uc(): remove unnecessary braces

1 files changed, 4 insertions, 0 deletions

diff --git a/arabluatex.lua b/arabluatex.lua
index c0e9042..5449689 100644
--- a/arabluatex.lua
+++ b/arabluatex.lua
@@ -1100,6 +1100,10 @@ function uc(str)
    for i = 1,#lcuc do
       str = string.gsub(str, "(%s[%(%<%[]?)"..lcuc[i].a, "%1"..lcuc[i].b)
    end
+   str = gsub(str, -cmd * bcbraces, function(body)
+                         body = string.sub(body, 2, -2)
+                         return string.format("%s", body)
+   end)
    if export_utf == "yes" then
       tofile = str
       tooutfile(tofile)