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Appendix C ChangeLog

Changes from 0.60.7 to 0.68.8 (October 7, 2019)

  * Prevent a potentially unbounded buffer over-read by no longer supporting
    null-terminated UCS-2 and UCS-4 encoded strings with the original C API.
    See Upgrading from Aspell 0.60.7.
  * Ensure that possible typos are listed before other suggestions when typo
    analysis is used. Also fix a bug so that suggestions that split a word
    using a space or hyphen are not always first.
  * Add Markdown filter.
  * Add new wordlists option, which is a list of UTF-8 files that contain
    additional words to accept.
  * Add new camel-case option, which enables support for checking camelCase
    words.
  * Sort personal and replacement dictionaries.
  * Change ultra suggestion mode to only find words that are within one-edit
    distance or have the same soundslike.
  * Implement the aspell filter command.
  * Fix a bug in AspellDocumentChecker that prevented it from working with
    UCS-2 and UCS-4 encoded strings.
  * Remove unused sug-edit-dist option.
  * AspellDocumentChecker now expects the document a line at a time in order to
    work with the new Markdown filter. If the document is split on white space
    characters instead, nothing will break, but new filters such as the
    Markdown filter may give incorrect results.
  * The clean option and command will no longer split a word.
  * Various documentation improvements.
  * Removal of several outdated appendices that don't really belong in the main
    manual. Parts that are still relevent may eventually be moved elsewhere,
    but for now they are available online at http://aspell.net/0.60.7/man-html/
    .
  * Fix various crashes and other problems found by Google's OSS-Fuzz.

Changes from 0.60.6.1 to 0.60.7 (July 29, 2019)

  * Add partial support for recognizing the Unicode apostrophe (') in words. In
    particular Aspell will accept the Unicode apostrophe when the language uses
    an ISO Latin charset that doesn't already have a Unicode apostrophe. For
    now, Aspell will still use the ASCII version in suggestions.
  * Detect when a dictionary compiled on a 32-bit machine is used on a 64-bit
    one (and vise versa), as due to an oversight, compiled dictionaries depend
    on more than the endianness. Also added a compile time option to remove
    this dependency, but at the cost of breaking compatibility with already
    compiled dictionaries on 64-bit systems.
  * Fix a bug which caused Aspell to crash when passing in a null string to
    almost any of the C API functions. This should not happen if the size is
    also zero as the pointer should never be derefrenced.
  * Fix a bug that caused Aspell to crash with a SEGFAULT when built with
    mingw-w64.
  * In addition to outputting a warning when building with NDEBUG defined, also
    include NDEBUG in the version string.
  * Various compile fixes for newer version of Gcc and Clang.
  * Fix VPATH builds.
  * Use utf-8 encoding for manual instead of iso-8859-1.
  * Other minor updates and bug fixes.

Changes from 0.60.6 to 0.60.6.1 (July 4, 2011)

  * Update to Automake 1.10.3
  * Fix a bug which caused a race condition (leading to a likely crash) when
    two threads try to update the dictionary cache at the same time.
  * Make it very clear that compiling Aspell with NDEBUG is a bad idea (see
    http://aspell.net/ndebug.html) by outputting a warning when building with
    NDEBUG defined.
  * Numerous other minor updates and bug fixes.

Changes from 0.60.5 to 0.60.6 (April 16, 2007)

  * Compile fixes for Gcc 4.3.
  * Updated to Libtool 2.2.2 and Automake 1.10.1
  * Minor tweak to suggestion code which improved suggestion results in certain
    cases.
  * Always line buffer stdout and stderr in the Aspell utility when there is
    the potential for it to be used interactively through a pipe.
  * Removed debug output in 'aspell munch-list'.
  * Other minor updates and bug fixes.

Changes from 0.60.4 to 0.60.5 (December 18, 2006)

  * Compile fix for Gcc 4.1
  * Updated to Gettext 0.16.1, Libtool 1.5.22, Automake 1.10, Autoconf 2.61
  * Documentation improvements, including an updated man page.
  * Complain if more than one file is specified when checking files using the
    'aspell check' command, rather than ignoring the other files.
  * Large number of bug fixes.

Changes from 0.60.3 to 0.60.4 (October 19, 2005)

  * Fixed a bug that caused Aspell to crash when checking certain Russian
    words, this bug likely affected other languages as well.
  * Updated to Gettext 0.14.5 which is required for AMD64, also updated to to
    Libtool 1.5.20.
  * Fixed an alignment bug which caused mmap to always fail when reading in
    dictionaries.
  * Added note about how 'make clean' will remove the HTML manuals.
  * Added manual page for prezip-bin and enhanced word-list-compress manual
    page thanks to the work of Jose Da Silva.
  * Other minor updates and bug fixes.

Changes from 0.60.2 to 0.60.3 (June 28, 2005)

  * Fixed bugs involving several of the C API functions.
  * Fixed bug where 'ultra' or 'fast' mode would not return any suggestions
    when soundslike lookup was not used.
  * Made a minor, yet significant, optimization to the suggestion code. This
    sped things up by an order of magnitude in some cases.
  * Avoid using the slow ngram scan except when the sug-mode is 'slow' or
    'bad-speller'.
  * Fixed a bug in curses mode which caused word-wrap to not work correctly in
    some cases.
  * Fixed a bug in pipe mode with a missing newline.
  * Fixed the spell compatibility script.
  * Several other minor bugs fixed.
  * Made note about the change in behavior of the -l command line switch.
  * Other manual update/fixes.
  * Updated to Libtool 1.5.18, Automake 1.9.6, and Makeinfo 4.8.

Changes from 0.60.1 to 0.60.2 (December 18, 2004)

  * Added the munch-list command to the Aspell utility. The munch program in
    the myspell/ directory will disappear in Aspell 0.61. The munchlist script
    will also likely disappear or be replaced when Aspell 0.61 is released
    since it doesn't work correctly anyway.
  * Several important bug fixes some of which rendered some non-English
    languages unusable.
  * Other minor changes.

Changes from 0.60.1 to 0.60.1.1 (November 20, 2004)

  * Fix bug involving checking of capitalized word when affix compression is
    used.
  * Compile fixes.
  * Added an option to disable using the "wide" curses version in case it
    causes compile problems.
  * Minor manual updates
  * Avoided including some unnecessary files in the distribution.

Changes from 0.60 to 0.60.1 (November 7, 2004)

  * Lots of compile fixes for various platforms.
  * Miscellaneous bug fixes.
  * Added Nroff filter thanks to Sergey Poznyakoff.
  * The default filter mode when in pipe mode is now nroff for compatibility
    with Ispell.
  * Added Texinfo filter.
  * Added a section detailing the differences between Ispell and Aspell.
  * Updated the section on thread safety.
  * Other miscellaneous manual changes such as updating the To Do and Authors
    section.

Changes from 0.50.5 to 0.60 (August 27, 2004)

  * Added support for Affix Compression. Affix compression stores the root word
    and then a list of prefixes and suffixes that the word can take, and thus
    saves a lot of space. The codebase comes from MySpell found in OpenOffice.
    It uses the same affix file that OpenOffice (and Mozilla) use. Affix
    compression will even work with soundslike lookup to a limited extent.
  * Added support for accepting all input and printing all output in UTF-8 or
    some other encoding different from the one Aspell uses. This includes
    support for Unicode normalization. Aspell can now support any language with
    no more than 210 distinct characters, including different capitalizations
    and accents, even if there is not an existing 8-bit encoding that supports
    the language.
  * Added support for loadable filters and customizable filter modes thanks to
    Christoph Hinterm?ller.
  * Enhanced SGML filter to also support skipping sgml tags such as "script"
    blocks thanks to Tom Snyder.
  * Added gettext support thanks to Sergey Poznyakoff
  * Reworked the compiled dictionary format. Compiled dictionaries now take up
    less space (less than 80% for the English language) and creating them is
    significantly faster (over 4 times for the English language).
  * Reworked suggestion code. It is significantly faster when dealing with
    short words (up to 10 times). Also added support for MySpell Replacement
    Tables and n-gram lookup. In addition, added basic support for compound
    words.
  * Manual has has been converted to texinfo format thanks to the work of Chris
    Martin.
  * Reworked the build system so that a single Makefile is used for most of the
    code.
  * All data, by default, is now included in libdir/aspell-0.60. Also added a
    built time option to increment the major version number of the shared
    library. This should allow both Aspell version 0.50 and 0.60 to coexist.
    The major version number is not incremented by default as Aspell 0.60 is
    binary compatible with Aspell 0.50. See Binary Compatibility.
  * The code to handle dictionaries has been rewritten. Because of this support
    for the dictionary option strip-accents has been removed. In addition the
    ignore-accents option is currently unimplemented.
  * Lots of other minor changes due to massive overhaul of the source code.

Changes from 0.50.4.1 to 0.50.5 (Feb 10, 2004)

  * Reworked url filter which fixed several bugs and now accepts "bla.bla/
    kdkdl" as a url.
  * Fixed bug in which the url filter was coming before all other filters when
    it was supposed to come after. This solved a number of problems where the
    url filter was interfering with other filters.
  * Small bug fix in SGML filter.
  * Added code page charsets, ie cp125?.dat.
  * Added natural (split) keyboard data file as "split.kbd"
  * Compile fixes for the upcoming Gcc 3.4
  * Removed Solaris link hack as it was causing more problems than it fixes.
  * Compile fixes for Sun WorkShop 6 compiler, but there may still be some
    problems, especially with linking.
  * Included patch to help compile with Microsoft Visual C++ 6.
  * Minor manual fixes.
  * Updated the TODO section to reflect the current progress with the next
    major version of Aspell (0.51).
  * Updated to Autoconf 2.59, Automake 1.82, and Libtool 1.5.2.

Changes from 0.50.4 to 0.50.4.1 (Oct 11, 2003)

  * Fixed major bug in pipe mode which caused the last character to be chopped
    off words before they were stored.
  * Minor formating fixes in the manual.

Changes from 0.50.3 to 0.50.4 (Sep 26, 2003)

  * Minor changes in URL filter to avoid treating the double quote character as
    part of the URL, and to avoid treating words ending in more than one period
    as a URL.
  * Document fixes in Aspell API
  * Small compile fixes, including one for GCC 3.3
  * Updated Win32 section since a port now exists thanks to Thorsten Maerz.
  * Complain instead of doing nothing or aborting for unimplemented functions
    in Aspell utility.
  * Portability bug fixes.
  * Upgraded to Autoconf 2.57, Automake 1.7.7, Libtool 1.5 (no longer use CVS
    version of libtool).

Changes from 0.50.2 to 0.50.3 (Nov 23, 2002)

  * Hopefully fixed the Ispell alignment error problem when Aspell is used with
    ispell.el.
  * Fixed a problem with personal dictionaries on NFS mounted home directories.
  * Compiled libaspell-common directory into libaspell for now to avoid forcing
    applications to relink whenever a new Aspell version is out which was due
    to the use of the libtool '-release' flag.
  * Fixed Makefiles so that Aspell can be built outside the source tree (i.e.
    with VPATH).
  * Updated the section on compiling with Win32.
  * Updated to Autoconf 2.56.

Changes from 0.50.1 to 0.50.2 (Sep 28, 2002)

  * Fixed a number of bugs in Ispell compatibility mode
  * Fixed a number of bugs with the handling of replacement pairs
  * Other miscellaneous bug fixes
  * Additional Win32 portability fixes
  * Added the Ukrainian KOI8-U charset.

Changes from 0.50 to 0.50.1 (Aug 28, 2002)

  * A rather large number of portability fixes for non GNU/Linux platforms.
  * Fixed pkglibdir and pkgdatadir in configure.
  * Reintroduced some configure options from Aspell .33.7 included dict-dir,
    data-dir, curses, curses-include, win32-relocatable.
  * Fixed Aspell so it will now compile with -O3 when using gcc.
  * Updated note on Win32 support.
  * Other minor manual improvements.
  * Portability fixes in dictionary files
  * Official dictionary package for the Slovak language.

Changes from .33.7.1 to 0.50 (Aug 23, 2002)

  * A complete overhaul of the source code which included merging Pspell into
    Aspell.
  * Changed the way dictionaries and languages are handled.
  * Added Dvorak keymap.
  * Added the ability to list the available dictionaries
  * Improved the spell checking interface a bit.
  * Added support for using the Ispell keymapping when checking files.
  * Complete rewrite of the filter interface. It should now be fairly easy to
    add new filters to Aspell.
  * Added some preliminary developer documentation.
  * Lots of other changes due to the massive overhaul of the source code.

Changes from .33.7 to .33.7.1 (Aug 20, 2001)

  * Minor manual fixes.
  * Compile fix for Gcc 3.0 and Solaris.

Changes from .33.6.3 to .33.7 (Aug 2, 2001)

  * Updates to Autoconf 2.50 and switched to the HEAD branch of libtools.
  * Fixed a bug which caused Aspell to crash when typo-analysis was not used
    such as when sug-mode is fast or bad spellers.
  * Added support for typo-analysis even when a soundslike was not used.
  * Fixed a bug which causes extended charters to display incorrectly on some
    platforms
  * Compile fixes so that it will compile with Gcc 3.0.
  * Compile fixed which should allow Aspell to compile with Egcs 1.1. I have
    not been able to actually test it though. Please let me know at
    kevina@users.sourceforge.net if you have tried with Egcs 1.1.
  * Compile and configuration script fixes so that USE_FILE_INO will properly
    be defined and Aspell will compile correctly when it is defined.
  * More ANSI C++ compliance fixes.

Changes from .33.6.2 to .33.6.3 (June 3, 2001)

  * Fixed a build problem in the manual/ directory by including manual-text and
    manual-html in the distribution.

Changes from .33.6.1 to .33.6.2 (June 3, 2001)

  * Compile fix so that Aspell will work correctly when not installed in /usr/
    local.
  * Avoided regenerating the manual unless configured with
    enable-maintainer-mode.
  * Added the missing documentation files in the scowl directory.

Changes from .33.6 to .33.6.1 (May 29, 2001)

  * Fixed a formating problem with the manual involving <.
  * Added a note about creating pwli files.
  * Removed the space after between the -L and the directory name in the
    pspell-module/Makefile which caused problems on some platforms.
  * Added the configure option AM_MAINTAINER_MODE to avoid enabling rules which
    often causes generated build files to be rebuilt with the wrong version of
    Libtool by default. I don't know why I didn't think to do this a long time
    ago.

Changes from .33.5 to .33.6 (May 18, 2001)

  * Fixed a minor bug where some words would have random compound tags attached
    to them.
  * Fixed a compile problem on many platforms where fileno is defined as a
    macro.
  * Updated the description for a few of Aspell's options.
  * Removed the note of Aspell not being able to run when compiled with the
    upcoming Gcc 3.0 compiler as things seam to work now.
  * Added a note about Aspell not being able to compile with Egcs 1.1.
  * Added hack to deal with Libtool's interdependencies problem. See bug #
    416981 for Pspell for more info.

Changes from .33 to .33.5 (April 5, 2001)

  * dump master correctly detects which dictionary and language to use based on
    the LANG environment variable.
  * Fixed a problem on Win32 which involves path names that began with <Drive
    Letter>:.
  * Bug fixes and enhancements so that Aspell can once again run under MinGW.
    You can even use the new full screen interface if Aspell is compiled with
    PDCurses.
  * Some major modifications to make Aspell more C++ compliant in order to get
    Aspell to compile under the upcoming Gcc 3.0 compiler. This included only
    using STL features found in the standard version of C++. (Which means
    Aspell will no longer require using the SGI version of the STL) This should
    also make compiling C++ under non-gcc compilers a lot simpler. Please note
    that Aspell still has some problems with the upcoming Gcc 3.0 compiler.
  * Minor changes to remove some -Wall warnings.
  * Added a hack so that Aspell would properly compile as a shared library
    under Solaris.
  * Added a few important missing words to the English word list.

Changes from .32.6 to .33 (January 28, 2001)

  * Added a new new curses based interface to replace the dumb terminal
    interface everyone has been bitching about.
  * Added the ability to give higher priority to words such as "the" instead of
    "teh" which are likely to be due to typos.
  * Reorganized the manual so that it is hopefully easier to follow.
  * Ability to automatically select the best dictionary to use based on the
    setting of the LANG environment variable.
  * Expanded the medium dictionary size to include more words which included
    the original words found in Ispell and eliminated the large size for now.
  * Added three special variant add-on dictionaries.
  * Switched to the multi-language branch of the CVS version of libtool.

Changes from .32.5 to .32.6 (Nov 8, 2000)

  * Fixed a bug where Aspell would crash when reading-in accented characters on
    some platforms. This fixed bug # 112435.
  * Fixed some other bugs so that it will run under Win32 under CygWin.
    Unfortunately it still won't run properly under Mingw.
  * Fixed the mmap test in configure so that it won't fail on some platforms
    that use munmap(char *, int) instead of munmap(void *, int).
  * Upgraded to the latest CVS version of libtool which fixed the problem with
    using GNU Make under Solaris.
  * Added an option to copy files instead of using symbolic links for the
    special multi dictionary files.

Changes from .32.1 to .32.5 (August 18, 2000)

  * Changed my email from kevinatk at home com to kevina at users sourceforge
    net please make a note of the new email address.
  * Added an option to control if the personal replacement dictionary is saved
    when the save_all_wls method is called.
  * Brought back the ability to dump the master word list even in the case of
    the special multi lists.
  * Added a large number of hacker related words and some other slang terms to
    the medium size word list.
  * Added an ispell and spell compatibility script for systems which don't have
    Ispell installed. They are located in the scripts/ directory and are not
    installed by default.
  * Manual fixes.
  * Added a note on not using GNU Make on Solaris.

Changes from .32 to .32.1 (August 5, 2000)

  * Minor compile fixes for recent gcc snapshot.
  * Fixed naming of pwli files.
  * Fixed a bug when Aspell will crash when used with certain single letter
    flags. This bug was most noticeable when used with Emacs.
  * Word list changes, see SCOWL Readme.
  * Other miscellaneous changes.

Changes from .31.1 to .32 (July 23, 2000)

  * Added support for optionally doing without the soundslike data.
  * Greatly reduced the amount of memory used when creating word lists.
  * Added support for ignoring accents when coming up with suggestions.
  * Added support for local-data-dir which is searched before data-dir.
  * Added support for specifying which words may be used in compounds and where
    they may be used.
  * Added support for having more than one main word list as well as a special
    multi word list files which will allow multiple word lists to be treated as
    one.
  * Aspell now uses a completely new word list.
  * The apostrophe (') is no longer considered part of the word when it as at
    the end of the word such as in 'dogs''.

Changes from .31 to .31.1 (June 18, 2000)

  * Fixed a bug where Aspell would not create a complete dictionary file on
    some platforms when the data is 8-bit.
  * Added a workaround so Aspell will work with ispell.el 3.3.
  * Minor compile fixes so it would compile better with the very latest gcc
    (CVS Version).
  * Removed note about compiling in Win32 as I was now able to get it to work.

Changes from .30.1 to .31 (June 11, 2000)

  * Added support for spell checking run together words.
  * Added an option to produce a list of misspelled words from standard input.
  * More robust error reporting when reading in language data files.
  * Fixed a bug that would cause Aspell to crash if the special line was not
    defined in the language data file.
  * Updated Pspell Module.
  * Minor bug fixes.
  * Added cross references in "The Aspell Utility Chapter" for easier use.

Changes from .30 to .30.1 (April 29, 2000)

  * Ported Aspell to Win32 platforms.
  * Portability fixes which may help Aspell compile on other platforms.
  * Aspell will no longer fail if for some reason the mmap fails, instead it
    will just read the file in as normal and free the memory when done.
  * Minor changes in the format of the main word list as a result of the
    changes, the old format should still work in most cases.
  * Fixed a bug where Aspell was ignoring the extension of file names such as
    .html or .tex when checking files.
  * Fixed a bug where Aspell will go into an infinite loop when creating the
    main word list from a word list which has duplicates in it.
  * Minor changes to the manual for better clarity.

Changes from .29.1 to .30 (April 2, 2000)

  * Fixed many of the capitalization bugs found in previous versions of Aspell.
  * Changed the format of the main word list yet again.
  * Fixed a bug so that aspell check will work on the PowerPC.
  * Added ability to change configuration options in the middle of a session.
  * Added words from /usr/dict/words found on most Linux systems as well as a
    bunch of commonly used abbreviations to the word list.
  * Fixed a bug where Aspell would dump core after reporting certain errors
    when compiled with gcc 2.95 or higher. This involved reworking the
    Exception heritage to get around a bug in gcc 2.95.
  * Added a few more commands to the list of default commands the TeX filter
    knows about.
  * Aspell will now check if a word only contains valid characters before
    adding it to any dictionaries. This might mean that you have to manually
    delete a few words from your personal word list.
  * Added option to ignore case when checking a document.
  * Adjusted the parameters of the normal suggest mode to so that significantly
    less far fetched results are returned in cases such as tomatoe, which went
    from 100 suggestions down to 32, at the expense of getting slightly lower
    results (less than 1%),
  * Improved the edit distance algorithm for slightly faster results.
  * Removed the '$$m' command in pipe mode, you should now use '$$cs mode,mode'
    to set the mode and $$cr mode to find out the current mode.
  * Reworked parts of Aspell to use Pspell services to avoid duplicating code.
  * Added a module for the newly released Pspell. It will get installed with
    the rest of Aspell.
  * Miscellaneous other bug fixes.

Changes from .29 to .29.1 (Feb 18, 2000)

  * Improved the TeX filter so that it will accept '@' at the beginning of a
    command name and ignored trailing '*'s. It also now has better defaults for
    which parameters to skip.
  * Reworked the main dictionary so that it can be memory mapped in. This
    decreases startup time and allows multiple Aspell processes to use the same
    memory for the main word list. This also also made Aspell 64 bit clean so
    that it should work on an alpha now.
  * Fix so that Aspell could compile on platforms that gnu is not yet available
    for.
  * Fixed issue with flock so it would compile on FreeBSD.
  * Minor changes in the code to make it more C++ compliant although I am sure
    there will still be problems when using some other compiler other than gcc
    or egcs.
  * Added some comments to the header files to better document a few of the
    classes.

Changes from .28.3 to .29 (Feb 6, 2000)

  * Fixed a bug in the pipe mode with lines that start with '^$$'.
  * Added support for ignoring all words less than or equal to a specified
    length
  * New soundslike code based thanks to the contribution of Bj?rn Jacke. It now
    gets all of its data from a table making it easier for other people to add
    soundslike code for their native language. He also converted the metaphone
    algorithm to table form, eliminating the need for the old metaphone code.
  * Major redesign of the suggestion code for better results.
  * Changed the format of the personal word lists. In most cases it should be
    converted automatically.
  * Changed the format of the main word list.
  * Name space cleanup for more consistent naming. I now use name spaces which
    means that gcc 2.8.* and egcs 1.0.* will no longer cut it.
  * Used file locks when reading and saving the personal dictionaries so that
    it truly multiprocesses safely.
  * Added rudimentary filter support.
  * Reworked the configuration system once again. However, the changes to the
    end user who does not directly use my library should be minimal.
  * Rewrote my code that handles parsing command line parameters so that it no
    longer used popt as it was causing too many problems and didn't integrate
    well with my new configuration system.
  * Fixed pipe mode so that it will properly ignore lines starting with '~' for
    better Ispell compatibility.
  * Aspell now has a new home page at http://aspell.sourceforge.net/. Please
    make note of the new URL.
  * Miscellaneous manual fixes and clarifications.

Changes from .28.2.1 to .28.3 (Nov 20, 1999)

  * Fixed a bug that caused Aspell to crash when spell checking words over 60
    characters long.
  * Reworked aspell check so that
     1. You no longer have to hit enter when making a choice.
     2. It will now overwrite the original file instead of creating a new file.
        An optional backup can be made by using the -b option.
  * Fixed a few bugs in data.cc.

Changes from .28.2 to .28.2.1 (Aug 25, 1999)

  * Fixed the version number for the shared library.
  * Fixed a problem with undefined references when linking to the shared
    library.

Changes from .28.1 to .28.2 (Aug 25, 1999)

  * Fixed a bunch of bugs in the language and configuration classes.
  * Minor changes in the code so that it could compile with the new gcc 2.95
    (.1).
  * Changed the output of dump config so that default values are given the
    value <default>. This means that the output can be used to create a
    configuration file.
  * Added notes on using Aspell with VIM.

Changes from .28 to .28.1 (July 27, 1999)

  * Removed some debug output
  * Changed notes on compiling with gcc 2.8.* as I managed to get it to compile
    on my school account
  * Avoided including stdexcept in const_string.hh so that I could get Aspell
    to compile on my school account with gcc 2.8.1.

Changes from .27.2 to .28 (July 25, 1999)

  * Provided an iterator for the replacement classes.
  * Added support for dumping and creating and merging the personal and
    replacement word lists.
  * Changed the Aspell utility command line a bit, it now used popt.
  * Totally reworked Aspell configuration system. Now Aspell could get
    configuration from any of 5 sources: the command line, the environment
    variable ASPELL_CONF, the personal configuration file, the global
    configuration file, and finally the compiled-in defaults.
  * Totally reworked the language class in preparation for my new language
    code. See http://aspell.sourceforge.net/international/ for more information
    of what I have in store.
  * Added some options to the configure script: -enable-dict-dir=DIR,
    -enable-doc-dir=DIR, -enable-debug, and -enable-opt
  * Removed some old header files.
  * Reorganized the directory structure a bit
  * Made the text version of the manual pages slightly easier to read
  * Used the '\url' command for urls for better formating of the printed
    version.

Changes from .27.1 to .27.2 (Mar 1, 1999)

  * Fixed a major bug that caused Aspell to dump core when used without any
    arguments
  * Fixed another major bug that caused Aspell to do nothing when used in
    interactive mode.
  * Added an option to exit in Aspell's interactive mode.
  * Removed some old documentation files from the distribution.
  * Minor changes to the the section on using Aspell with egcs.
  * Minor changes to remove -Wall warnings.

Changes from .27 to .27.1 (Feb 24, 1999)

  * Fixed a minor compile problem.
  * Updated the section on using Aspell with egcs to it. It was now more clear
    why the patch was necessary.

Changes from .26.2 to .27 (Feb 22, 1999)

  * Totally reworked the C++ library which means you may need to change some
    things in your code.
  * Added support for detachable and multiple personal dictionaries in the C++
    class library.
  * The C++ class library now throws exceptions.
  * Reworked Aspell ability to learn from users misspellings a bit so that it
    now has a memory. For more information see Notes on Storing Replacement
    Pairs.
  * Upgraded autoconf to version 2.13 and automake to version 1.4 for better
    portability.
  * Fixed the configuration so the make dist will work. From now on Aspell will
    be distributed with make dist.
  * Added support to skip over URL's, email addresses and host names.
  * Added support for dumping the master and personal word list. You can now
    also merge a personal word list. Type aspell -help for help on using this
    feature.
  * Reorganized the source code.
  * Started using proper version numbers for the shared library.
  * Fixed a bug that caused Aspell to crash when adding certain replacement
    pairs.
  * Fixed the problem with duplicate lines when exiting pipe mode for good.

Changed from .26.1 to .26.2 (Jan 3, 1998)

  * Fixed another compile problem. Hopefully this time it will really compile
    OK on other peoples machines.

Changed from .26 to .26.1 (Jan 3, 1998)

  * Fixed a small compile problem in as_data.cc.

Changed from .25.1 to .26 (Jan 3, 1999)

  * Fixed a bug that caused duplicate items to be displayed in the suggestion
    list for good. (If it still does it please send me email.)
  * Added the ability for Aspell to learn form the users misspellings.
  * Library Interface changes. Still more to come ?.
  * Is now multiprocess safe. When a personal dictionary (or replacement list)
    is saved it will now first update the list against the dictionary on disk
    in case another process modified it.
  * Fixed the bug that caused duplicate output when used non interactively in
    pipe mode.
  * Dropped support for gcc 2.7.2 as the C++ compiler.
  * Updated the How Aspell Works (Aspell Suggestion Strategy.)
  * Added support for the ASPELL_DATA_DIR environment variable.

Changes from .25 to .25.1 (Dec 10, 1998)

  * Fixed the version number so that Aspell reports the correct version number.
  * Changed the note on gcc 2.7.2 compilers to make it clear that only the C++
    compiler cannot be gcc 2.7.2, it is OK if the C compiler is gcc 2.7.2.
  * Updated the TODO list and reorganized it a bit.
  * Fixed the directory so that all the documentation will get installed in $
    {prefix}/doc/aspell instead of half of it in ${prefix}/doc/aspell and half
    of it in ${prefix}/doc/kspell.

Changes from .24 to .25 (Nov 23, 1998)

  * Total rework of how the main word list is stored. Start up time decreased
    to about 1/3 of what it was in .24 and memory usage decreased to about 2/3.
    (When used with the provided word list on a Linux system).

    Also the format and default locations of the main word list data files
    changed in the process and the data is now machine dependent. The personal
    word list format, however, stayed the same.

  * Changed the scoring method to produce slightly better results with words
    like the vs. teh. And other simpler misspellings where two letters are
    swapped.
  * Fixed the very unpredictable behavior of the '*', '&', '@' commands in the
    pipe mode.
  * Added documentations for Aspell pipe mode (also known as 'ispell -a'
    compatibility mode)
  * Added a bunch of Aspell specific extensions to the pipe mode and documented
    them.
  * Documented the to_soundslike and soundslike methods for the aspell class.
  * Changed the scoring method to produce better results for words like fone vs
    phone and other words that have a spelling that doesn't directly relate to
    how the word sounds by using the phoneme equivalent of the word in the
    scoring of it.
  * Added the to_phoneme and have_phoneme methods to the SC_Language class.
  * Added the to_phoneme method to the aspell class.
  * Added the framework for being able to learn from the users misspelling.
    Right now it just keeps a log of replacements.
  * Redid stl_rope-30.diff. For some reason the version of patch on my system
    refused it.
  * Rewrite of the "Using as a replacement for Ispell" section and added the
    run-with-aspell utility as a replacement of the old method of mapping
    Ispell to Aspell.
  * Fixed a bug that caused duplicate words to appear in the suggestion list.

Changes from .23 to .24 (Nov 8, 1998)

  * Fixed my code so that it can once again compile with g++ 2.7.2.
  * Rewrote the How It Works chapter.
  * Rewrote the Requirement section and added notes on compiling with g++
    2.7.2.
  * Added a To Do chapter.
  * Added a Glossary and References chapter.
  * Other minor documentation improvements.
  * Internal code documentation improvements.

Changes from .22.1 to .23 (Oct 31, 1998)

  * Minor documentation fixes.
  * Changed the scoring strategy for words with 3 or less letters. This cut the
    number of words returned for these roughly in half.
  * Expanded the word list to also include american.0 and american.1 from the
    Ispell distribution. It now includes english.0, english.1, american.0 and
    american.1 from the directory languages/english provided with Ispell
    3.1.20.
  * Added a link to the location of the latest Ispell.el in the documentation.
  * Started a C interface and added some rough documentation for it.

Changes from .22 to .22.1 (Oct 27, 1998)

  * Minor bug fixes. I was deleting arrays with delete rather than delete[]. I
    was suprised that this had not created a problem.
  * Added a simple test program to test for a memory leak present on some
    systems. (Only debian slink at the moment.) See the file memleak-test.cc
    for more info.

Changes from .21 to .22 (Oct 26, 1998)

  * Major redesign of the scoring method. It now uses absolute distances rather
    than relative scores for more consistent results. See suggest.cc for more
    info.
  * Suggest code rewritten in several places, however the core process stayed
    the same.
  * The suggest_ultra method temporarily does nothing. It should be working
    again by the next release.

Changes from .20 to .21 (Oct 13, 1998)

  * Added documentation for aspell::Error
  * Changed the library name from libspell to libaspell. It should never have
    been libspell in the first place. Sorry for the incompatibility.
  * Added as_error.hh to the list of files copied to the include directory so
    that you can actually use the library outside of the source dir.
  * Fixed bug that caused a segmentation fault with words where the only
    suggestions was inserting a space or hyphen such as in ledgerline.
  * Added the score method to aspell.
  * Changed the scoring method to deal with word when the user uses "f" in
    place of "ph" a lot better.

Changes from .11 to .20 (Oct 10, 1998)

  * Name change. Everything that was Kspell is now Aspell. Sorry, the name
    Kspell was already used by KDE and I didn't want to cause any confusion.
  * Fixed a bug that causes a segmentation fault when the HOME environment
    variable doesn't exist.

Changes from .10 to .11 (Sep 12, 1998)

  * Overhaul of the SC_Language class
  * Added documentation for international support
  * Added documentation for the C++ library
  * Other minor bug fixes.

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