From a5040429be9a2dfac01a8086da6a684b31d7e388 Mon Sep 17 00:00:00 2001
From: Clemens Niederberger <contact@mychemistry.eu>
Date: Thu, 3 Mar 2022 19:06:58 +0100
Subject: [PATCH] fix issue #49

---
 code/chemmacros.lang.code.tex   | 1 +
 code/chemmacros.phases.code.tex | 2 +-
 code/chemmacros.sty             | 3 ++-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/code/chemmacros.lang.code.tex b/code/chemmacros.lang.code.tex
index 65d2b90..b37fec6 100644
--- a/code/chemmacros.lang.code.tex
+++ b/code/chemmacros.lang.code.tex
@@ -92,6 +92,7 @@
       {#3}
     \prop_gput:Nnn \g_chemmacros_translations_prop {#1(#2)} {#3}
   }
+\cs_generate_variant:Nn \chemmacros_declare_translation:nnn {V}
 
 % #1: key
 % #2: csv list: { <lang1> = <translation1> , <lang2> = <translation2> }
diff --git a/code/chemmacros.phases.code.tex b/code/chemmacros.phases.code.tex
index 9112d54..5174910 100644
--- a/code/chemmacros.phases.code.tex
+++ b/code/chemmacros.phases.code.tex
@@ -38,7 +38,7 @@
   {
     \mode_leave_vertical:
     \bool_if:NTF \l__chemmacros_phases_sub_bool
-      { \chemmacros_formula:n { {}_{(#1)} } }
+      { \ensuremath { \c_math_subscript_token { \chemmacros_text:n { (#1) } } } }
       {
         \skip_horizontal:N \l__chemmacros_phases_space_dim
         \chemmacros_text:n { (#1) }
diff --git a/code/chemmacros.sty b/code/chemmacros.sty
index df085d2..1bb6c30 100644
--- a/code/chemmacros.sty
+++ b/code/chemmacros.sty
@@ -1132,6 +1132,7 @@
       {#3}
     \prop_gput:Nnn \g_chemmacros_translations_prop {#1(#2)} {#3}
   }
+\cs_generate_variant:Nn \chemmacros_declare_translation:nnn {V}
 
 % #1: key
 % #2: csv list: { <lang1> = <translation1> , <lang2> = <translation2> }
@@ -1858,7 +1859,7 @@
   {
     \mode_leave_vertical:
     \bool_if:NTF \l__chemmacros_phases_sub_bool
-      { \chemmacros_formula:n { {}_{(#1)} } }
+      { \ensuremath { \c_math_subscript_token { \chemmacros_text:n { (#1) } } } }
       {
         \skip_horizontal:N \l__chemmacros_phases_space_dim
         \chemmacros_text:n { (#1) }