (?<!p) ZW neg behind
#  CONFIGURATION   \pP named property    (?>p)  no backtrack
#  perl -V:ivsize  \h  horiz.wh.space    (?|p|p)branch reset
#                  \R  linebreak         (?<n>p)named capture
#                  \S \W \D \H negate    \g{n}  ref to named cap
#                                        \K     keep left part
#  FUNCTION RETURN LISTS
#  stat      localtime    caller         SPECIAL VARIABLES
#   0 dev    0 second      0 package     $_    default variable
#   1 ino    1 minute      1 filename    $0    program name
#   2 mode   2 hour        2 line        $/    input separator
#   3 nlink  3 day         3 subroutine  $\    output separator
#   4 uid    4 month-1     4 hasargs     $|    autoflush
#   5 gid    5 year-1900   5 wantarray   $!    sys/libcall error
#   6 rdev   6 weekday     6 evaltext    $@    eval error
#   7 size   7 yearday     7 is_require  $$    process ID
#   8 atime  8 is_dst      8 hints       $.    line number
#   9 mtime                9 bitmask     @ARGV command line args
#  10 ctime               10 hinthash    @INC  include paths
#  11 blksz               3..10 only     @_    subroutine args
#  12 blcks               with EXPR      %ENV  environment
###################################################################