skf - simple kanji filter

This is patch 24 of skf-1.99 series.

skf (1.99.24) unstable; urgency=low

• [skf:39695] make localedir option effective

• [skf:39836] support behaviour change in ruby2.7

• fix: make oldincludedir/docdir option effective

• fix: add support ruby2.8, python 3.9 to configure

skf (1.99.23) unstable; urgency=medium

• security fix punycode or uri as ic crashes

• fix some codes does not decode correctly in rot mode

skf (1.99.22) unstable; urgency=medium

• [skf:39111] fix: man directory setting through configure.

• fix: -r with SJIS-in does not work.

• fix: --set option with separate arguments error handling bug.

• fix: out_codeset display in debug mode does not work

• fix: rot char in be-in deleted from stream due to wrong bound check.

skf (1.99.21) unstable; urgency=medium

• fix: inquiry reports UTF-32 as UTF-16

• New japanese era support.

skf (1.99.20) unstable; urgency=medium

• [skf:38570] do not treat LWL "8-bit binary" as codeset.

• don't bite arguments after --

• add -t option for nkf compatibility

• undocumented nkf behavior support: -L0, -g0-2

• re-enable -n option for nkf-compatibility

• security hungup fixed if file open failed in in-place option.

• security fix crash in in-place option.

• fix codeset inquiry in in-place option.

• tries to unlink temporal file when in-place rename failed.

• retain input files when suffix is added in --in-place, overwrite

skf (1.99.19) unstable; urgency=medium

• fix: keis strout doesn't convert ascii strings to EBCDICs
• fix: ebcdic force-lineend changed to NEL
• fix: inquiry output code control. fixes to force ASCII
• fix: B-right/V strout doesn't convert ascii strings to EBCDICs
• fix: punycode with idn prohibit char causes character drop.
• fix: similar bug in hz & zW EOF handling.

• fix: disable MIME cp932 related cname.

• Security fix clashes related space-convert
• fix: convert-html-uri does not work.

skf (1.99.18) unstable; urgency=medium

• fix: set-lang doesn't work.
• fix: cname containing '.' isn't recognized.
• fix: rfc1554 iso-2022-jp-2-kr doesn't work.
• fix: euc-jp-ms etc. get wrong codeset
• fix: crash on bright/v output with html-sanitize
• fix: zW related bug, mingw related bug
• fix: koi-8, cp1251 output doesn't work.
• fix: backport dynamic loading enable-patch on msys.

skf (1.99.17) unstable; urgency=high

• security unicode decomposition crash fixed.
• --set-g* crashes if following string is not charset
• fix: "--" option does not work
• fix: skferr table report.
• security fix crash in U+1f1xx conversion.
• security fix sjis-oldntt crashes in private area
• fix: nkf_no_hk couldn't reset from command line.
• fix: some option doesn't work for racing.
• fix: convert-html-uri does not work.
• fix: latin2html output without encode redirection.
• fix: halfwidth valiant mime width correction.
• fix: cns11463 single shift2 fails.
• fix: cannot return to iso-2022 from unicode.
• fix: [skf:37767] configure portability fix.

skf (1.99.16) unstable; urgency=medium

• fix octal encoding output wrong code on tail.
• fix to suppress MIME encoding on transparent mode
• fix X-0213 reverse table
• nkf-compat hankaku output condition incompatibility fixed.
• added cp65001 as UTF-8 alias.
• fix B-Right/V output
• fix zW output

skf (1.99.15) UNRELEASED; urgency=medium

• fix: some duplicate option big assigns fixed.
• suppress some codeset for MIME use
• fix: iso-2022-jp-2-2004 doesn't show in MIME
• hack: cp50221,50222 private area output supporessed

skf (1.99.14) UNRELEASED; urgency=medium

skf (1.99.13) experimental; urgency=low

• fix: backport fix of 2.00.6
• fix: mapping of cp1253 fixed.

skf (1.99.12) experimental; urgency=low

• fix: mingw need binmode in file I/O
• fix: add reset to hard-inquiry
• fix: add checks for malloc failure
• fix: various LWL related bugs.
• fix: debian control file dirs points an inproper location.
• fix: name(suffix) of shared library in MINGW/CYGWIN environment.
• fix: nkf-compatmode UTF-32 output does not work due to typo.
• fix: MIME canonical name for UTF-16 is not correct.

skf (1.99.11) experimental; urgency=low

• fix winsami and iscii table definition.
• change osdn.jp to osdn.jp

skf (1.99.10) experimental; urgency=low

• fix -X meant -x in skf-compatible mode
• Security fix s_in crashes due to inproper G0 table handling
• fix python detection on cygwin mode

skf (1.99.9) experimental; urgency=low

• fix nkf compatible mode applied on inappropriate situation
• fix k_in setting is ignored
• fix "ansel" doesn't properly defined
• fix document incorrectly declared UTF-16 as little endian.

skf (1.99.8) experimental; urgency=low

• fix ruby 2.1.0 support on cygwin broken
• fix -shared flag not set on ruby 2.1.0

skf (1.99.7) experimental; urgency=low

• ruby 2.1.0 support
• fix bug in MIME encoding under early_mime_out mode
• further nkf-compatibility
• trim some terminal sequence sweep behaviors
• UnicodeData undated to 6.3
• fix nkf compatible option --cp932 behavior
• fix some bugs

skf (1.99.6) experimental; urgency=low

• fix python configuration under cygwin environment
• fix typo in ruby code

skf (1.99.5) experimental; urgency=low

• Fix x-0213 unicode mapping
• further nkf-compatibility
• fix utf-16 code detection is escaping too early.
• support UTF-32 input

skf (1.99.4) experimental; urgency=high

• fix heap corruption due to in-place suffix handling error
• nkf inappropriate codeset handling compatibility

skf (1.99.3) experimental; urgency=high

• fix skfoFILE definition
• fix ruby 2.0.0 header file inclusion
• fix unexpected non-registered codeset name use

skf (1.99.2) experimental; urgency=low

• fix ruby header search fails on cygwin
• fix tcl header not properly searched
• fix MinGW compilation
• ruby 2.0 support
• fix type conflict on output side

skf (1.99.1) experimental; urgency=low

• fix wrong initialization for BIG5-UAO table