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lout 3.25-1
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Changes and new features introduced in Version 3.04

    Bug fixes
    Underlining
    Small capitals now work properly
    More flexible reference formatting setup file options
    List items and displays now break across page boundaries
    Quick reference guide (Appendix A, User's Guide)
    Version of @Eq that uses TeX's fonts
    Numbered list items can be tagged and referred to using @NumberOf
    Multi-paragraph figure captions and multi-page figures
    Various micro changes to @Eq to improve appearance
    Merged index entries, and better guidance on how to make an index
    DOS portability (I hope), still working on Mac portability
    Eiffel programming language printing
    Multi-word tags and sorting keys permitted
    Margin notes
    `Bypass' symbols (fewer passes for computer-generated Lout source)
    Arbitrary chapter heading and part heading layouts
    Viewers like GhostView now show real page numbers
    @Sup and @Sub symbols (similar to sup and sub in equations)
    Slovenian language
    ANSI C (getting closer and closer...)
    @IncludeGraphic will now accept a compressed file e.g. filename.eps.gz
    @Verbatim { ... } like in LaTeX.
 
Changes and new features introduced in Version 3.05

    Bug fixes
    ANSI C (getting very very close...)
    Removed call to system("sort"), which was causing porting problems
    Optional list of tables and list of figures in books
    More options and setup file options for fine-tuning tables and figures
    Package for printing bar codes (see software directory)
    Moved initialization of non-English error message files into makefile

Changes and new features introduced in Version 3.06

    Bug fixes
    Czech
    Plain text manual pages for people without troff

Changes and new features introduced in Version 3.07

    Bug fixes
    @URL field added to references
    @LongFootNote, @LongEndNote, @LongCaption stupidity removed
    Matrices and delimiters in equations improved
    Captions to figures and tables may be above or below
    Theorems, definitions, claims, propositions, lemmas, corollaries, examples
    Words like "Chapter" and "Theorem" may be changed by the user
    Numbered displays have been re-implemented and are much improved
    @RightDisplay symbol
    @F symbol added as synonym for { Courier Base -1p } @Font ...
    Ability to set simple document options in the command line
    Horizontal galleys (for expert users)
    Drop capitals (large capitals in top left corner of paragraph)
    Optimal body text breaking (makes large in-line displays more practical)
    More flexible control of the format of chapter, section etc. headings
    Option for starting chapters etc. on any, odd, or even pages
    Command line option -S for safe execution (prohibits calls to system())
    Symbols for up to three independent indexes at the end of each document
    References work now when the citation point is after the reference list
    Placement of objects at arbitrary points on the page
    Reference lists may be before or after appendices
    Choice of nine locations for figures and tables (page top, foot, etc.)
    Numbering of footnotes works properly in all unusual cases now
    Database index files created afresh automatically if system has stat()
    Choice of rules for spaces between words (like Lout, troff, or TeX)
    Spacing in equations (both eq and teq) further improved
    Kerning of accented characters deduced from corresponding unaccented ones
    @NotRevealed symbol (for expert users)
    Another, hopefully better attempt made at Latin-2 formatting

Changes and new features introduced in Version 3.08

    Bug fixes

Changes and new features introduced in Version 3.09

    Bug fixes
    French hyphenation
    foll_or_prec works in all cases now, not just galleys (for expert users)
    @Enclose symbol (for expert users)
    Multi-page figures and tables can be boxed (revised @Format option)
    Optimal paragraph breaker has been tuned to discourage widow words,
      and to hyphenate more paragraphs but use fewer hyphens when it does
    More consistent set of setup files since all now derived from one master
    Setup files "doc" and "report" now work with plain text output
    Unpaginated (continuous) plain text output
    @FirstChapterNumber, @FirstSectionNumber etc. options in setup file
    Alternative error message format (filename:linenum:colnum: ...)
    Newline no longer needed at end of file
    New diagram drawing package called Diag (replaces Fig):
      many new link types; trees; labelled nodes and links; many useful options
    New "oragged" paragraph breaking style, combines ragged and outdent
    Comprehensive usage message printed by "lout -u"
    Horizontal spacing of subscripts in equations (both eq and teq) improved

Changes and new features introduced in Version 3.10

    Bug fixes
    @StructPageNums option for pages numbered by section
    Dot between section (etc.) numbers and title made optional
    Updated version of lout.teq (TeX-style equation formatter)
    EvenPageTop and EvenFullPage figure and table locations
    @Graph options for plotting values in decreasing order
    References may cite other references now (bug fix)
    Installation option for making "lout -S" the default behaviour
    @E symbol added alongside @Eq as synonym for @OneCol @Eq
    New language EnglishUK which is like English but with UK hyphenation rules
    @AnotherFootNote symbol for consecutive footnotes on one word
    LOUTLIB env variable determines library directory at run time if set
    Lots of arrow symbols added to eq and teq
    Paragraph gaps may have "u" suffix, meaning unbreakable (for expert users)

Changes and new features introduced in Version 3.11

    Bug fixes
    Sorting collation sequence may be locale-specific if desired
    Changed paragraph breaker, no longer calls the notorious CorrectOversize
    Word count feature (see manual entry, -w)
    Italian language
    Fix for the long-standing bug in database file reading on DOS-like systems

Changes and new features introduced in Version 3.12

    Bug fixes
    @CurrFamily and @CurrFace symbols similar to @CurrLang (for expert users)
    @II symbol for getting italics right in headings and tables of contents
    @Graph now has rticks option for ticks on right-hand side of frame
    PDF (Adobe Portable Document Format) back end (command line flag -Z)
    Latin2 and Russian are now part of the main Lout distribution
    Changed license from GNU General Public License Version 1 to Version 2

Changes and new features introduced in Version 3.13 [released February 1999]

    Bug fixes
    Gaps between galley components may have "u" (unbreakable) suffix, meaning
      that the galley may not be broken at this gap (for expert users)
    @StartHSpan, @StartVSpan, @StartHVSpan, @HSpan, @VSpan (spanning cols, rows)
    unbreakablefirst @Break and unbreakablelast @Break (stops widows, orphans)
    named parameters may import their parent, like body parameters (expert)
    definitions and named parameters may have multiple names (expert)
    @OneOf symbol chooses result that contains desired galley target (expert)
    @HLimited, @VLimited symbols for further control over use of space (expert)
    @ListInterruptItem and @ListNewPage: interrupts, page breaks between items
    @Verbatim symbol now built-in, so no longer limited to Unix
    @RawVerbatim like @Verbatim but preserves initial spaces on first line
    0rt gap for left justification of the preceding object (expert)
    @Background symbol for printing one object in the background of another
    Maximum depth of @Includes increased from 7 to 10
    New table formatting package, see User's Guide (old one is still there)
    New @Meld symbol for better melding of index entries (expert)
    Option to @FootNote for choosing your own footnote label
    Optional full-width abstracts in technical reports
    Hungarian language including Hungarian-specific heading formats

    *** IMPORTANT: TWO CHANGES THAT ARE NOT UPWARDLY COMPATIBLE ***

    (1)  The @Abstract symbol in technical reports now comes before the
	 // symbol, not after it.  See User's Guide for details.

    (2)  Setup file arrangements have changed.  You now need to have one
	 @SysInclude line for each package you use.  For example,

	    Previous versions           Version 3.13
	    ---------------------------------------------

	    @SysInclude { eq }          @SysInclude { eq }
	    @SysInclude { ddoc }        @SysInclude { diag }
				        @SysInclude { doc }

         Import clauses in mydefs files also have to change:

	    Previous versions           Version 3.13
	    ---------------------------------------------

            import @DocumentLayout      import @BasicSetup
	    import @CPrint              import @CPSetup
	    import @DiagramPrint        import @DiagSetup

         Sorry for the inconvenience, but the old system was inconsistent
	 and was tending towards an unsustainable combinatorial explosion
	 of setup files.  No changes *within* documents are needed, and
	 these new arrangements do not affect the content of the packages.
	 The user's guide documents it all.

Changes and new features introduced in Version 3.14 [released March 1999]

    Bug fixes
    "lout -PDF" now available as alternative to "lout -Z"
    Cross referencing list items yields just the raw item number now

Changes and new features introduced in Version 3.15 [May 1999]

    Bug fixes
    @FootNoteFormat option for controlling format of footnotes
    @TheoremFormat option for controlling format of theorems (etc.)
    @ListOuterGap setup file option for space before and after lists
    Standardized and improved "slides" package, incl. new setup file options
      (NB please send me @Word&&lecture and @Word&&overhead in your language)
    Faster database reading (uses more memory though); prevent with -M
    @DoubleLine symbol in diagrams for drawing a double line
    -l and -L flags for selecting collation order (see lout -u)

Changes and new features introduced in Version 3.16 [28 May 1999]

    Bug fixes
    Optimal paragraph breaking weights adjusted yet again (sigh)

Changes and new features introduced in Version 3.17 [13 September 1999]

    Bug fixes
    @AtEnd option for @Book and @Report (unnumbered back cover page)
    @Abbreviations symbol in books (like @Introduction but for abbreviations)
    @Euro symbol added for getting a European Currency symbol
    Document OBJECT struct declaration in externs.h (for gurus only)

Changes and new features introduced in Version 3.18 [26 February 2000]

    Bug fixes (more than usual, somehow)
    New @CurrYUnit and @CurrZUnit symbols (expert users)
    @Diag enhancement:  node types, similar to row types in @Tbl
    @Diag enhancement:  new features for drawing syntax diagrams
    Portuguese (thanks to Jose Roberto B. de A. Monteiro)
    Slight change to @Tbl spec (affects aligned columns)
    Replaced c2lout with prg2lout (computer program formatting)
    @Outline symbol for printing words in outline rather than filled
    A few extra @Eq symbols:  filledcircle, small, trieq

Changes and new features introduced in Version 3.19 [9 March 2000]

    Bug fixes
    Four @HeaderComponent symbols for running headers (expert users)
    Running headers in multi-page tables
    Running headers in indexes
    Two extra @Eq symbols:  triangleup, triangledown

Changes and new features introduced in Version 3.20 [8 April 2000]

    Bug fixes (including the internal error that was dumping core recently)
    Multi-line style changes (@I, @Colour etc.) now work in lines @Break mode
    @Perl symbol for Perl programming language formatting (includes Pod)

Changes and new features introduced in Version 3.21 [10 May 2000]

    Bug fixes (including an old problem of bits lost from programs in tables)
    Refinements to @Perl symbol for Perl programming language formatting
    Program texts can now be formatted with line numbers added
    -V now tells about PDF compression and whether debug output is available
    "Page body margins" for indenting of page body wrt headers and footers
    Margin notes code updated to work as desired with the new page body margins
    @PageEnclose symbol generalizes @PageBox (enclose each page in anything)
    Robustness wrt Linux strcoll() improved (tab characters no longer compared)
    "Abstract" word in tech reports now centred again by default
    Lout now builds composite characters - see Expert's Guide, under @Font

    *** IMPORTANT: ONE CHANGE THAT IS NOT UPWARDLY COMPATIBLE ***

    If you are using your own setup file, then it is likely to contain the
    line "@SysInclude { fontdefs }".  There is no longer a fontdefs file,
    there is now a fontdefs database, so you need to replace this line with
    "@SysDatabase @FontDef { fontdefs }".

Changes and new features introduced in Version 3.22 [3 June 2000]

    Bug fixes
    More setup file options for controlling the appearance of reports
    Makefile now explicitly explains how to compile with debugging on/off
    Added quotesinglebase, quotedblbase, ellipsis to LtLatin2.LCM file
    Object-oriented back end (of interest to implementors only)
    Chapters without page breaks option (see @ChapterStartPages, User's Guide)
    Font includes all in page setups now (of interest to implementors only)

Changes and new features introduced in Version 3.23 [24 June 2000]

    Bug fixes, including Uwe's fix of the nasty bug reported by Matej Cepl,
      and my fix of a table running headers bug reported by Matthew Neumann.
    Cross links (see User's Guide, Cross References and Links section)
    New symbols for expert users: @LinkSource and @LinkDest
    @Python symbol for typesetting Python programs using prg2lout.

Changes and new features introduced in Version 3.24 [8 October 2000]

    Bug fixes, including a new and better fix for table running headers bugs

Changes and new features introduced in Version 3.25 [December 2001]

    Bug fixes
    Finnish additions
    Croatian, Slovakian, Upper Sorbian
    Outdent is now settable e.g. { setoutdent 0.3f } @Break object
    @InitialOutdent options for initializing outdent value
    Updated barcodes package to work with recent Lout versions (@FontDef)
    "downifneeded @Scale" like "{} @Scale" but will only scale down, not up
    @F symbol yields a settable font, no longer hardwired to Courier
    @TitleOf symbol e.g. "@TitleOf azaleas" similar to "@NumberOf azaleas"
    @IndexText option to @Book etc., allows text just below Index title
    References may be printed in order of first citation
    New @Diag link types: @HVHLine, @HVHCurve, @VHVLine, @VHVCurve
    "baselinemark @Font" option (mark along baseline rather than half x height)
    @IncludeGraphicRepeated symbol: less output when EPS included repeatedly
    Arbitrary colours in @Colour, @Tbl, @Diag, and @Graph, done consistently
    Size of small caps can be set now e.g. "{ setsmallcaps 0.8 } @Font ..."
    Got rid of boxes around links when PostScript converted to PDF
    Revised end of sentence handling for some languages
    Symbols for embedding clickable URLs into PostScript output

    I've decided not to maintain the PDF back end, but I will try to ensure
    that Lout's PostScript output works with PostScript-to-PDF converters.

Things that ought to be done but haven't been done yet

    Fix bug in table running headers code
    Fix bug in hyphenation across pages of some unusual kinds of list items
    Fix bug in index header placement when there are multiple indexes
    Column-width footnotes in full-width pages.

Jeff Kingston
21 October 2000