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Diffstat (limited to 'Master/texmf-dist/doc/fonts/xcharter/xcharter-doc.tex')
-rw-r--r-- | Master/texmf-dist/doc/fonts/xcharter/xcharter-doc.tex | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Master/texmf-dist/doc/fonts/xcharter/xcharter-doc.tex b/Master/texmf-dist/doc/fonts/xcharter/xcharter-doc.tex index 23aebcc9030..415576ce969 100644 --- a/Master/texmf-dist/doc/fonts/xcharter/xcharter-doc.tex +++ b/Master/texmf-dist/doc/fonts/xcharter/xcharter-doc.tex @@ -178,7 +178,20 @@ Because the package supplies a file named {\tt XCharter.fontspec} whose contents \usepackage{fontspec} \setmainfont{XCharter} \end{verbatim} -With unicode-encoded text, you will, in particular, have complete access to the newly added Cyrillic glyphs. +With unicode-encoded text, you will, in particular, have complete access to the Cyrillic glyphs. + +\section{XCharter and PDF/A} +There are a number of PDF/A validators available, though their outputs can and do differ when applied to the same document. I've tried the following. +\begin{itemize} +\item +Adobe Acrobat Pro. Almost all XCharter documents validate PDF/A-1b. +\item +\url{https://www.pdf-online.com/osa/validate.aspx} is a free online validator. Almost all XCharter documents validate PDF/A-1b. +\item +The free {\tt veraPDF} validator is much stricter. Most documents produced using XCharter failed. +\end{itemize} +\newpage + \section{Using Cyrillic with pdflatex} The OT$2$ encoding, now considered as obsolete because it is 7-bit, is nonetheless useful to scholars who wish to write short segments using a Cyrillic script from a Western keyboard. There are two means of doing this, one using control sequences for the characters (e.g., \verb|\CYRA| for Cyrillic A) and the other using ligatures to access the characters. Tables setting out the substitutions available may be consulted at \url{http://herbert.the-little-red-haired-girl.org/dvi/pdf/cyrillic.pdf}. |