Display linear/multiplicity arrows correctly (#1238)

Previously we were ignoring multiplicity and displayed
a %1 -> b as a -> b.

(cherry picked from commit b4b4d896d2d68d6c48e7db7bfe95c185ca0709cb)

1 files changed, 30 insertions, 0 deletions

diff --git a/latex-test/ref/LinearTypes/LinearTypes.tex b/latex-test/ref/LinearTypes/LinearTypes.tex
new file mode 100644
index 00000000..cb583ca8
--- /dev/null
+++ b/latex-test/ref/LinearTypes/LinearTypes.tex
@@ -0,0 +1,30 @@
+\haddockmoduleheading{LinearTypes}
+\label{module:LinearTypes}
+\haddockbeginheader
+{\haddockverb\begin{verbatim}
+module LinearTypes (
+    unrestricted, linear, poly
+  ) where\end{verbatim}}
+\haddockendheader
+
+\begin{haddockdesc}
+\item[\begin{tabular}{@{}l}
+unrestricted :: a -> b
+\end{tabular}]
+{\haddockbegindoc
+Does something unrestricted.\par}
+\end{haddockdesc}
+\begin{haddockdesc}
+\item[\begin{tabular}{@{}l}
+linear :: a {\char '45}1 -> b
+\end{tabular}]
+{\haddockbegindoc
+Does something linear.\par}
+\end{haddockdesc}
+\begin{haddockdesc}
+\item[\begin{tabular}{@{}l}
+poly :: a {\char '45}m -> b
+\end{tabular}]
+{\haddockbegindoc
+Does something polymorphic.\par}
+\end{haddockdesc}
\ No newline at end of file