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I am using expex package to list linguistic examples, but have no idea about how to connect two elements within an example via lines.

Here's the initial code for the example:

**\pex
\a \rightcomment{crossing NP-Num.CL links}*NP\textsubscript{k}...NP\textsubscript{m}...Num-CL\textsubscript{k}...Num-CL\textsubscript{m}
\a \rightcomment{nested NP-Num.CL links}*NP\textsubscript{k}...NP\textsubscript{m}...Num-CL\textsubscript{m}...Num-CL\textsubscript{k}
\a \rightcomment{non-crossing/nested NP-Num.CL links}*NP\textsubscript{k}...NP\textsubscript{k}...Num-CL\textsubscript{m}...Num-CL\textsubscript{m}
\xe**

I also attached a screenshot that shows what lines I need.enter image description here

cfr
  • 198,882
Kelvin Hu
  • 1
  • Use the movement-arrows package. – Alan Munn Dec 16 '23 at 02:42
  • Welcome to TeX.se. For future questions please do not post fragments of code. Instead turn the fragment into a complete compilable document that people can play with. – Alan Munn Dec 16 '23 at 03:08
  • Thanks for your reminder. While using movement-arrows package, my TexShop shows that `movement-arrows.sty' not found. How should I fix this? – Kelvin Hu Dec 16 '23 at 05:08
  • You need a current year TeXLive updated, since the package is quite new. If you can't update to the current year MacTeX, then you will have to install the package manually from CTAN. If you do this it should be installed in: ~/Library/texmf/tex/latex/movement-arrows but I would recommend just updating your whole distribution since that way you'll get updates to the package automatically. – Alan Munn Dec 16 '23 at 05:46

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