Fix typo in regex for subscripts.

diff --git a/pret-lam.lua b/pret-lam.lua
index 97a53761a9247af6f11d76b4ebe721f431a99967..12fa94ec89c5f2cc6d1b8e5afe6b9358aca29f7a 100644 (file)
--- a/pret-lam.lua
+++ b/pret-lam.lua
@@ -108,7 +108,7 @@ local function do_subscripts(word)
             submatches[#submatches+1] = "^(" .. base .. ")([%a%d])$"
             -- Seconde, the base with a longer prefix that includes at least
             -- one of +-, (to catch things like ri+1, but not return).
-            submatches[#submatches+1] = "^(" .. base .. ")([%a%d]*[%-%+%,]+[%a%d%-%+%,]*)$"
+            submatches[#submatches+1] = "^(" .. base .. ")([%a%d]*[%-%+,]+[%a%d%-%+,]*)$"
         end
     end
     return word