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Using the glossaries and glossary-longragged packages (In a memoir document) as well as a custom style I found by Googling:

\newglossarystyle{dottedlocations}{%
    \glossarystyle{list}%
    \renewcommand*{\glossaryentryfield}[5]{%
    \item[\glsentryitem{##1}\glstarget{##1}{##2}] 
            \emph{##3}\ignorespaces\unskip\leaders\hbox to 2.9mm{\hss.}\hfill##5}%
            \renewcommand*{\glsgroupskip}{}%
     }
    \glossarystyle{dottedlocations}

(Source)

My problem is that several of my abbreviations are used rather often, which makes the \leaders sometimes repeat the \hss. zero times, as demonstrated below for polydopamine:

enter image description here

I tried to insert a few dots manually before the \leaders, which lead to the appearance of a gap between those dots and the leaders. So the question is: Is there a way to force a \leaders to repeat a following \hbox a certain minimum of times? i.e. is there a way to force the \leaders to repeat the \hbox at least three times before expanding if there is a need?

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The V
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    Just a remark on the code: \ignorespaces does exactly nothing. Its function is to expand the next token repeatedly until an unexpandable token remains; if it is a space it is gobbled and the procedure restarts from the next token, otherwise it stops. Since \unskip is unexpandable, the procedure stops immediately and nothing is done. – egreg Jun 06 '14 at 19:55

1 Answers1

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Use \leaders\hbox to2.9mm{\hss.\hss}\hskip 2.9mm plus1fill instead your \leaders construction.

The \hfill is equivalent to \hskip 0pt plus1fill but you need to have some minimal space everywhere, such as 2.9mm in my example.

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