History
-----------------

20 December 2000: 3.1.2.4
        * Query language parser extended to correctly understand queries
	  like "(word1 & word2)(word3 & word4)"
	* A bug in query language parser has bee fixed. The word 'NOT'
	  has not been recognized as boolean 'not' operator.
        * "HLBeg" and "HLEnd" search.htm variable has been added.
	  By using it you can specify how to hilight the words founded.
	  HLBeg is prepended before the word. HLEnd is appended after 
	  the word. Defaults are "<b>" and "</b>" to comply with previous
	  versions.

04 November 2000: 3.1.2.3
        * A bug in mysql *multi modes has been fixed which caused incorrect
          wordsinfo generation.
	* New config.inc variable $lang_url_translation to enable
	  language files translation, for example url "path/file.en.ext"
	  will be translated into "path/file". This is suitable only when
	  using language content negotiation.

29  October 2000: 3.1.2.2
        * A bug with lost tags in navigator links has been fixed
	* A bug in boolean query language in OR queries  which 
	  appeared since 3.1.2.1 has been fixed.


28  October 2000: 3.1.2.1
        * Project name changed to mnoGoSearch-php. For details please
	  look at out site http://search.mnogo.ru
	* db_func API has been changed. Old function names are not
	  removed, but substituted by wrappers to new functions.
	  Since now db_func will be released as a separate product
	  called 'mnoGoSearch-db_func-php' also.
	* A bug in query language parser which can cause empty results
	  on queryes like 'mydomain.de' has been fixed
	* The ParseDocText has been extended to highlight stopwords also.
	* New config.inc variable '$highlight_stopwords' added to turn
	  on or off stopwords highlighting in the search results.
	* Query language parser extended to correctly understand queries
	  like "(word1 & word2) ~word3"
	* Query language parser extended to correctly understand queries
	  like "(word1 word2) word3" and "word3 (word1 word2)"
	* A bug with incorrect charset recoding with Russian Apache
	  has been fixed.
	* Navigator maker has been changed not to include params containing
	  default values to its hrefs. This makes query string much shorter.


14  October 2000: 3.1.2.0
        * Added ability to connect to MySQL and PostgreSQL
          through the local unix socket. To do that you shound
          leave dbhost field blank or set it to '_socket'.
          For example you can use this: DBAddr  mysql://udm:udm@/udm/        
	* Added language content negotiation feature. Thanks to 
          Craig Small <csmall@eye-net.com.au>. For details please
          refer to doc/negotiation.txt
        * $template_file variable moved from config.inc to
	  search.php to enable language content negotiation
	  and to use different search.php scripts with different
	  templates with the same .inc files.
	* Added initial soundex support. Thanks for an idea to 
	  artwells me@artwells.com. 
	* Added $SDX search template variable, which is substituted by 
	  soundex search suggestions. Useful in <!--notfound--> template
	  section. Examples can be found in default templates.
	* Added contrib directory to store additional tools and
	  scripts which extends UdmSearch-php features. Now it
	  contains soundex create scripts.
        * Fixed bug in get_dict_tab function which prevents 
	  using *dict32 tables at all.	
        * Changed package directory structure:
          added doc, samples and src directories containing
          some modified docs from udmsearch, template samples
          and sources accordingly.
        * GNU license added to package.


30  September 2000: 3.1.1.2
        * Added additional words info for mysql bases only in
          crc-multi and multi modes. Now it shows count of words
          in the database. Thanx to Alex Barkov for idea.
	* Fixed dropping temporary table bug while searching only
	  from stopword in *multi modes.
	* New $DY template variable to display current document category.	
	* New $rus_bool_lang config.inc variable. (Default - 'no').
	  If set to 'yes' the query language is enchanced with russian
	  equivalents of 'and','or','not'.
	* New $DE template variable. It displays description
	  when not empty and text overwise.
	* New $SearchTime template variable. It cannot be used in
	  'top' template sestion.
	* Default templates changed with examples with new variables


17  September 2000: 3.1.1.1
	* Default templates categories section changed to include hidden
	  input field with $cat value.
	* Boolean language parser changed to correctly work with queries
	  such as: "word1 ~word2".
	* Added new search restriction by language. Default templates are
	  changed with examples.
	* New search.php parameter $lang has beed added.
	* "$lang" template variable to display current url language
	  restriction.

  	Modified Matthew Sullivan <matthew@netscape.com> patches:

	* Debug info extended somewhere to include function names
	* Get over the rand() bug in PHP 4 (this may have been fixed
	  in PHP 4 Patch 1).
	* Remove query errors such as '(&' and '&|' operators.

02  September 2000: 3.1.1.0
	* Nested categories support has been added.
	* "$CP" template variable to display category path has been added.
	* "$CS" template variable to display current category subtree has
	  been added.
	* "cat" search.php parameter has been added to pass the category to
	  search through.
	* "$cat" template variable to display current category ID.
	* Default templates are extended with new features examples.
	* Changed grep usage in IspellMode text to quote regexp.
	* Extended $W (wordsinfo) capabilities to show all words that
	  we are looking for (useful when using ispell to see words
	  with their normal forms found)
	* Many small changes in init code, navigator maker and
	  database initialization errors reporting.


26  July 2000: 3.1.0.2
	* New advanced search options (time limits). You can search for
	  recent pages and so on the same as in udmsearch cgi frontend.
	* Fixed bug in query parser which prevented right search on
	  queries contained special symbols.
	* Tag restriction now tested with SQL LIKE operator now in
	  3.1+ db format. So you can use SQL metacharacters '_' and
	  '%' in search template to make search on group of tags.


22  July 2000: 3.1.0.1
	* Added code to speed up search.php in crc* modes
	  under php-4.0.1 and later by using native crc32 function.  
	  Php-4.0.1 and later determined automatically.
	* Now search.php don't print noquery template section while
	  executed without any arguments.


16  July 2000: 3.1.0.0 
	* This is a first release that support new udmsearch 3.1.x
	  database structure.
	* Added $db_format config.inc variable to switch between old
	  3.0 database and new.
	* If Last_Modified time of document is not known, then print
	  'undefined' in res template
	* Locale support extended to print localized date and time 
	  for Last_Modified id using new 3.1 database
	* Added Query tracking (same as in udmsearch 3.1.x) feature.
	  Also added TrackQuery config.inc variable to set default
	  value for TrackQuery and added TrackQuery template variable
	  to turn this feature on or off.
	* Fixed minor bug when query contains single quotes.
        * Added printing $g, $ul, $ue, $m, $o and $ps variables in
	  search template. Now you can place this variables anywhere
	  in template and it will be substituted with its current value.
	* $g template variable has been improved to support
    	  parameter $g(X). This displays a tag without X trailing
	  characters.
	* $pn template variable added (it is substituted by $ps*$np)


11  July 2000: 3.0.4.4 
	* Version numeration changed. Now two major version numbers
	  are the same as corresponding udmsearch major version number.
	  No changes in source code.


08  July 2000: 3.4.4 maintenance release
	* Corrected two deep serious bugs in ispell support.
	* Query parser changes to not filter rare national charset symbols.
	

25  June 2000: 3.4.3
	* Added and reniced ispell debug output
	* <!--noquery--> template section added. It's printed
	  if user makes an empty search.
        * <!--navleft_nop--> template section added. It's printed
	  in search navigator on the first page.
        * <!--navright_nop--> template section added. It's printed
	  in search navigator on the last page.
	* Minor changes in search navigator code.
	* Stopwords detection function optimized to cache previous 
	  calls results.  
	* Query maker changes to correct AND type queries, where
	  stopwords exists.  


10  June 2000: 3.4.2
	* $q template variable added to comply with udmsearch-3.0.18
	  This variable substituted with RFC-1738 encoded query. (Note
	  that $Q variable substituted by query as is).


10  June 2000: 3.4.1
	* Reworked ispell code to use classes. Now boring parallel
	  arrays are eliminated.
	* Changed exit routines to minimize "exit" calls.
	  Now you can use search routines in other script
	  by doing PHP inslude('search.php') syntax. Thanx
	  to many users who suggested this feature.


29  May 2000: 3.4
	* search.php proved to be Microsoft Windows compatible
	* ODBC mode added for all supported SQL backends
	  (MySQL,Oracle 7 and 8, PostgreSQL)


25  May 2000: 3.3.8.stable
	* This is the first stable release of PHP frontend.
	
	* $DEFAULT_QUERY_TYPE variable added to config.inc to
	  specify default query type (if no boolean operators found)
	* Added <select name="m"> ... in search template and 
	  $m template handler variable (such as in search.cgi) to
	  specify default query type in template. This option
	  has higher priority than $DEFAULT_QUERY_TYPE.
	* Bugfixes in boolean language parser


20  May 2000: 3.3.7.RC1
	* This is the primarily bugfix release intended to be
	  stable RC1. If there will be no bugs found in the
	  near future it will be renamed to 3.3.8 stable version.
	  
	* Changes in query language:
	  1. "and" query operator now can be specified as "&",
	     "and", or "" (in russian)
	  2. "or" query operator now can be specified as "|",
	     "or", or "" (in russian)
	  3. "not" query operator now can be specified as "~",
	     "not", "without" or "","" (in russian)
	     
	* Bugfix in navigator with output format $o variable
	* Search template and template functions extended to 
	  support resstricted search by tag.
	* Added RFC-1738 compatible url parameters encoding and 
	  decoding where it is needed.  
	* Added stopwords reporting in wordsinfo ($W template 
	  variable).    	  
	* Changed default templates <!--notfound--> section to
	  show stopwords information when query pduce no results.    	    


14  May 2000: 3.3.6
	* Bugfix in query maker with stopwords


13  May 2000: 3.3.5
	* Light optimizations in queries sent to backend
	* Bugfix in crc-multi mode with oracle backend
	

12  May 2000: 3.3.4
	* Speed optimizations in ispell support
	* Bugfixes with capital letters both in ispell mode and 
	  without ispell support
	* Added new config variable in config.inc: "LC_ALL" to
	  hardcode locale settings. If you want to get locale 
	  settings from environment, then you sould not define it.
	* Some fixes in locale support


03  May 2000: 3.3.3
	* Bugfixes with error messages reporting
	

03  May 2000: 3.3.2
	* Fixed bug with dropping temporary tables.
	* configuration part of search.php3 moved to config.inc file
	* intitialization part of search.php3 moved to init.inc file
	* common functions part of search.php3 moved to common.inc file


03  May 2000: 3.3.1
	* Fixed bug with ispell support in DB mode.


29  April 2000: 3.3 
        * Many major changes in query maker. Please use this version
	  carefully because of it is not fully tested yet. 
	* Added "crc-multi" storage mode support for all supported backends.
	* Added "multi" storage mode support for mysql backend.
	* in "*multi" modes with mysql 3.23.02 and newer search.php3 
	  tries to use native TEMPORARY tables.
	* Some bugfixes in query maker.
	* Some bugfixes with working with temporary tables.
	

26  April 2000: 3.2.7
	* "DBAddr" template variable has been added. 
	One may configure all database parameters at once:
	"DBAddr mysql://user:passwd@hostname:port/database_name/".
	Old style DBType, DBUser, DBPass, DBHost, DBPort, DBName commands
	still supported, but can be removed in the next releases.
	

19  April 2000: 3.2.6

	* Fixed bug with false clone url detection
	* Added httpres and ftpres template sections to show
	  different result formats according to url protocol.
	  If ftpres or httpres not defined then res section will
	  be used by default.


17  April 2000: 3.2.5

	* Added "Clones yes/no" variable in search template.
	  Default is "yes".  


16  April 2000: 3.2.4

	* Added output format $o variable in template.
	  Now you can specify different output formats for your
	  query by choosig appropiate option in listbox.
	

12  April 2000: 3.2.3

	* Changed template parsing functions. 
	

11  April 2000: 3.2.2

	* Added found words highlighting by <b></b> html tags. 
	* Changed default query type from "OR" to "AND". This means that
	if user make query with several words separated by spaces
	then script assumes "AND" query logic.
	* Fixed bug if someone makes query consisting of stopwords.


9  April 2000: 3.2.1

	* Added $IF(filename.ext) template macro. This macro replaces
	itself with the specified file.


8  April 2000: 3.2

	* Added "crc" storage mode support. This mode allows to reduce
	required disc space as well as speed up search.


5  April 2000: 3.1.2

	* Added Oracle7 backend support both in single and multidict mode
	  ( used patch from Roman V. Petrov poma@mail.ru )

7  March 2000: 3.1.1

	* Added ispell support (plain text files mode). 

3  March 2000: 3.1

	* Added ispell support (database mode). 

23 February 2000: 3.0.2

	* Added <ue> template variable. This is an url exclusion string. 
	  Makes script to search only urls, which don't contain this string.
	* Several bug fixes and minor optimizations.


17 February 2000: 3.0.1

	* PostgreSQL backend support both in single and multidict mode
	* Several bug fixes.

05 February 2000: 3.0.0
        * First public release