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A bit more XHTML-related documentation. This is just a start.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32990 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck
parent
acc5af9912
commit
b753d5244f
@ -1,5 +1,5 @@
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#LyX 2.0.0svn created this file. For more info see http://www.lyx.org/
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\lyxformat 374
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\lyxformat 376
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\begin_document
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\begin_header
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\textclass scrbook
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@ -51,6 +51,7 @@ logicalmkup
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theorems-ams
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theorems-ams-extended
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\end_modules
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\maintain_unincluded_children false
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\begin_local_layout
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Format 7
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InsetLayout CharStyle:MenuItem
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@ -191,20 +192,29 @@ User's Guide
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\emph default
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is already quite lengthy, and it contains information on all of the basic
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features one needs to know in order to prepare most documents.
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However, the LyX Team has worked to LyX extensible through various configuratio
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n files and external packages.
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However, the LyX Team has worked to make LyX extensible through various
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configuration files and external packages.
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That means that if you want to support the Fizzwizzle LaTeX package, you
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can create a layout file (or module) for it without having to alter LyX
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itself.
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We've already had contributions of several new features this way.
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This is the place where all of those get documented.
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We've already had contributions of several new features this way, and some
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of them are documented here.
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There are also some more `advanced' features, such as how to control the
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presentation of bibliographies and how to work with multi-part documents,
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that are not covered in the
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\emph on
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User's Guide
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\emph default
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and are discussed here.
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\end_layout
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\begin_layout Standard
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This manual also documents some special features, like fax support, version
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control, and SGML support, which require additional software to work properly.
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Lastly, there's a chapter of LaTeX tools and tips, things you can use to
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spruce up your documents by directly using the powerful features of LaTeX.
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There is also a chapter on LyX's support for HTML.
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And lastly, there's a chapter of LaTeX tools and tips, things you can use
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to spruce up your documents by directly using the powerful features of
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LaTeX.
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After all, LyX
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\emph on
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is
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@ -232,7 +242,7 @@ User's Guide
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\end_layout
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\begin_layout Standard
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Since all the topics in this manual depend heavily on LyX's interaction
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Since many of the topics in this manual depend heavily on LyX's interaction
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with LaTeX, this first chapter covers the inner workings of LyX and how
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to direct LyX to generate exactly the LaTeX code you want.
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It is obviously for more seasoned LyX users.
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@ -2098,7 +2108,8 @@ Customizing Bibliographies with BibTeX
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\end_layout
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\begin_layout Standard
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The basics how to use BibTeX are explained in section
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The most basic information about how to use BibTeX with LyX is contained
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in the section
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\emph on
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Bibliography databases (BibTeX)
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\emph default
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@ -4116,6 +4127,352 @@ savelabelitemi}
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\end_layout
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\begin_layout Chapter
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LyX and the World Wide Web
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\end_layout
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\begin_layout Standard
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LyX has long supported the export of documents to various web-friendly formats,
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such as HTML.
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Before verson 1.7, however, HTML export was always accomplished by the use
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of external converters.
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\begin_inset Foot
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status collapsed
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\begin_layout Plain Layout
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For details on the use of external converters with LyX, see the
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\size normal
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\emph on
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Converters
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\emph default
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section of the Customization manual.
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\end_layout
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\end_inset
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These fall into two large groups: there are converters that use LaTeX as
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an intermediate format, such as
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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htlatex
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\end_layout
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\end_inset
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,
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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html2latex
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\end_layout
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\end_inset
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, and
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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plastex
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\end_layout
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\end_inset
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, relying upon LyX to produce the LaTeX; and there is a converter that works
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directly on LyX files,
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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eLyXer
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\end_layout
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\end_inset
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.
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All of these have different advantages and disadvantages.
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\end_layout
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\begin_layout Standard
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The LaTeX-based converters have the advantage that, in principle, they know
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everything about the exported document that LaTeX does.
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Such converters do not care, for example, if a certain block of code was
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produced by LyX or was Evil Red Text.
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They know about
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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aux
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\end_layout
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\end_inset
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files, counters, and references, and can often make use of the
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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bbl
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\end_layout
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\end_inset
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files generated by BibTeX.
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On the other hand, LaTeX is a very hard language to parse---it is sometimes
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said that only TeX itself understands TeX---and LaTeX-based converters
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will often choke on what seem to be quite simple constructs; complex ones
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can throw them completely, and as of this writing, for example, the
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\emph on
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Embedded Objects
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\emph default
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manual will not export with
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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htlatex
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\end_layout
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\end_inset
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, though the others will.
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The other issue concerns how math is handled.
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These converters typically convert the formulae into little pictures that
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are then linked from the HTML document.
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Since these are actually generated by LaTeX, they are accurate.
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But they do not scale well, and just getting them to look as if they are
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actually meant to be in your document---so that the font sizes seem to
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be roughly the same---can be a challenge.
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\end_layout
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\begin_layout Standard
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Alex Fernandez's
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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eLyXer
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\end_layout
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\end_inset
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solves some of these problems.
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In particular, its rendering of math tends to look better than
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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htlatex
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\end_layout
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\end_inset
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's, at least in simpler cases, since it renders math using a neat combination
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of HTML and CSS rather than converting the formulae to images.
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But more complex formula tend to be rendered less well than with
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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htlatex
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\end_layout
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\end_inset
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, since there is no reasonable way of scaling parentheses in HTML, for example.
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More importantly (as of version 0.39, at least),
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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eLyXer
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\end_layout
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\end_inset
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has no support for math macros, for user-defined paragraph or character
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styles, or for tables of contents and figures.
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These limitations make
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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eLyXer
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\end_layout
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\end_inset
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unsuitable for many of the documents more advanced LyX users would produce.
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In principle, of course, all of these problems could be solved, but the
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LyX developers have decided to follow a different path and made LyX itself
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capable of writing XHTML, just as it is capable of writing LaTeX, DocBook,
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and plaintext.
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\end_layout
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\begin_layout Standard
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As of this writing, XHTML output remains under development and should probably
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be regarded as
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\begin_inset Quotes eld
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\end_inset
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experimental
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\begin_inset Quotes erd
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\end_inset
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.
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\begin_inset Foot
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status collapsed
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\begin_layout Plain Layout
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The file
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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development/HTML.notes
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\end_layout
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\end_inset
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, which can be found in the LyX source tree or
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\begin_inset CommandInset href
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LatexCommand href
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name "accessed online"
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target "http://www.lyx.org/trac/browser/lyx-devel/trunk/development/HTML/HTML.notes"
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\end_inset
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, usually contains up-to-date information about the state of XHTML output.
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\end_layout
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\end_inset
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Still, the developers have chosen this approach because it has several
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potential advantages over the other two.
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\end_layout
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\begin_layout Standard
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These advantages are primarily due to the fact that the XHTML output routines,
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since they are part of LyX, know everything LyX knows about the document
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being exported.
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\begin_inset Foot
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status collapsed
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\begin_layout Plain Layout
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Another advantege is that, since these routines are internal to LyX, they
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are immune to changes in LyX's file format, or to changes in the semantics
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of existing insets.
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\end_layout
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\end_inset
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So they know about the table of contents (as displayed in the Outline),
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about the counters associated with different paragraph styles, and about
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user-defined styles.
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The XHTML output routines know what LyX knows about internationalization,
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too, so they will output
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\begin_inset Quotes eld
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\end_inset
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Chaper 1
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\begin_inset Quotes erd
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\end_inset
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or
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\begin_inset Quotes eld
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\end_inset
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\lang ngerman
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Kapitel
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\lang english
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1
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\begin_inset Quotes erd
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\end_inset
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, depending upon the language in effect at the time.
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\end_layout
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\begin_layout Standard
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Quite generally, the output routines know everything LyX knows about document
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layout, that is, about the document is to be rendered on screen.
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We can use this information when we output the document as XHTML.
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In particular, LyX
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\emph on
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automatically
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\emph default
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generates CSS style information corresponding to the layout information
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it uses to render the document on screen: if section headings are supposed
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to be sans-serif and bold as seen in LyX, then (by default) they will be
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sans-serif and bold when viewed in a web browser, too.
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And this is true not just for pre-defined styles, like Section, but for
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any style, including user-defined styles.
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Indeed, the XHTML output routines make no distinction between user-defined
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paragraph and character styles and LyX's own pre-defined styles: in each
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case, everything LyX knows about the styles is contained in the layout
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files.
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And much the same is true as regards pre-defined textual insets, such as
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footnotes, and custom versions.
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\end_layout
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\begin_layout Standard
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The result is that XHTML output can be customized and extended in
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\emph on
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exactly
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\emph default
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the same way LaTeX output can be customized and extended: through layout
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files and modules.
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See chapter five of the
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\emph on
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Customization
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\emph default
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manual for the details.
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\end_layout
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\begin_layout Standard
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As for math, LyX renders math using MathML.
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This has advantages and disadvantages.
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The advantage is that MathML is a dialect of XML designed specifically
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for mathematics on the web, and it typically renders very well in browsers
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that support it.
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The first disadvantage is that not all browsers support MathML, and support
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is not complete even in the Gecko-based browsers, such as Firefox.
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A second disadvantage, as compared to rendering math by images, is that
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LyX can only output MathML for LaTeX constructs that it knows about, which
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means that the use of ERT in math---e.g., the command
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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\backslash
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BGassert
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\end_layout
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\end_inset
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from the
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\begin_inset Flex CharStyle:Code
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status collapsed
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\begin_layout Plain Layout
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begriff.sty
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\end_layout
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\end_inset
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package---will produce nothing helpful.
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Eventually, therefore, LyX will offer the user the option to use MathML
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or images, and it will offer this choice on a case by case basis.
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\end_layout
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\begin_layout Chapter
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The LyX Server
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\end_layout
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@ -1,5 +1,5 @@
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#LyX 2.0.0svn created this file. For more info see http://www.lyx.org/
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\lyxformat 375
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\lyxformat 376
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\begin_document
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\begin_header
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\textclass scrbook
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@ -56,6 +56,7 @@
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\end_preamble
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\options intoc,bibtotoc,idxtotoc,BCOR7mm,tablecaptionabove
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\use_default_options false
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\maintain_unincluded_children false
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\language english
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\inputencoding auto
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\fontencoding global
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@ -122,7 +123,7 @@
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\papercolumns 1
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\papersides 2
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\paperpagestyle default
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\tracking_changes true
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\tracking_changes false
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\output_changes false
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\html_use_mathml true
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\html_be_strict true
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@ -13052,20 +13053,14 @@ pdftex
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dvipdfm
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\family default
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is no longer under development and therefore a bit outdated.
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\change_inserted 1 1262887469
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\end_layout
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\begin_layout Subsubsection
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\change_inserted 1 1262887469
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XHTML
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\begin_inset Index idx
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status collapsed
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\begin_layout Plain Layout
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\change_inserted 1 1262887469
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FileFormats! XHTML
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\end_layout
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@ -13076,8 +13071,6 @@ FileFormats! XHTML
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status collapsed
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\begin_layout Plain Layout
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\change_inserted 1 1262887469
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HTML
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\end_layout
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@ -13087,8 +13080,6 @@ HTML
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\end_layout
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||||
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||||
\begin_layout Standard
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\change_inserted 1 1262888147
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This file type has the extension
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\begin_inset Quotes eld
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\end_inset
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||||
@ -13106,28 +13097,36 @@ This file type has the extension
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||||
It does not itself contain images and the like but only links them, and
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||||
when LyX produces XHTML, it also generates corresponding images in formats
|
||||
suitable for the purpose.
|
||||
\end_layout
|
||||
|
||||
\begin_layout Standard
|
||||
|
||||
\change_inserted 1 1262888092
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||||
As of this writing, LyX's `native' XHTML output remains somewhat `experimental',
|
||||
and not all LyX features work properly.
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||||
It is our hope, however, that native output will solve many of the problems
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||||
users have encountered when using third-party LyX- or LaTeX-to-HTML converters.
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||||
\end_layout
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||||
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||||
\begin_layout Standard
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||||
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||||
\change_inserted 1 1262888116
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Math is output as MathML, which renders nicely in browsers that support
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||||
Math is output as MathML, which renders nicely in browsers that support
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||||
it, but not all do.
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Eventually, we will offer the option of instead outputing math as images.
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\end_layout
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\begin_layout Standard
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XHTML output remains
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\begin_inset Quotes eld
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\end_inset
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\change_inserted 1 1262888178
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under development
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||||
\begin_inset Quotes erd
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||||
\end_inset
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||||
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||||
, and not all LyX features are supported yet.
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||||
See the chapter
|
||||
\begin_inset Quotes eld
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||||
\end_inset
|
||||
|
||||
LyX and the World Wide Web
|
||||
\begin_inset Quotes erd
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||||
\end_inset
|
||||
|
||||
, in the
|
||||
\emph on
|
||||
Additional Features
|
||||
\emph default
|
||||
manual, for more information.
|
||||
\end_layout
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||||
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||||
\begin_layout Standard
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||||
You can export your document as an XHTML file using the menu item
|
||||
\family sans
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File\SpecialChar \menuseparator
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@ -13135,8 +13134,6 @@ Export\SpecialChar \menuseparator
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||||
LyXHTML
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||||
\family default
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||||
.
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\change_unchanged
|
||||
|
||||
\end_layout
|
||||
|
||||
\begin_layout Subsection
|
||||
|
||||
Loading…
Reference in New Issue
Block a user