Modifying author affiliations code to enable inclusion of multiple afiliations per author

Question

I found this question: Authblk for chapters? - Author and affiliations per chapter which defines a very nice framework for including author affiliations in chapters in a TeX document. I want to tweak it slightly, to allow the optional inclusion of more than one affiliation per author.

I managed to do it by defining \chapterauthormulti like so:

\makeatletter
\def\chapterauthormulti[#1][#2]#3{\ifnewauthor\sffamily\else, \fi
       #3\textsuperscript{\hyperref[authaffil\the\value{chapter}.#1]{#1},}%
         \textsuperscript{\hyperref[authaffil\the\value{chapter}.#2]{#2}}%
       \ifnewauthor\newauthorfalse\gdef\chapterauthors{#2}\else
               \g@addto@macro\chapterauthors{, #2}\fi
       \ifnewauthor\newauthorfalse\gdef\chapterauthors{#2}\else
               \g@addto@macro\chapterauthors{, #3}\fi
       \ignorespaces % to remove end of line spaces from
                     % \chapterauthor[foo]{bar} input lines
}
\makeatother

which allows me to add up to 2 affiliations and can be generalized in a straightforward is bulky way to more. This works, but seems very inelegant. Is there a cleaner way to modify that example to allow an arbitrary (within reason) number of affiliations to be added to each author in a single definition?

score 1 · Accepted Answer · edited Apr 04 '18 at 15:13

I'm not sure I'm 100% sure what you're looking for. But if I understand correctly, you can use a comma separated list.

First

\usepackage{etoolbox}

Next, taking the code from your linked answer, modify the definition of \chapterauthor

\makeatletter
\def\chapterauthor[#1]#2{\ifnewauthor\else, \fi
   #2\affilscripts{#1}%<- Change is here
   \ifnewauthor\newauthorfalse\gdef\chapterauthors{#2}\else
           \g@addto@macro\chapterauthors{, #2}\fi
   \ignorespaces
}
\makeatother

Then write a separate macro \affilscripts to print the superscripts

\newcommand{\affilscripts}[1]{%
  \let\supsep\relax
  \ifundef{\do}{\newcommand{\do}[1]{}}{}%
  \renewcommand*{\do}[1]{%
    \textsuperscript{\supsep%
     \hyperref[authaffil\the\value{chapter}.##1]
      {##1}}\def\supsep{,~}}%
  \docsvlist{#1}%
}

(Incidentally -- there's something odd here. It shouldn't need the \ifundef{}{}{}, but for some reason that I couldn't be bothered to track down, I was receiving "complaints" about \do being undefined, which I had to silence. It does no harm, but it's ugly. I'm probably messing up groups or something, as I often do.)

Then, say

\chapterauthor[1,2]{Jane Doe}

Will produce "Jane Doe" with superscript "1, 2", hyperlinked to the list of affiliations. You can have as many as you want.

Note that the \chapterauthor command you define needs to be enclosed in \makeatletter and \makeatother to work — KBriggs, Apr 04 '18 at 15:05

Modifying author affiliations code to enable inclusion of multiple afiliations per author

1 Answers1