errata.sty

%%
%% This is file `errata.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% errata.dtx  (with options: `package')
%% 
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{errata}[2015/04/16 v1.0 Errata Management]
\RequirePackage{xifthen}
\RequirePackage{pgfkeys}
\RequirePackage{etoolbox}
\RequirePackage{xpatch}
\RequirePackage{xparse}
\RequirePackage{pgffor}
\RequirePackage{xinttools} % defines \xintFor macro
\RequirePackage[family=@errata@]{strkeyformatter}
\RequirePackage{kvoptions}[2009/07/21]
\SetupKeyvalOptions {
  family = Errata,
  prefix = @errataOpt@,
}
\DeclareBoolOption{show}
\DeclareComplementaryOption{hide}{show}
\DeclareBoolOption{margins}
\DeclareBoolOption{foots}
\DeclareBoolOption[true]{record}
\DeclareBoolOption[true]{requirecmddescription}
\DeclareBoolOption[true]{hyperref}
\DeclareBoolOption[true]{cleveref}
\DeclareBoolOption[true]{marginnote}
\DeclareBoolOption[false]{linenos}
\DeclareStringOption[0]{environmenttestmode}
%% Disabled by default (0), if option set, default level is 3.
\DeclareStringOption[0]{uniquelistlabels}[3]
\DeclareBoolOption[true]{inlinemarks}
\DeclareBoolOption[true]{inlinechanges}
\DeclareStringOption[default]{styles}
\DeclareStringOption[]{defaultargs}
\DeclareStringOption[]{defaultargsadd}
\DeclareStringOption[]{defaultargsdelete}
\DeclareStringOption[]{defaultargsreplace}
\DeclareStringOption[]{defaultargsnote}
\ProcessKeyvalOptions{Errata}
%% Utility macros
\input{erratapgfkeysextra}
\NewDocumentCommand{\@errata@requirepackage}{ m }{%
  \@ifpackageloaded{#1}{}{
    \PackageWarning{errata}{The current errata settings require the #1 package to be loaded.
      Loading package #1...}
    \RequirePackage{#1}
  }
}
\def\errataset{\pgfqkeys{/@errata@}}
\DeclareExpandableDocumentCommand{\@errata@setvalue}{ m } {\pgfkeys{/@errata@/#1}}
\DeclareExpandableDocumentCommand{\@errata@setvalues}{ O{} m } {\pgfkeys{/@errata@/#1.cd, #2}}
\DeclareExpandableDocumentCommand{\@errata@getvalue}{ m } {\pgfkeysvalueof{/@errata@/#1}}
\NewDocumentCommand{\@errata@ifnotempty}{ m m }{\ifthenelse{\equal{#1}{}}{}{#2}}
%%\NewDocumentCommand{\@errata@ifelsenotempty}{ m m }{\ifthenelse{\equal{#1}{}}{}{#2}}
\NewDocumentCommand{\@errata@ifempty}{ m m }{\ifthenelse{\equal{#1}{}}{#2}{}}
\NewDocumentCommand{\@errata@ifelseempty}{ m m m }{\ifthenelse{\equal{#1}{}}{#2}{#3}}
\NewDocumentCommand{\@errata@ifstrequal}{ m m m }{\ifthenelse{\equal{#1}{#2}}{#3}{}}
%%
\pgfkeys{
  /@errata@/cmdkeys/.is family, /@errata@/cmdkeys,
  defaultargs/.style={record=true, foot=true, margin=true, marginargs={},
    lineno=true, inlinemark=true, inlinechange=true},
  defaultargsadd/.style={},
  defaultargsreplace/.style={},
  defaultargsdelete/.style={},
  defaultargsnote/.style={},
  /handlers/.errataapplystyles/.code={\xintFor ##9 in {#1} \do {\errataset{styles/##9}}},
}
\errataset{customformatkeys/.initial={}}
%% Add any default arguments specified by the user
\@errata@setvalues[cmdkeys/]{defaultargs/.append style/.expand once={{\@errataOpt@defaultargs}}}
\@errata@setvalues[cmdkeys/]{defaultargsadd/.append style/.expand once={\@errataOpt@defaultargsadd}}
\@errata@setvalues[cmdkeys/]{defaultargsreplace/.append style/.expand once={\@errataOpt@defaultargsreplace}}
\@errata@setvalues[cmdkeys/]{defaultargsdelete/.append style/.expand once={\@errataOpt@defaultargsdelete}}
\@errata@setvalues[cmdkeys/]{defaultargsnote/.append style/.expand once={\@errataOpt@defaultargsnote}}
%%
\AtBeginDocument{%
  \ifboolexpr{ bool{@errataOpt@linenos} and not test{\@ifpackageloaded{lineno}} } {%
    \@errata@requirepackage{lineno}
  }{}
}
%%
\if@errataOpt@show
\@errataOpt@marginstrue%
\@errataOpt@footstrue%
\@errataOpt@inlinemarkstrue%
\@errataOpt@inlinechangestrue%
\fi
%%
\@ifpackageloaded{hyperref}{}{\@errataOpt@hyperreffalse }
\@ifpackageloaded{cleveref}{}{\@errataOpt@clevereffalse }
\if@errataOpt@marginnote
\@ifpackageloaded{marginnote}{}{\RequirePackage{marginnote}}
\fi
%%
\newcounter{@errata@erratum}
\newcounter{erratum@note}[@errata@erratum]
\if@errataOpt@record\newwrite\@errata@file
\immediate\openout\@errata@file=\jobname-errata.tex
\AtEndDocument{\closeout\@errata@file}\fi
%%
\newlength{\@errata@groupindent}
\setlength\@errata@groupindent{14.7pt}
\newcounter{@errata@uniquelistlabels}
\setcounter{@errata@uniquelistlabels}{\@errataOpt@uniquelistlabels}
\newcounter{@errata@environmenttestmode}
\setcounter{@errata@environmenttestmode}{\@errataOpt@environmenttestmode}
%%
\NewDocumentCommand{\@errata@declareKey}{ O{UNDEF} m }
{\@errata@setvalue{#2/.initial={#1}}}
%%
\NewDocumentCommand{\@errata@declareStoreKey}{ O{UNDEF} m }
{%% Basically 'estore in', but must build macro name from argument
\pgfkeys{/@errata@/#2/.code={\expandafter\edef\csname @errata@#2\endcsname{##1}}}%
\pgfkeys{/@errata@/#2={#1}}%
}
%%
\NewDocumentCommand{\@errata@setcmdkeys}{ O{0} m }{%
\xintFor ##9 in {#2} \do {%
\edef\@errata@key{##9}%
\@errata@ifnotempty{##9} {%
  \@errata@setvalue{cmdkeys/\@errata@key/.initial=#1}%
}}}
%%
\NewDocumentCommand{\errataSetFootFormat}{ m }{%
  \@errata@declareStoreKey[#1]{footformat}%
}
\NewDocumentCommand{\errataSetListFormat}{ m }{%
  \@errata@declareStoreKey[#1]{listformat}%
}
\@errata@declareStoreKey[type, description, location, date, id, pageref, lineref,
inlinemark, inlinechange, uselabel, label, margin, foot, record, lineno,
marginargs, usemarginnote, reported-by, actionid, action, actionargs, actiondescription,
erratumlistitem, erratumlistitemtitle, erratumlisttarget,
listbeforenewgroup, listafternewgroup, listbeforesamegroup, listaftersamegroup,
erratumlabel, erratumname, erratumnamedlink]{formatkeys}% Defines \@errata@formatkeys
%%
\@errata@setcmdkeys{\@errata@formatkeys}
\@errata@setvalue{cmdkeys/usemarginnote/.default={0pt}}
%%
\NewDocumentCommand{\errataSetKeyFormat}{ O{} m m }{% PGF argument pattern, key, formated output
  \StrKeyFmtSetKeyFormat[#1]{#2}{#3}%
}
\NewDocumentCommand{\errataRegisterFormatKey}{ m }{%
  \errataset{customformatkeys/.append=#1}%
  \errataset{formatkeys/.append code=#1}%
  \@errata@setcmdkeys{#1}
}
%% Set default formater for all keys
\SetDefaultKeylistFormat[#1]{listformats}{\@errata@formatkeys}
\SetDefaultKeylistFormat[#1]{footformats}{\@errata@formatkeys}
\SetDefaultKeylistFormat[#1]{errformats}{errfmt, eerrbeginfmt, eerrendfmt}
\SetDefaultKeylistFormat[#1]{actionformat}{add, delete, replace, note}
\errataSetKeyFormat[#1+#2]{marginfmt/marginnote}{#2}%
%%
\@errata@declareKey[{@errata@erratum}]{footnoteprefix}
\@errata@declareKey[\scshape{Erratum!}]{footnotebegin}
%%
%% Used internally to track label and label references
\@errata@declareKey{labelref}
\@errata@declareStoreKey{erratumname}
\@errata@setvalue{labelname/.gstore in=\@errata@labelname}
\@errata@setvalue{labelname={}}
\@errata@setvalue{prevlabel/.gestore in=\@errata@prevlabel}
\@errata@setvalue{prevlabel={}}
\@errata@setvalue{lastuniquelabel/.gestore in=\@errata@lastuniquelabel}
\@errata@setvalue{lastuniquelabel={UNDEF}}
\@errata@setvalue{newlabelgroup/.gstore in=\@errata@newlabelgroup}
\@errata@setvalue{newlabelgroup={true}}
%%
\@errata@setvalue{lastcommandinlinevalue/.gstore in=\lastcommandinlinevalue}
\@errata@setvalue{lastcommandinlinevalue={}}
\@errata@setvalue{inlinevalue/.initial={}}
\input{erratastyles}
\errataset{.errataapplystyles/.list={basekeyformats, \@errataOpt@styles}}
%%
\DeclareExpandableDocumentCommand{\@errata@htargetname}{ m } {errata#1}%
\DeclareExpandableDocumentCommand{\@errata@linenoname}{ m } {\if@errataOpt@linenos%
  erratalineno#1\else{}\fi}%
\DeclareExpandableDocumentCommand{\@errata@htargetlisttname}{ m } {erratalist#1}%
\NewDocumentCommand{\@errata@hlink}{ m m } {#2}%
\NewDocumentCommand{\@errata@label}{ m } {%
  \protected@edef\@errata@expanded@arg{#1}\label{\@errata@expanded@arg}}%
\NewDocumentCommand{\@errata@htargeterratum}{ O{} m m } {\@errata@label{#1}#2}
\NewDocumentCommand{\@errata@hlinkerratum}{ m m } {\@errata@hlink{\@errata@htargetname{#1}}{#2}}
\NewDocumentCommand{\@errata@hlinkerratumlist}{ m m } {\@errata@hlink{\@errata@htargetlisttname{#1}}{#2}}
%%
%% Enable internal linking if hyperref
\if@errataOpt@hyperref
\RenewDocumentCommand{\@errata@hlink}{ m m } {%
\protected@edef\@errata@expanded@arg{#1}%
\hyperlink{\@errata@expanded@arg}{#2}}%
%%
%% \@errata@htargeterratum
%% ARG1: Optional argument to indicate whether to add labels,
%% ARG2: The (optional) target name of a custom label
%% ARG3: The target name of the primary label/hyperlink
%% ARG4: The text to insert after the label/hypertarget
%% Hypertarget creates a hyper-link anchor, used to link to this location with \hyperlink
%% The label is needed for such as ref/pageref/cref
\RenewDocumentCommand{\@errata@htargeterratum}{ O{} O{} m m }{%
 \Hy@raisedlink{\hypertarget{#3}{}}%
  \@errata@ifempty{#1}{% Add labels
    \@errata@label{#3}% Primary label
    \if@errataOpt@linenos%
    \ifboolexpr{ test {\ifdolineno} }{%
      \edef\@errata@expanded@arg{\@errata@linenoname{\the@errata@erratum}}%
      \ifinner%
      \expandafter\@LN@postlabel\expandafter{\@errata@expanded@arg}%
      \else%
      \expandafter\linelabel\expandafter{\@errata@expanded@arg}%
      \fi%
    }{}%
    \fi%
    \@errata@ifnotempty{#2}{\@errata@label{#2}}% Seconday custom label
  }{#4}%
}%
\fi
%%

%% Code for cleveref support
\if@errataOpt@cleveref
  \AtBeginDocument{%
    \Crefname{errata}{Err}{Errata}
    \crefname{errata}{err}{errata}
    \crefformat{errata}{Err(#2#1#3)}
    \Crefformat{errata}{Err(#2#1#3)}
  }
  \RenewDocumentCommand{\@errata@label}{ m } {%
    \protected@edef\@errata@expanded@arg{#1}\label[errata]{\@errata@expanded@arg}}%
\fi
%%
\NewDocumentCommand{\@errata@FormatKeywords}{ O{} m m m }{% key, keys/values, format-string
  \@StrKeyFmt@FormatKeywords[#1]{#2}{cmdkeys}{#3}{#4}%
}
%%
\newcounter{@errata@lowerlabellim}
\setcounter{@errata@lowerlabellim}{0}
%% Return true of the label name can be set
\newcommand\ifuniquelabeltest[1]{%
%% Current document class doesn't have chapters.
    \setcounter{@errata@lowerlabellim}{#1}%
  \@ifundefined{thechapter}{%
    \stepcounter{@errata@lowerlabellim}%
  }{}%
  \ifboolexpr{test {\ifnumcomp{\value{@errata@uniquelistlabels}}{=}{0}} or test {\ifnumcomp{\value{@errata@uniquelistlabels}}{>}{\value{@errata@lowerlabellim}}}}}
%%
\DeclareExpandableDocumentCommand{\@errata@setlabelref}{ } {%
\@ifundefined{thechapter}{}{%
  \ifnumcomp{\value{chapter}}{>}{0}{%
    \@errata@setvalue{labelname=\thechapter}%
    \@errata@setvalue{labelref={chapter.\thechapter}}%
  }{}}%
%% Check section
\@ifundefined{thesection}{}{%
  \ifnumcomp{\value{section}}{>}{0}{%
    \@errata@setvalue{labelref={section.\thesection}}%
    \ifboolexpr{test {\ifuniquelabeltest{1}} }{\@errata@setvalue{labelname=\thesection}}{}%
    %% Check subsection
    \@ifundefined{thesubsection}{}{%
      \ifnumcomp{\value{subsection}}{>}{0}{%
        \@errata@setvalue{labelref={subsection.\thesubsection}}%
        \ifboolexpr{test {\ifuniquelabeltest{2}} }{\@errata@setvalue{labelname=\thesubsection}}{}%
        %% Check subsubsection
        \@ifundefined{thesubsubsection}{}{%
          \ifnumcomp{\value{subsubsection}}{>}{0}{%
            \@errata@setvalue{labelref={subsubsection.\thesubsubsection}}%
            \ifboolexpr{test {\ifuniquelabeltest{3}} }{\@errata@setvalue{labelname=\thesubsubsection}}{}%
          }{}%
        }%
      }{}% END subsubsection
    }% END subsection
  }{}%
}% END section
}
%%
%% ARG1: Optional value to add before the content
%% ARG2: Optional value to add after the content
%% ARG3: Item title
%% ARG4: errata-format-text
\DeclareDocumentCommand{\erratumItem}{ O{} O{} m m } {#1#3#4#2}
%%
\DeclareDocumentCommand{\printerrata}{ O{-errata.tex} m } {%
\IfFileExists{#2#1}{%
\begin{errata}\input{#2#1}\end{errata}}{}%
}
%%
\DeclareDocumentCommand{\PrintErrata}{} {%
\if@errataOpt@record\immediate\closeout\@errata@file\fi%
\printerrata{\jobname}%
}
%%
\newcommand\ifdomargin[0]{%
  \ifboolexpr{
    bool{@errataOpt@margins}
    and test{\ifthenelse{\equal{\@errata@getvalue{cmdkeys/margin}}{true}}}}}
\newcommand\ifdofoot[0]{%
  \ifboolexpr{
    bool{@errataOpt@foots}
    and test{\ifthenelse{\equal{\@errata@getvalue{cmdkeys/foot}}{true}}}}}
\newcommand\ifdorecord[0]{%
  \ifboolexpr{
    bool{@errataOpt@record}
    and test{\ifthenelse{\equal{\@errata@getvalue{cmdkeys/record}}{true}}}}}
%%
%% Ideally, the \ifdolineno test would include a test for bool{@errataOpt@linenos}
%% However, LineNumbers isn't available if the lineno package isn't loaded,
%% and as ifboolexpr doesn't do lazy evaluation, we can't test for that
%% unless we know the package is loaded.
\newcommand\ifdolineno[0]{%
  \ifboolexpr{
    and test{\ifthenelse{\equal{\@errata@getvalue{cmdkeys/lineno}}{true}}}
    and bool{LineNumbers} }}
%%
\newenvironment{errata}{%
  \StrKeyFmtgetformatted{listformats/erratalistbegin}{}{\@errata@tmp@erratalistbegin}%
  \@errata@tmp@erratalistbegin%
}{\StrKeyFmtgetformatted{listformats/erratalistend}{}{\@errata@tmp@erratalistend}%
  \@errata@tmp@erratalistend%
}
%%
\DeclareDocumentEnvironment{erratum}{ O{} m }% keys, explanation
{\@erratum@cmd{}{#1}{action={Long errata}, description={#2}}%
\expandafter\@errata@htargeterratum{\@errata@htargetname{\the@errata@erratum}}{}%
\if@errataOpt@foots%
\footnotetext[\value{@errata@erratum}]{{\@errata@getvalue{footnotebegin} #2}}%
\fi%
\protected@edef\@errata@tmp@marginargs{\@errata@getvalue{cmdkeys/marginargs}}%
\ifboolexpr{test {\ifdomargin} }%
{\StrKeyFmtgetformatted{errformats/eerrbeginfmt}{\@errata@hlinkerratumlist{\the@errata@erratum}{\arabic{@errata@erratum}}}{\@errata@tmpfmtvalue}%
\@errata@marginnote[\@errata@tmp@marginargs]{\@errata@tmpfmtvalue}%
}{}%
\@errata@dorecord{listformats}{\@errata@listformat}{\@errata@argsstring}%
\def\eAdd##1{[##1]$_a$}%
\def\eDelete##1{\erratum@mark[]$_d^{\@thefnmark}$\if@errataOpt@foots\@footnotetext{deleted: ##1}\fi}%
\def\eReplace##1##2{\erratum@mark[##2]$_r^{\@thefnmark}$\if@errataOpt@foots\@footnotetext{was: ##1}\fi}
\ignorespaces}%
{\ifboolexpr{test {\ifdomargin} }%
{\StrKeyFmtgetformatted{errformats/eerrendfmt}{\@errata@hlinkerratumlist{\the@errata@erratum}{\arabic{@errata@erratum}}}{\@errata@tmpfmtvalue}%
\@errata@marginnote[\@errata@tmp@marginargs]{\@errata@tmpfmtvalue}%
}{}%
}%
%%
\def\erratum@mark{\stepcounter{erratum@note}{}
\def\@thefnmark{\arabic{@errata@erratum}:\arabic{erratum@note}}}
%% Write info to log file
\NewDocumentCommand{\erratamessage}{ m } {% erratakeyvalues
\ifnum\value{@errata@erratum}>0\typeout{}%
\typeout{This document contains \arabic{@errata@erratum} Errata; see \jobname-errata.tex!}%
\typeout{}%
\fi}
%%
\NewDocumentCommand{\@errata@dorecord}{ m m m } {% formattype, listformat, argsstring
\ifboolexpr{ test {\ifdorecord} }{%
%% Get the formatted code for a new group
\ifboolexpr{ test {\ifthenelse{\equal{\@errata@newlabelgroup}{true}}} }%
{%
  \StrKeyFmtgetformatted{listformats/listbeforenewgroup}{\@errata@labelname}{\@errata@tmp@before}%
  \StrKeyFmtgetformatted{listformats/listafternewgroup}{\@errata@labelname}{\@errata@tmp@after}%
}%
{%
  \StrKeyFmtgetformatted{listformats/listbeforesamegroup}{\@errata@labelname}{\@errata@tmp@before}%
  \StrKeyFmtgetformatted{listformats/listaftersamegroup}{\@errata@labelname}{\@errata@tmp@after}%
}%
\@errata@record[\@errata@tmp@before][\@errata@tmp@after]{\noexpand\@errata@FormatKeywords{#1}{#3}{#2}}%
}{}%
}
%% Create an entry in the errata list produced by PrintErrata
\NewDocumentCommand{\@errata@record}{ O{} O{} m } {% erratakeyvalues
\@errata@setvalue{cmdkeys/erratumlistitemtitle/.get=\@errata@tmp@itemtitle}%
\StrKeyFmtgetformattedef{listformats/erratumlistitemtitle}{\@errata@tmp@itemtitle}{\@errata@tmp@formatteditemtitle}%
\StrKeyFmtgetformatted{listformats/erratumlistitem}{\@errata@tmp@formatteditemtitle}{\@errata@tmplistitem}%
\protected@write\@errata@file{}%
{\string\erratumItem[#1][#2]{\@errata@tmplistitem}{#3}}%
}
\newif\if@errata@inbadenvironment
\newif\if@errata@inknownbadenvironment
%%
\NewDocumentCommand{\@erratum@checkenvironment}{}{%
\@errata@inknownbadenvironmentfalse%
\@errata@inbadenvironmentfalse%
%%
\ifinner%
\@errata@inknownbadenvironmenttrue%
\fi%
\ifmmode%
\@errata@inknownbadenvironmenttrue%
\fi%
\ifthenelse{\equal{\@currenvir}{tcb@savebox}}%
{\@errata@inknownbadenvironmenttrue}%
{}%
%%
\ifnumgreater{\value{@errata@environmenttestmode}}{0}%
{% At least 1, so lets consider any environment with \@captype dangerous
\ifx\@captype\@undefined%
\else%
\@errata@inbadenvironmenttrue%
\fi%
\ifnumequal{\value{@errata@environmenttestmode}}{2}%
{%
\ifthenelse{\equal{\@currenvir}{document}}%
{}{\@errata@inbadenvironmenttrue}%
}{}% End == 2
}{}% End > 0
}
\edef\emptyval{}%
%% Create the margin note
\NewDocumentCommand{\@errata@marginnote}{ O{\emptyval} m }{%
%% We use marginpar if we can, as it handles stacking multiple values vertically
\let\@errata@marginnote@cmd\marginpar%
%% If captype is defined, we're probably inside a float
\if@errata@inknownbadenvironment%
\let\@errata@marginnote@cmd\marginnote%
\fi
\if@errata@inbadenvironment%
\let\@errata@marginnote@cmd\marginnote%
\fi
%% If user provided argument 'usemarginnote', we use \marginnote macro
\protected@edef\@errata@tmp@marginshift{\@errata@getvalue{cmdkeys/usemarginnote}}%
\@errata@ifnotempty{\@errata@tmp@marginshift}{%
  \let\@errata@marginnote@cmd\marginnote%
  \renewcommand*{\marginnotevadjust}{\@errata@tmp@marginshift}%
}%
\StrKeyFmtgetformatted{marginfmt/marginnote}{{#1}+{#2}}{\@errata@tmp@marginfmtvalue}%
\@errata@marginnote@cmd{\@errata@tmp@marginfmtvalue}%
}
%% Do the pagelayout of the errata (inline changes, margin, and footnote)
\NewDocumentCommand{\@errata@dolayoutonpage}{ m m m m }{% type(a,r,d), original, change, errata-formatted-text
\ifboolexpr{test {\ifdomargin} }%
{\StrKeyFmtgetformatted{errformats/errfmt}{\@errata@hlinkerratumlist{\the@errata@erratum}{\arabic{@errata@erratum}}}{\@errata@tmpfmtvalue}%
  \protected@edef\@errata@tmp@marginargs{\@errata@getvalue{cmdkeys/marginargs}}%
  \@errata@marginnote[\@errata@tmp@marginargs]{\@errata@tmpfmtvalue}%
}{}%
%% Handle inline changes
\ifboolexpr{ bool{@errataOpt@inlinechanges} and
  test {\ifthenelse{\equal{\@errata@getvalue{cmdkeys/inlinechange}}{true}}} }%
{% Make inline change
%%\@errata@setvalues{lastcommandinlinevalue={#3}, inlinevalue={#3}}
  \@errata@setvalue{lastcommandinlinevalue={#3}}%
  \@errata@setvalue{inlinevalue={#3}}%
}%
{% Use original value
  \@errata@setvalue{lastcommandinlinevalue={#2}}%
  \@errata@setvalue{inlinevalue={#2}}%
}%
%% If trying to set lastcommandinlinevalue=inlinevalue here with
%% (\@errata@setvalue{lastcommandinlinevalue=\@errata@getvalue{inlinevalue}}%),
%% it adds an unwanted space to lastcommandinlinevalue for some reason. Therefore,
%% both lastcommandinlinevalue and inlinevalue are set to the same value separately.
%%
\ifboolexpr{ bool{@errataOpt@inlinemarks} and
  test {\ifthenelse{\equal{\@errata@getvalue{cmdkeys/inlinemark}}{true}}} }%
{% Use add inlinemark
  \@errata@setvalue{lastcommandinlinevalue={[]}}%
  \@errata@setvalue{inlinevalue/.prefix={[}}%
  \@errata@setvalue{inlinevalue/.append={]\ensuremath{_#1^{\arabic{@errata@erratum}}}}}%
}{}%
\protected@edef\@errata@tmp@dolabel{}%
\ifmmode% In math mode, we can't add a label
\eappto\@errata@tmp@dolabel{nolabel}%
\fi%
\@errata@htargeterratum[\@errata@tmp@dolabel][\@errata@getvalue{cmdkeys/label}]%
{\@errata@htargetname{\the@errata@erratum}}{\@errata@getvalue{inlinevalue}}%
%%
\ifboolexpr{test {\ifdofoot} }{%
  \protected@edef\@errata@tmp@footprefix{\arabic{\@errata@getvalue{footnoteprefix}}}% Expand the formatting code here, and not inside the footnote macro
  \expandafter\footnotetext\expandafter[\@errata@tmp@footprefix]%
  {{\@errata@getvalue{footnotebegin}}%
    \@errata@ifnotempty{#4}{#4}}%
}{}%
}%
%%
\errataset{%
  setcmdkeyvalue/.code={%
    %% Apply the registered formatter
    \errataset{#1/.cd, .@formatter}%
    %% Get the formatted output
    \errataset{#1/.@formatter/.@formatted/.get=\@errata@tmp@cmdkeyargs}%
    %% Update the cmdkey with the formatted output
    \@errata@setvalue{#1/.expand once=\@errata@tmp@cmdkeyargs}%
  },
  setcmdkeyvalues/.style={setcmdkeyvalue=cmdkeys/#1},
  setCmdKeyArgsGetTwo/.style n args={3}{%
    cmdkeys/#1/.setStrKeyWithDefFmt={#2}{#3}{%
      {{\@errata@getvalue{cmdkeys/##1}}+{\@errata@getvalue{cmdkeys/##2}}}}%
  },
  setCmdKeyArgsGetOne/.style n args={3}{%
    cmdkeys/#1/.setStrKeyWithDefFmt={#2}{#3}{{\@errata@getvalue{cmdkeys/##1}}},%
  },
}
%%
\errataset{%
  setCmdKeyArgsGetOne={pageref}{#1}{{uselabel}},
  cmdkeys/lineref/.setStrKeyWithDefFmt={#1}{}{\@errata@linenoname{\the@errata@erratum}},
  cmdkeys/erratumnamedlink/.setStrKeyWithDefFmt={#1}{}{%
    {{\@errata@getvalue{cmdkeys/uselabel}}+{\@errata@getvalue{cmdkeys/erratumname}}}},
%%  setCmdKeyArgsTwo={erratumnamedlink}{#1+#2}{{labelref}+{erratumname}},
  cmdkeys/erratumlistitemtitle/.setStrKeyWithDefFmt={#1}{defvalue}{%
    {{\@errata@getvalue{labelref}}+{\@errata@labelname}}},
  cmdkeys/erratumlisttarget/.setStrKeyWithDefFmt={#1}{}{{%
      \@errata@htargetlisttname{\the@errata@erratum}}},%
%%
  handleerratanamecmdkey/.code={%
    \StrKeyFmtgetformatted{errformats/errfmt}{\arabic{@errata@erratum}}{\@errata@erratumname}%
    \@errata@setvalues[cmdkeys/]{erratumname/.expand once={\@errata@erratumname}}%
  },
  handleactioncmdkeys/.code={%
    \@errata@setvalues{cmdkeys/actionid/.get=\@errata@tmp@actionid}%
    \@errata@ifelseempty{\@errata@tmp@actionid}{%
      \@errata@setvalues[cmdkeys/]{actiondescription={}}%
      \@errata@setvalues[cmdkeys/]{action={}}%
    }{%
      \@errata@setvalues{cmdkeys/actionargs/.get=\@errata@tmp@actionargs}%
      \StrKeyFmtgetformattedeo{actionformat/\@errata@tmp@actionid}{\@errata@tmp@actionargs}{\@errata@tmpfmtvalue}%
      \@errata@setvalues[cmdkeys/]{actiondescription/.expand once={\@errata@tmpfmtvalue}}%
      \StrKeyFmtgetformattedeo{actionidformat/\@errata@tmp@actionid}{}{\@errata@tmpfmtvalue}%
      \@errata@setvalues[cmdkeys/]{action/.expand once={\@errata@tmpfmtvalue}}%
    }%
  },
  handlelabelcmdkey/.code={%
    \@errata@setvalue{prevlabel=\@errata@labelname}%
    \@errata@setlabelref{}%
    \ifboolexpr{ test {\ifdorecord} }{%
      %% Compare current label with previous. Print only if not already printed
      \ifnumcomp{\value{@errata@uniquelistlabels}}{>}{0}%
      {% True
        \ifthenelse{\expandafter\equal{\@errata@lastuniquelabel}{\@errata@labelname}}%
        {\@errata@setvalue{labelname={}}% Hide the label, if it equals the previous label
          \@errata@setvalue{newlabelgroup={false}}}%
        {\@errata@setvalue{prevlabel/.expand once=\@errata@labelname}%
          \@errata@setvalue{lastuniquelabel/.expand once=\@errata@labelname}%
          \@errata@setvalue{newlabelgroup={true}}%
        }%
      }{\@errata@setvalue{prevlabel=\@errata@labelname}}%
    }{}%
  },
  handlecustomformatkeys/.code={%
    \@errata@ifnotempty{\@errata@getvalue{customformatkeys}}{%
      \pgfkeysalso{setcmdkeyvalues/.list={\@errata@getvalue{customformatkeys}}}%
    }%
  },
  commandarghandlers/.code={%
    \pgfkeysalso{%
      handleerratanamecmdkey,
      handlelabelcmdkey,
      setcmdkeyvalues/.list={pageref, lineref},
      setcmdkeyvalues/.list={erratumnamedlink, erratumlistitemtitle, erratumlisttarget},
      handleactioncmdkeys,
      handlecustomformatkeys,
    }%
  },
  addtoargstring/.code={%
    \protected@xappto\@errata@argsstring{, #1={\@errata@getvalue{cmdkeys/#1}}}%
  },
  addcustomkeystoargsstring/.code={%
    \@errata@ifnotempty{\@errata@getvalue{customformatkeys}}{%
      \pgfkeysalso{addtoargstring/.list={{\@errata@getvalue{customformatkeys}}}}%
    }%
  },
  addtoargsstring/.style={%
    addtoargstring/.list={actiondescription, action, pageref, lineref,
      erratumlistitemtitle, erratumnamedlink, erratumlisttarget},
    addcustomkeystoargsstring,
  },
}
%%
\NewDocumentCommand{\@erratum@cmdinit}{}{%
  \@erratum@setprevispace% Handle if there was a previous white space glue
  \@erratum@checkenvironment%
}
%% ARG1: cmddefaultargs string
%% ARG2: Key/Args from cmd
%% ARG3: extra Key/Args
\NewDocumentCommand{\@erratum@cmd}{ m m m } {%
\refstepcounter{@errata@erratum}%
\@errata@setcmdkeys[]{\@errata@formatkeys}% Reset all values
%% Apply the default args
\@errata@setvalues[cmdkeys/]{defaultargs, #1, uselabel={\@errata@htargetname{\the@errata@erratum}}}%
\@errata@setvalues[cmdkeys/]{#2, #3}%
%% Execute the command key handlers
\errataset{commandarghandlers}%
%% Define macro for the args string
\protected@edef\@errata@argsstring{#2}%
\@errata@ifnotempty{\@errata@argsstring}{%
  \eappto\@errata@argsstring{, }%
}%
\protected@eappto\@errata@argsstring{#3}%
%% Add rest of the arguments to \@errata@argsstring
\errataset{addtoargsstring}%
}
%%
%% Macros for handling spaces before and after macro call
%%
\newcommand\ifstrequalexpand{\expandafter\ifstrequal\expandafter}%
%%
%% Handle if space after macro call should be ignored
\NewDocumentCommand{\@erratum@handleprevisspace}{}{%
\ifhmode%
\ifboolexpr{ bool {@errata@prevspace} and test {\ifstrequalexpand{\lastcommandinlinevalue}{}} }{%
\ignorespaces}{}%
\fi%
}
%%
\newif\if@errata@prevspace
%%
\NewDocumentCommand{\@erratum@setprevispace}{}{%
\ifhmode%
\ifdim \lastskip=\z@%
\@errata@prevspacefalse%
\else%
\@errata@prevspacetrue%
\fi%
\fi%
}
%%
%% User commands for registering errata changes
%%
%% Macro for creating an Addition
%%
\NewDocumentCommand{\@erratum@Add}{ O{} m }{% keyvals, new
\@erratum@cmdinit%
{% Group is necessary here to handle cref reference format for label type `@errata@erratum'.
%% \@erratum@cmd must be within the group, as pgfkeys are group local
\@erratum@cmd{defaultargsadd}{#1}{actionid={add}, actionargs={#2}}%
\@errata@dolayoutonpage{a}{}{#2}{\@errata@FormatKeywords{footformats}{\@errata@argsstring}{\@errata@footformat}}%
\@errata@dorecord{listformats}{\@errata@listformat}{\@errata@argsstring}%
}%
%% Handle if the space after the macro call should be ignored
\@erratum@handleprevisspace%
}
%%
%% Macro for creating a Replacement
%%
\NewDocumentCommand{\@erratum@Replace}{ O{} m m }{% keyvals, old, new
\@erratum@cmdinit%
{% Group is necessary here to handle cref reference format for label type `@errata@erratum'.
%% \@erratum@cmd must be within the group, as pgfkeys are group local
\@erratum@cmd{defaultargsreplace}{#1}{actionid={replace}, actionargs={#3+#2}}%
\@errata@dolayoutonpage{r}{#2}{#3}{\@errata@FormatKeywords{footformats}{\@errata@argsstring}{\@errata@footformat}}%
\@errata@dorecord{listformats}{\@errata@listformat}{\@errata@argsstring}%
}%
%% Handle if the space after the macro call should be ignored
\@erratum@handleprevisspace%
}
%%
%% Macro for creating a Deletion
%%
\NewDocumentCommand{\@erratum@Delete}{ O{} m }{% keyvals, removed
\@erratum@cmdinit%
{% Group is necessary here to handle cref reference format for label type `@errata@erratum'.
%% \@erratum@cmd must be within the group, as pgfkeys are group local
\@erratum@cmd{defaultargsdelete}{#1}{actionid={delete}, actionargs={#2}}%
\@errata@dolayoutonpage{d}{#2}{}{\@errata@FormatKeywords{footformats}{\@errata@argsstring}{\@errata@footformat}}%
\@errata@dorecord{listformats}{\@errata@listformat}{\@errata@argsstring}%
}%
\@erratum@handleprevisspace%
}
%%
%% Macro for creating a Note entry
%%
\NewDocumentCommand{\@erratum@Note}{ O{} m }{% keyvals, message
\@erratum@cmdinit%
{% Group is necessary here to handle cref reference format for label type `@errata@erratum'.
%% \@erratum@cmd must be within the group, as pgfkeys are group local
\@erratum@cmd{defaultargsnote}{#1}{actionid={note}, actionargs={#2}}%
\@errata@dolayoutonpage{n}{}{#2}{\@errata@FormatKeywords{footformats}{\@errata@argsstring}{\@errata@footformat}}%
\@errata@dorecord{listformats}{\@errata@listformat}{\@errata@argsstring}%
}%
%% Handle if the space after the macro call should be ignored
\@erratum@handleprevisspace%
}
%% Define with mandatory description argument if the requirecmddescription option is true
\if@errataOpt@requirecmddescription
\NewDocumentCommand{\erratumAdd}{ O{} m m }{% keyvals, description, new
  \@erratum@Add[#1,description={#2}]{#3}}%
\NewDocumentCommand{\erratumReplace}{ O{} m m m }{% keyvals, description, old, new
\@erratum@Replace[#1,description={#2}]{#3}{#4}}%
\NewDocumentCommand{\erratumDelete}{ O{} m m }{% keyvals, description, removed
  \@erratum@Delete[#1,description={#2}]{#3}}%
\NewDocumentCommand{\erratumNote}{ O{} m m }{% keyvals, description, note
  \@erratum@Note[#1,description={#2}]{#3}}%
%% And define without description if the requirecmddescription option is false
\else
\let\erratumDelete\@erratum@Delete
\let\erratumAdd\@erratum@Add
\let\erratumReplace\@erratum@Replace
\let\erratumNote\@erratum@Note
\fi
\endinput
%%
%% End of file `errata.sty'.