From 01371f9ad227662048efbcee037cd7f459caf94c Mon Sep 17 00:00:00 2001
From: Herman Sletmoen <hermansletmoen@gmail.com>
Date: Fri, 13 Dec 2024 15:19:24 +0100
Subject: [PATCH] Preserve latex variable metadata for callable variables

---
 src/latexify_recipes.jl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/latexify_recipes.jl b/src/latexify_recipes.jl
index 7b0cd762a..a9a49d4e7 100644
--- a/src/latexify_recipes.jl
+++ b/src/latexify_recipes.jl
@@ -244,6 +244,10 @@ function _toexpr(O)
         end
         return Expr(:call, :_integral, _toexpr(lower), _toexpr(upper), vars, _toexpr(integrand))
     elseif symtype(op) <: FnType
+        # Preserve latex metadata field when `x(t)` becomes `x`
+        if hasmetadata(O, VariableLatex)
+            op = setmetadata(op, VariableLatex, getmetadata(O, VariableLatex))
+        end
         isempty(args) && return nameof(op)
         return Expr(:call, _toexpr(op), _toexpr(args)...)
     elseif op === getindex && symtype(args[1]) <: AbstractArray