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+
+% \section{Extended font encodings}
+%
+% \iffalse
+% \begin{macrocode}
+%<*fontspec&(xetexx|luatex)>
+% \end{macrocode}
+% \fi
+%
+% To be removed after the 2017 release of LaTeX2e:
+% \begin{macrocode}
+\providecommand\UnicodeFontFile[2]{"[#1]:#2"}
+\providecommand\UnicodeFontName[2]{"#1:#2"}
+%<xetexx>\providecommand\UnicodeFontTeXLigatures{mapping=tex-text;}
+%<luatex>\providecommand\UnicodeFontTeXLigatures{+tlig;}
+% \end{macrocode}
+%
+% \begin{macrocode}
+\providecommand\add@unicode@accent[2]{#2\char#1\relax}
+\providecommand\DeclareUnicodeAccent[3]{%
+ \DeclareTextCommand{#1}{#2}{\add@unicode@accent{#3}}%
+}
+% \end{macrocode}
+%
+% \begin{macro}{\EncodingCommand}
+% \begin{macrocode}
+\DeclareDocumentCommand \EncodingCommand {mO{}m}
+ {
+ \bool_if:NF \l_@@_defining_encoding_bool
+ { \@@_error:nn {only-inside-encdef} \EncodingCommand }
+ \DeclareTextCommand{#1}{\UnicodeEncodingName}[#2]{#3}
+ }
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\EncodingAccent}
+% \begin{macrocode}
+\DeclareDocumentCommand \EncodingAccent {mm}
+ {
+ \bool_if:NF \l_@@_defining_encoding_bool
+ { \@@_error:nn {only-inside-encdef} \EncodingAccent }
+ \DeclareTextCommand{#1}{\UnicodeEncodingName}{\add@unicode@accent{#2}}
+ }
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\EncodingSymbol}
+% \begin{macrocode}
+\DeclareDocumentCommand \EncodingSymbol {mm}
+ {
+ \bool_if:NF \l_@@_defining_encoding_bool
+ { \@@_error:nn {only-inside-encdef} \EncodingSymbol }
+ \DeclareTextSymbol{#1}{\UnicodeEncodingName}{#2}
+ }
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\EncodingComposite}
+% \begin{macrocode}
+\DeclareDocumentCommand \EncodingComposite {mmm}
+ {
+ \bool_if:NF \l_@@_defining_encoding_bool
+ { \@@_error:nn {only-inside-encdef} \EncodingComposite }
+ \DeclareTextComposite{#1}{\UnicodeEncodingName}{#2}{#3}
+ }
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\EncodingCompositeCommand}
+% \begin{macrocode}
+\DeclareDocumentCommand \EncodingCompositeCommand {mmm}
+ {
+ \bool_if:NF \l_@@_defining_encoding_bool
+ { \@@_error:nn {only-inside-encdef} \EncodingCompositeCommand }
+ \DeclareTextCompositeCommand{#1}{\UnicodeEncodingName}{#2}{#3}
+ }
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\DeclareUnicodeEncoding}
+% \begin{macrocode}
+\DeclareDocumentCommand \DeclareUnicodeEncoding {mm}
+ {
+ \DeclareFontEncoding{#1}{}{}
+ \DeclareErrorFont{#1}{lmr}{m}{n}{10}
+ \DeclareFontSubstitution{#1}{lmr}{m}{n}
+ \DeclareFontFamily{#1}{lmr}{}
+
+ \DeclareFontShape{#1}{lmr}{m}{n}
+ {<->\UnicodeFontFile{lmroman10-regular}{\UnicodeFontTeXLigatures}}{}
+ \DeclareFontShape{#1}{lmr}{m}{it}
+ {<->\UnicodeFontFile{lmroman10-italic}{\UnicodeFontTeXLigatures}}{}
+ \DeclareFontShape{#1}{lmr}{m}{sc}
+ {<->\UnicodeFontFile{lmromancaps10-regular}{\UnicodeFontTeXLigatures}}{}
+ \DeclareFontShape{#1}{lmr}{bx}{n}
+ {<->\UnicodeFontFile{lmroman10-bold}{\UnicodeFontTeXLigatures}}{}
+ \DeclareFontShape{#1}{lmr}{bx}{it}
+ {<->\UnicodeFontFile{lmroman10-bolditalic}{\UnicodeFontTeXLigatures}}{}
+
+ \tl_set_eq:NN \l_@@_prev_unicode_name_tl \UnicodeEncodingName
+ \tl_set:Nn \UnicodeEncodingName {#1}
+ \bool_set_true:N \l_@@_defining_encoding_bool
+ #2
+ \bool_set_false:N \l_@@_defining_encoding_bool
+ \tl_set_eq:NN \UnicodeEncodingName \l_@@_prev_unicode_name_tl
+ }
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\UndeclareSymbol}
+% \begin{macrocode}
+\DeclareDocumentCommand \UndeclareSymbol {m}
+ {
+ \bool_if:NF \l_@@_defining_encoding_bool
+ { \@@_error:nn {only-inside-encdef} \UndeclareSymbol }
+ \UndeclareTextCommand {#1} {\UnicodeEncodingName}
+ }
+
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\UndeclareComposite}
+% \begin{macrocode}
+\DeclareDocumentCommand \UndeclareComposite {mm}
+ {
+ \bool_if:NF \l_@@_defining_encoding_bool
+ { \@@_error:nn {only-inside-encdef} \UndeclareComposite }
+ \cs_undefine:c
+ { \c_backslash_str \UnicodeEncodingName \token_to_str:N #1 - \tl_to_str:n {#2} }
+ }
+% \end{macrocode}
+% \end{macro}
+%
+% \iffalse
+% \begin{macrocode}
+%</fontspec&(xetexx|luatex)>
+% \end{macrocode}
+% \fi