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+% \iffalse meta-comment
+%
+%% File: l3text-purify.dtx
+%
+% Copyright (C) 2020 The LaTeX3 Project
+%
+% It may be distributed and/or modified under the conditions of the
+% LaTeX Project Public License (LPPL), either version 1.3c of this
+% license or (at your option) any later version. The latest version
+% of this license is in the file
+%
+% https://www.latex-project.org/lppl.txt
+%
+% This file is part of the "l3kernel bundle" (The Work in LPPL)
+% and all files in that bundle must be distributed together.
+%
+% -----------------------------------------------------------------------
+%
+% The development version of the bundle can be found at
+%
+% https://github.com/latex3/latex3
+%
+% for those people who are interested.
+%
+%<*driver>
+\documentclass[full,kernel]{l3doc}
+\begin{document}
+ \DocInput{\jobname.dtx}
+\end{document}
+%</driver>
+% \fi
+%
+% \title{^^A
+% The \textsf{l3text-purify} package: text processing (purification)^^A
+% }
+%
+% \author{^^A
+% The \LaTeX3 Project\thanks
+% {^^A
+% E-mail:
+% \href{mailto:latex-team@latex-project.org}
+% {latex-team@latex-project.org}^^A
+% }^^A
+% }
+%
+% \date{Released 2020-03-06}
+%
+% \maketitle
+%
+% \begin{documentation}
+%
+% \end{documentation}
+%
+% \begin{implementation}
+%
+% \section{\pkg{l3text} implementation}
+%
+% \begin{macrocode}
+%<*initex|package>
+% \end{macrocode}
+%
+% \begin{macrocode}
+%<@@=text>
+% \end{macrocode}
+%
+% \subsection{Purifying text}
+%
+% \begin{macro}[rEXP]{\text_purify:n, \@@_purify:n}
+% \begin{macro}[rEXP]{\@@_purify_loop:w}
+% \begin{macro}[rEXP]{\@@_purify_group:n}
+% \begin{macro}[rEXP]{\@@_purify_space:w}
+% \begin{macro}[rEXP]{\@@_purify_N_type:N, \@@_purify_N_type_aux:N}
+% \begin{macro}[rEXP]{\@@_purify_math_search:NNN}
+% \begin{macro}[rEXP]{\@@_purify_math_start:NNw}
+% \begin{macro}[rEXP]{\@@_purify_math_store:n}
+% \begin{macro}[rEXP]{\@@_purify_math_store:nw}
+% \begin{macro}[rEXP]{\@@_purify_math_end:w}
+% \begin{macro}[rEXP]{\@@_purify_math_loop:NNw}
+% \begin{macro}[rEXP]{\@@_purify_math_N_type:NNN}
+% \begin{macro}[rEXP]{\@@_purify_math_group:NNn}
+% \begin{macro}[rEXP]{\@@_purify_math_space:NNw}
+% \begin{macro}[rEXP]{\@@_purify_math_cmd:N}
+% \begin{macro}[rEXP]{\@@_purify_math_cmd:NN}
+% \begin{macro}[rEXP]{\@@_purify_math_cmd:Nn}
+% \begin{macro}[rEXP]{\@@_purify_replace:N}
+% \begin{macro}[rEXP]{\@@_purify_replace:n}
+% \begin{macro}[rEXP]{\@@_purify_expand:N, \@@_purify_protect:N}
+% As in the other parts of the module, we start off with a standard
+% \enquote{action} loop, with expansion applied up-front. Here, as there
+% will be no text commands left in the output, there is no concern about
+% using \cs{exp_not:n} and \texttt{e}-type expansion.
+% \begin{macrocode}
+\cs_new:Npn \text_purify:n #1
+ {
+ \group_align_safe_begin:
+ \exp_args:Ne \@@_purify:n
+ { \text_expand:n {#1} }
+ \group_align_safe_end:
+ }
+\cs_new:Npn \@@_purify:n #1
+ { \@@_purify_loop:w #1 \q_recursion_tail \q_recursion_stop }
+% \end{macrocode}
+% The main loop is a standard \enquote{tl action}. Unlike the expansion
+% or case changing, here any groups have to be run inline. Most of the
+% business end is as before in the \texttt{N}-type token processing.
+% \begin{macrocode}
+\cs_new:Npn \@@_purify_loop:w #1 \q_recursion_stop
+ {
+ \tl_if_head_is_N_type:nTF {#1}
+ { \@@_purify_N_type:N }
+ {
+ \tl_if_head_is_group:nTF {#1}
+ { \@@_purify_group:n }
+ { \@@_purify_space:w }
+ }
+ #1 \q_recursion_stop
+ }
+\cs_new:Npn \@@_purify_group:n #1 { \@@_purify_loop:w #1 }
+\exp_last_unbraced:NNo \cs_new:Npn \@@_purify_space:w \c_space_tl
+ {
+ \c_space_tl
+ \@@_purify_loop:w
+ }
+% \end{macrocode}
+% The first part of handling math mode is exactly the same as in the
+% other functions: look for a start-of-math mode token and if found start
+% a new loop tracking the closing token.
+% \begin{macrocode}
+\cs_new:Npn \@@_purify_N_type:N #1
+ {
+ \quark_if_recursion_tail_stop:N #1
+ \@@_purify_N_type_aux:N #1
+ }
+\cs_new:Npn \@@_purify_N_type_aux:N #1
+ {
+ \exp_after:wN \@@_purify_math_search:NNN
+ \exp_after:wN #1 \l_text_math_delims_tl
+ \q_recursion_tail ?
+ \q_recursion_stop
+ }
+\cs_new:Npn \@@_purify_math_search:NNN #1#2#3
+ {
+ \quark_if_recursion_tail_stop_do:Nn #2
+ { \@@_purify_math_cmd:N #1 }
+ \token_if_eq_meaning:NNTF #1 #2
+ {
+ \use_i_delimit_by_q_recursion_stop:nw
+ { \@@_purify_math_start:NNw #2 #3 }
+ }
+ { \@@_purify_math_search:NNN #1 }
+ }
+\cs_new:Npn \@@_purify_math_start:NNw #1#2#3 \q_recursion_stop
+ {
+ \@@_purify_math_loop:NNw #1#2#3 \q_recursion_stop
+ \@@_purify_math_result:n { }
+ }
+\cs_new:Npn \@@_purify_math_store:n #1
+ { \@@_purify_math_store:nw {#1} }
+\cs_new:Npn \@@_purify_math_store:nw #1#2 \@@_purify_math_result:n #3
+ { #2 \@@_purify_math_result:n { #3 #1 } }
+\cs_new:Npn \@@_purify_math_end:w #1 \@@_purify_math_result:n #2
+ {
+ \exp_not:n { $ #2 $ }
+ \@@_purify_loop:w #1
+ }
+\cs_new:Npn \@@_purify_math_stop:Nw #1 \@@_purify_math_result:n #2
+ { \exp_not:n {#1#2} }
+\cs_new:Npn \@@_purify_math_loop:NNw #1#2#3 \q_recursion_stop
+ {
+ \tl_if_head_is_N_type:nTF {#3}
+ { \@@_purify_math_N_type:NNN }
+ {
+ \tl_if_head_is_group:nTF {#3}
+ { \@@_purify_math_group:NNn }
+ { \@@_purify_math_space:NNw }
+ }
+ #1#2#3 \q_recursion_stop
+ }
+\cs_new:Npn \@@_purify_math_N_type:NNN #1#2#3
+ {
+ \quark_if_recursion_tail_stop_do:Nn #3
+ { \@@_purify_math_stop:Nw #1 }
+ \token_if_eq_meaning:NNTF #3 #2
+ { \@@_purify_math_end:w }
+ {
+ \@@_purify_math_store:n {#3}
+ \@@_purify_math_loop:NNw #1#2
+ }
+ }
+\cs_new:Npn \@@_purify_math_group:NNn #1#2#3
+ {
+ \@@_purify_math_store:n { {#3} }
+ \@@_purify_math_loop:NNw #1#2
+ }
+\exp_after:wN \cs_new:Npn \exp_after:wN \@@_purify_math_space:NNw
+ \exp_after:wN # \exp_after:wN 1
+ \exp_after:wN # \exp_after:wN 2 \c_space_tl
+ {
+ \@@_purify_math_store:n { ~ }
+ \@@_purify_math_loop:NNw #1#2
+ }
+% \end{macrocode}
+% Then handle math mode as an argument: same outcomes, different input
+% syntax.
+% \begin{macrocode}
+\cs_new:Npn \@@_purify_math_cmd:N #1
+ {
+ \exp_after:wN \@@_purify_math_cmd:NN \exp_after:wN #1
+ \l_text_math_arg_tl \q_recursion_tail \q_recursion_stop
+ }
+\cs_new:Npn \@@_purify_math_cmd:NN #1#2
+ {
+ \quark_if_recursion_tail_stop_do:Nn #2
+ { \@@_purify_replace:N #1 }
+ \cs_if_eq:NNTF #2 #1
+ {
+ \use_i_delimit_by_q_recursion_stop:nw
+ { \@@_purify_math_cmd:n }
+ }
+ { \@@_purify_math_cmd:NN #1 }
+ }
+\cs_new:Npn \@@_purify_math_cmd:n #1
+ { \@@_purify_math_end:w \@@_purify_math_result:n {#1} }
+% \end{macrocode}
+% For \texttt{N}-type tokens, we first look for a string-context replacement
+% before anything else: this can therefore cover anything. Assuming we don't
+% find one, check to see if we can expand control sequences: if not, they have
+% to be dropped. We also allow for \LaTeXe{} \tn{protect}: there's an
+% assumption that we don't have |\protect { \oops }| or similar, but that's
+% also in the expansion code and seems like a reasonable balance.
+% \begin{macrocode}
+\cs_new:Npn \@@_purify_replace:N #1
+ {
+ \bool_lazy_and:nnTF
+ { \cs_if_exist_p:c { l_@@_purify_ \token_to_str:N #1 _tl } }
+ {
+ \bool_lazy_or_p:nn
+ { \token_if_cs_p:N #1 }
+ { \token_if_active_p:N #1 }
+ }
+ {
+ \exp_args:Nv \@@_purify_replace:n
+ { l_@@_purify_ \token_to_str:N #1 _tl }
+ }
+ {
+ \token_if_cs:NTF #1
+ { \@@_purify_expand:N #1 }
+ {
+ \@@_token_to_explicit:N #1
+ \@@_purify_loop:w
+ }
+ }
+ }
+\cs_new:Npn \@@_purify_replace:n #1 { \@@_purify_loop:w #1 }
+\cs_new:Npn \@@_purify_expand:N #1
+ {
+ \str_if_eq:nnTF {#1} { \protect }
+ { \@@_purify_protect:N }
+ {
+ \@@_if_expandable:NTF #1
+ { \exp_after:wN \@@_purify_loop:w #1 }
+ { \@@_purify_loop:w }
+ }
+ }
+\cs_new:Npn \@@_purify_protect:N #1
+ {
+ \quark_if_recursion_tail_stop:N #1
+ \@@_purify_loop:w
+ }
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+%
+% \begin{macro}
+% {
+% \text_declare_purify_equivalent:Nn,
+% \text_declare_purify_equivalent:Nx
+% }
+% \begin{macrocode}
+\cs_new_protected:Npn \text_declare_purify_equivalent:Nn #1#2
+ {
+ \tl_clear_new:c { l_@@_purify_ \token_to_str:N #1 _tl }
+ \tl_set:cn { l_@@_purify_ \token_to_str:N #1 _tl } {#2}
+ }
+\cs_generate_variant:Nn \text_declare_purify_equivalent:Nn { Nx }
+% \end{macrocode}
+% \end{macro}
+%
+% Now pre-define a range of standard commands that need dedicated definitions
+% in purified text. First handle font-related stuff: all of this needs to be
+% disabled.
+% \begin{macrocode}
+\tl_map_inline:nn
+ {
+ \fontencoding
+ \fontfamily
+ \fontseries
+ \fontshape
+ }
+ { \text_declare_purify_equivalent:Nn #1 { \use_none:n } }
+\text_declare_purify_equivalent:Nn \fontsize { \use_none:nn }
+\text_declare_purify_equivalent:Nn \selectfont { }
+\text_declare_purify_equivalent:Nn \usefont { \use_none:nnnn }
+\tl_map_inline:nn
+ {
+ \emph
+ \text
+ \textnormal
+ \textrm
+ \textsf
+ \texttt
+ \textbf
+ \textmd
+ \textit
+ \textsl
+ \textup
+ \textsc
+ \textulc
+ }
+ { \text_declare_purify_equivalent:Nn #1 { \use:n } }
+\tl_map_inline:nn
+ {
+ \normalfont
+ \rmfamily
+ \sffamily
+ \ttfamily
+ \bfseries
+ \mdseries
+ \itshape
+ \scshape
+ \slshape
+ \upshape
+ \em
+ \Huge
+ \LARGE
+ \Large
+ \footnotesize
+ \huge
+ \large
+ \normalsize
+ \scriptsize
+ \small
+ \tiny
+ }
+ { \text_declare_purify_equivalent:Nn #1 { } }
+% \end{macrocode}
+% Environments have to be handled by pure expansion.
+% \begin{macrocode}
+\text_declare_purify_equivalent:Nn \begin { \use:c }
+\text_declare_purify_equivalent:Nn \end { \use:c }
+% \end{macrocode}
+% Some common symbols and similar ideas.
+% \begin{macrocode}
+\text_declare_purify_equivalent:Nn \\ { }
+\tl_map_inline:nn
+ { \{ \} \# \$ \% \_ }
+ { \text_declare_purify_equivalent:Nx #1 { \cs_to_str:N #1 } }
+% \end{macrocode}
+% Cross-referencing.
+% \begin{macrocode}
+\text_declare_purify_equivalent:Nn \label { \use_none:n }
+% \end{macrocode}
+% Spaces.
+% \begin{macrocode}
+\group_begin:
+\char_set_catcode_active:N \~
+\use:n
+ {
+ \group_end:
+ \text_declare_purify_equivalent:Nx ~ { \c_space_tl }
+ }
+\text_declare_purify_equivalent:Nn \nobreakspace { ~ }
+\text_declare_purify_equivalent:Nn \ { ~ }
+\text_declare_purify_equivalent:Nn \, { ~ }
+% \end{macrocode}
+%
+% \subsection{Accent and letter-like data for purifying text}
+%
+% In contrast to case changing, both $8$-bit and Unicode engines need
+% information for text purification to handle accents and letter-like
+% functions: these all need to be removed. However, the results are
+% of course engine-dependent.
+%
+% For the letter-like commands, life is relatively easy: they are all
+% simply added as standard exceptions. The only oddity is \tn{SS}, which
+% gets converted to two letters. (At some stage an alternative version
+% can presumably be added to \pkg{babel} or similar.)
+% \begin{macrocode}
+\bool_lazy_or:nnTF
+ { \sys_if_engine_luatex_p: }
+ { \sys_if_engine_xetex_p: }
+ {
+ \cs_set_protected:Npn \@@_loop:Nn #1#2
+ {
+ \quark_if_recursion_tail_stop:N #1
+ \text_declare_purify_equivalent:Nx #1
+ {
+ \char_generate:nn { "#2 }
+ { \char_value_catcode:n { "#2 } }
+ }
+ \@@_loop:Nn
+ }
+ }
+ {
+ \cs_set_protected:Npn \@@_loop:Nn #1#2
+ {
+ \quark_if_recursion_tail_stop:N #1
+ \text_declare_purify_equivalent:Nx #1
+ {
+ \exp_args:Ne \@@_tmp:n
+ { \char_to_utfviii_bytes:n { "#2 } }
+ }
+ \@@_loop:Nn
+ }
+ \cs_set:Npn \@@_tmp:n #1 { \@@_tmp:nnnn #1 }
+ \cs_set:Npn \@@_tmp:nnnn #1#2#3#4
+ {
+ \exp_after:wN \exp_after:wN \exp_after:wN
+ \exp_not:N \char_generate:nn {#1} { 13 }
+ \exp_after:wN \exp_after:wN \exp_after:wN
+ \exp_not:N \char_generate:nn {#2} { 13 }
+ }
+ }
+\@@_loop:Nn
+ \AA { 00C5 }
+ \AE { 00C6 }
+ \DH { 00D0 }
+ \DJ { 0110 }
+ \IJ { 0132 }
+ \L { 0141 }
+ \NG { 014A }
+ \O { 00D8 }
+ \OE { 0152 }
+ \TH { 00DE }
+ \aa { 00E5 }
+ \ae { 00E6 }
+ \dh { 00F0 }
+ \dj { 0111 }
+ \i { 0131 }
+ \j { 0237 }
+ \ij { 0132 }
+ \l { 0142 }
+ \ng { 014B }
+ \o { 00F8 }
+ \oe { 0153 }
+ \ss { 00DF }
+ \th { 00FE }
+ \q_recursion_tail ?
+ \q_recursion_stop
+\text_declare_purify_equivalent:Nn \SS { SS }
+% \end{macrocode}
+%
+% \begin{macro}[rEXP]{\@@_purify_accent:NN}
+% Accent \textsc{licr} handling is a little more complex. Accents may exist
+% as pre-composed codepoints or as independent glyphs. The former are all
+% saved as single token lists, whilst for the latter the combining accent
+% needs to be re-ordered compared to the character it applies to.
+% \begin{macrocode}
+\cs_new:Npn \@@_purify_accent:NN #1#2
+ {
+ \cs_if_exist:cTF
+ { c_@@_purify_ \token_to_str:N #1 _ \token_to_str:N #2 _tl }
+ {
+ \exp_not:v
+ { c_@@_purify_ \token_to_str:N #1 _ \token_to_str:N #2 _tl }
+ }
+ {
+ \exp_not:n {#2}
+ \exp_not:v { c_@@_purify_ \token_to_str:N #1 _tl }
+ }
+ }
+\tl_map_inline:Nn \l_text_accents_tl
+ { \text_declare_purify_equivalent:Nn #1 { \@@_purify_accent:NN #1 } }
+% \end{macrocode}
+% First set up the combining accents.
+% \begin{macrocode}
+\group_begin:
+ \cs_set_protected:Npn \@@_loop:Nn #1#2
+ {
+ \quark_if_recursion_tail_stop:N #1
+ \tl_const:cx { c_@@_purify_ \token_to_str:N #1 _tl }
+ { \@@_tmp:n {#2} }
+ \@@_loop:Nn
+ }
+ \bool_lazy_or:nnTF
+ { \sys_if_engine_luatex_p: }
+ { \sys_if_engine_xetex_p: }
+ {
+ \cs_set:Npn \@@_tmp:n #1
+ {
+ \char_generate:nn { "#1 }
+ { \char_value_catcode:n { "#1 } }
+ }
+ }
+ {
+ \cs_set:Npn \@@_tmp:n #1
+ {
+ \exp_args:Ne \@@_tmp_aux:n
+ { \char_to_utfviii_bytes:n { "#1 } }
+ }
+ \cs_set:Npn \@@_tmp_aux:n #1 { \@@_tmp:nnnn #1 }
+ \cs_set:Npn \@@_tmp:nnnn #1#2#3#4
+ {
+ \exp_after:wN \exp_after:wN \exp_after:wN
+ \exp_not:N \char_generate:nn {#1} { 13 }
+ \exp_after:wN \exp_after:wN \exp_after:wN
+ \exp_not:N \char_generate:nn {#2} { 13 }
+ }
+ }
+ \@@_loop:Nn
+ \` { 0300 }
+ \' { 0301 }
+ \^ { 0302 }
+ \~ { 0303 }
+ \= { 0304 }
+ \u { 0306 }
+ \. { 0307 }
+ \" { 0308 }
+ \r { 030A }
+ \H { 030B }
+ \v { 030C }
+ \d { 0323 }
+ \c { 0327 }
+ \k { 0328 }
+ \b { 0331 }
+ \t { 0361 }
+ \q_recursion_tail { }
+ \q_recursion_stop
+% \end{macrocode}
+% Now we handle the pre-composed accents: the list here is taken from
+% \texttt{puenc.def}. All of the precomposed cases take a single letter
+% as their second argument. We do not try to cover the case where an accent
+% is added to a \enquote{real} dotless-i or -j, or a \ae/\AE. Rather, we
+% assume that if the \textsc{utf}-8 character is used, it will have the
+% real accent character too.
+% \begin{macrocode}
+ \cs_set_protected:Npn \@@_loop:NNn #1#2#3
+ {
+ \quark_if_recursion_tail_stop:N #1
+ \tl_const:cx
+ { c_@@_purify_ \token_to_str:N #1 _ \token_to_str:N #2 _tl }
+ { \@@_tmp:n {#3} }
+ \@@_loop:NNn
+ }
+ \@@_loop:NNn
+ \` A { 00C0 }
+ \' A { 00C1 }
+ \^ A { 00C2 }
+ \~ A { 00C3 }
+ \" A { 00C4 }
+ \r A { 00C5 }
+ \c C { 00C7 }
+ \` E { 00C8 }
+ \' E { 00C9 }
+ \^ E { 00CA }
+ \" E { 00CB }
+ \` I { 00CC }
+ \' I { 00CD }
+ \^ I { 00CE }
+ \" I { 00CF }
+ \~ N { 00D1 }
+ \` O { 00D2 }
+ \' O { 00D3 }
+ \^ O { 00D4 }
+ \~ O { 00D5 }
+ \" O { 00D6 }
+ \` U { 00D9 }
+ \' U { 00DA }
+ \^ U { 00DB }
+ \" U { 00DC }
+ \' Y { 00DD }
+ \` a { 00E0 }
+ \' a { 00E1 }
+ \^ a { 00E2 }
+ \~ a { 00E3 }
+ \" a { 00E4 }
+ \r a { 00E5 }
+ \c c { 00E7 }
+ \` e { 00E8 }
+ \' e { 00E9 }
+ \^ e { 00EA }
+ \" e { 00EB }
+ \` i { 00EC }
+ \` \i { 00EC }
+ \' i { 00ED }
+ \' \i { 00ED }
+ \^ i { 00EE }
+ \^ \i { 00EE }
+ \" i { 00EF }
+ \" \i { 00EF }
+ \~ n { 00F1 }
+ \` o { 00F2 }
+ \' o { 00F3 }
+ \^ o { 00F4 }
+ \~ o { 00F5 }
+ \" o { 00F6 }
+ \` u { 00F9 }
+ \' u { 00FA }
+ \^ u { 00FB }
+ \" u { 00FC }
+ \' y { 00FD }
+ \" y { 00FF }
+ \= A { 0100 }
+ \= a { 0101 }
+ \u A { 0102 }
+ \u a { 0103 }
+ \k A { 0104 }
+ \k a { 0105 }
+ \' C { 0106 }
+ \' c { 0107 }
+ \^ C { 0108 }
+ \^ c { 0109 }
+ \. C { 010A }
+ \. c { 010B }
+ \v C { 010C }
+ \v c { 010D }
+ \v D { 010E }
+ \v d { 010F }
+ \= E { 0112 }
+ \= e { 0113 }
+ \u E { 0114 }
+ \u e { 0115 }
+ \. E { 0116 }
+ \. e { 0117 }
+ \k E { 0118 }
+ \k e { 0119 }
+ \v E { 011A }
+ \v e { 011B }
+ \^ G { 011C }
+ \^ g { 011D }
+ \u G { 011E }
+ \u g { 011F }
+ \. G { 0120 }
+ \. g { 0121 }
+ \c G { 0122 }
+ \c g { 0123 }
+ \^ H { 0124 }
+ \^ h { 0125 }
+ \~ I { 0128 }
+ \~ i { 0129 }
+ \~ \i { 0129 }
+ \= I { 012A }
+ \= i { 012B }
+ \= \i { 012B }
+ \u I { 012C }
+ \u i { 012D }
+ \u \i { 012D }
+ \k I { 012E }
+ \k i { 012F }
+ \k \i { 012F }
+ \. I { 0130 }
+ \^ J { 0134 }
+ \^ j { 0135 }
+ \^ \j { 0135 }
+ \c K { 0136 }
+ \c k { 0137 }
+ \' L { 0139 }
+ \' l { 013A }
+ \c L { 013B }
+ \c l { 013C }
+ \v L { 013D }
+ \v l { 013E }
+ \. L { 013F }
+ \. l { 0140 }
+ \' N { 0143 }
+ \' n { 0144 }
+ \c N { 0145 }
+ \c n { 0146 }
+ \v N { 0147 }
+ \v n { 0148 }
+ \= O { 014C }
+ \= o { 014D }
+ \u O { 014E }
+ \u o { 014F }
+ \H O { 0150 }
+ \H o { 0151 }
+ \' R { 0154 }
+ \' r { 0155 }
+ \c R { 0156 }
+ \c r { 0157 }
+ \v R { 0158 }
+ \v r { 0159 }
+ \' S { 015A }
+ \' s { 015B }
+ \^ S { 015C }
+ \^ s { 015D }
+ \c S { 015E }
+ \c s { 015F }
+ \v S { 0160 }
+ \v s { 0161 }
+ \c T { 0162 }
+ \c t { 0163 }
+ \v T { 0164 }
+ \v t { 0165 }
+ \~ U { 0168 }
+ \~ u { 0169 }
+ \= U { 016A }
+ \= u { 016B }
+ \u U { 016C }
+ \u u { 016D }
+ \r U { 016E }
+ \r u { 016F }
+ \H U { 0170 }
+ \H u { 0171 }
+ \k U { 0172 }
+ \k u { 0173 }
+ \^ W { 0174 }
+ \^ w { 0175 }
+ \^ Y { 0176 }
+ \^ y { 0177 }
+ \" Y { 0178 }
+ \' Z { 0179 }
+ \' z { 017A }
+ \. Z { 017B }
+ \. z { 017C }
+ \v Z { 017D }
+ \v z { 017E }
+ \v A { 01CD }
+ \v a { 01CE }
+ \v I { 01CF }
+ \v \i { 01D0 }
+ \v i { 01D0 }
+ \v O { 01D1 }
+ \v o { 01D2 }
+ \v U { 01D3 }
+ \v u { 01D4 }
+ \v G { 01E6 }
+ \v g { 01E7 }
+ \v K { 01E8 }
+ \v k { 01E9 }
+ \k O { 01EA }
+ \k o { 01EB }
+ \v \j { 01F0 }
+ \v j { 01F0 }
+ \' G { 01F4 }
+ \' g { 01F5 }
+ \` N { 01F8 }
+ \` n { 01F9 }
+ \' \AE { 01FC }
+ \' \ae { 01FD }
+ \' \O { 01FE }
+ \' \o { 01FF }
+ \v H { 021E }
+ \v h { 021F }
+ \. A { 0226 }
+ \. a { 0227 }
+ \c E { 0228 }
+ \c e { 0229 }
+ \. O { 022E }
+ \. o { 022F }
+ \= Y { 0232 }
+ \= y { 0233 }
+ \q_recursion_tail ? { }
+ \q_recursion_stop
+\group_end:
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macrocode}
+%</initex|package>
+% \end{macrocode}
+%
+% \end{implementation}
+%
+% \PrintIndex