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LyX files are just plain text files but with the extension .lyx. Backup LyX files are exactly the same, but with the extension .lyx~. You only have to rename a copy of that file to have the extension .lyx. E.g.: mywork.lyx~ to myhope.lyx.
Note that filename extensions are by default hidden in Windows. Therefore, be sure that you rename really the file to ...
1
Use pandoc to convert latex to HTML output.
Math rendering in HTML by default will use Unicode characters when possible, but you can use the --mathjax option to use MathJax to display embedded TeX math in HTML output, or alternatively some other, these are the list of options to math rendering:
--mathjax
--mathml
--webtex
--katex
--gladtex
See the ...
1
you can use \colorbox to do it (you will need the \usepackage{color} in your LaTeX Preamble to use this). To do so you need to follow this pattern:
\colorbox{<colorname>}{text or math}
in order to do this quickly you can use this shortcut (works for hebrew but you can change the langue to your convenience):
command-sequence ert-insert; self-insert \...
1
With document class scrbook you can use \frontmatter and \mainmatter and \chapter for unnumbered chapters in front matter.
Example:
\documentclass{scrbook}
\usepackage{lipsum}% only for dummy text
\begin{document}
\frontmatter
\tableofcontents
\chapter{Preface}
\lipsum
\chapter{Introduction}
\lipsum
\mainmatter
\chapter{Foo}
\lipsum
\end{document}
Or you ...
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