From fd09d257ff97f2921b9d81a2bf9ff3e5a2e699d3 Mon Sep 17 00:00:00 2001
From: "S. Gilles" <sgilles@math.umd.edu>
Date: Fri, 21 Sep 2018 08:44:38 -0400
Subject: [PATCH] And \; is a control sequence as well.

---
 llf.lua             | 2 +-
 tests/28.input.tex  | 6 ++++++
 tests/28.output.tex | 5 +++++
 3 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100644 tests/28.input.tex
 create mode 100644 tests/28.output.tex

diff --git a/llf.lua b/llf.lua
index f4c9d5c..15cd99c 100755
--- a/llf.lua
+++ b/llf.lua
@@ -87,7 +87,7 @@ texish = P{
                            Cg((P(1) - #P"%}noformat\n")^0, "content") *
                            Cg("%}noformat", "endbit") * #P"\n") + 
                           constructed_verbatims),
-        specialcontrol = Ct(P"\\" * Cg(S"\\ \n%,:\"\'-{}$^_`~#&[]()!", "name")),
+        specialcontrol = Ct(P"\\" * Cg(S"\\ \n%,:;\"\'-{}$^_`~#&[]()!", "name")),
         word = S"[]" + (1 - S(" \t\n\v\\%{}[]"))^1,
         wordnb = (1 - S(" \t\n\v\\%{}[]"))^1,
         subbody = Ct(Cg(P"{", "l") * Cg(V"body", "body") * Cg(P"}", "r")) +
diff --git a/tests/28.input.tex b/tests/28.input.tex
new file mode 100644
index 0000000..61badd8
--- /dev/null
+++ b/tests/28.input.tex
@@ -0,0 +1,6 @@
+\documentclass{revtex4-1}
+
+\begin{document}
+$$S(x)_2 =\;$$
+\end{document}
+
diff --git a/tests/28.output.tex b/tests/28.output.tex
new file mode 100644
index 0000000..79cd60b
--- /dev/null
+++ b/tests/28.output.tex
@@ -0,0 +1,5 @@
+\documentclass{revtex4-1}
+
+\begin{document}
+  $$S(x)_2 =\;$$
+\end{document}
-- 
2.11.4.GIT