From c3183d6ff7714d6a13c4ae019d94b58ccc27b1e1 Mon Sep 17 00:00:00 2001
From: Oscar Dowson <odow@users.noreply.github.com>
Date: Sat, 7 Oct 2023 15:46:26 +0200
Subject: [PATCH] Fix text/latex printing of Interval sets (#3537)

---
 src/print.jl       | 2 +-
 test/test_print.jl | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/print.jl b/src/print.jl
index 521f1b860d2..c48269fafb1 100644
--- a/src/print.jl
+++ b/src/print.jl
@@ -741,7 +741,7 @@ end
 
 function in_set_string(::MIME"text/latex", set::MOI.Interval)
     lower, upper = _string_round(set.lower), _string_round(set.upper)
-    return string("\\in \\[", lower, ", ", upper, "\\]")
+    return string("\\in [", lower, ", ", upper, "]")
 end
 
 function in_set_string(mode::MIME"text/plain", set::MOI.Interval)
diff --git a/test/test_print.jl b/test/test_print.jl
index faae676ec67..761f5776e69 100644
--- a/test/test_print.jl
+++ b/test/test_print.jl
@@ -502,8 +502,7 @@ function test_extension_printing_scalaraffinefunction_constraints(
     @test sprint(show, "text/latex", linear_le) == "\$\$ x \\leq 1 \$\$"
     @test sprint(show, "text/latex", linear_ge) == "\$\$ x \\geq 1 \$\$"
     @test sprint(show, "text/latex", linear_eq) == "\$\$ x = 1 \$\$"
-    @test sprint(show, "text/latex", linear_range) ==
-          "\$\$ x \\in \\[-1, 1\\] \$\$"
+    @test sprint(show, "text/latex", linear_range) == "\$\$ x \\in [-1, 1] \$\$"
     @test sprint(show, "text/latex", linear_noname) == "\$\$ x \\leq 1 \$\$"
     return
 end
@@ -963,4 +962,9 @@ function test_print_model_with_huge_integers()
     return
 end
 
+function test_print_text_latex_interval_set()
+    @test in_set_string(MIME("text/latex"), MOI.Interval(1, 2)) == "\\in [1, 2]"
+    return
+end
+
 end