From bde8cbd0aa7ad14425b1c00f836263baeca93855 Mon Sep 17 00:00:00 2001
From: Chris Rackauckas <accounts@chrisrackauckas.com>
Date: Thu, 19 Aug 2021 05:20:20 -0400
Subject: [PATCH] Fix some downstream Symbolics 3 compatibility issues

---
 src/parse.jl | 2 +-
 src/utils.jl | 9 ---------
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/src/parse.jl b/src/parse.jl
index b7d8e85..8a0b561 100644
--- a/src/parse.jl
+++ b/src/parse.jl
@@ -73,7 +73,7 @@ parse a <ci> node
 function parse_ci(node)
     # c = Symbol(Meta.parse(strip(node.content)))    
     c = Symbol(string(strip(node.content)))
-    Num(Variable(c))
+    (@variables $c)[1]
 end
 
 ########## Parse piecewise ###################################################
diff --git a/src/utils.jl b/src/utils.jl
index 7435d92..89e3d9c 100644
--- a/src/utils.jl
+++ b/src/utils.jl
@@ -20,15 +20,6 @@ function mathml_to_nums(xml::EzXML.Document)
     mathml_to_nums(doc_root)
 end
 
-function mathml_to_nums(node::EzXML.Node)
-    namespace(node) != mathml_ns && error("need to provide mathml node")
-    cs = findall("//x:ci/text()", node, ["x" => mathml_ns])
-    vars = @. Symbol(strip(string(cs)))
-    unique!(vars)
-    @. Num(Variable{Symbolics.FnType{Tuple{Any},Real}}(vars))
-end
-
-
 """
     extract_mathml()