Allow single digit subscripts again.

Accidentally got disabled a while back.

diff --git a/pret-lam.lua b/pret-lam.lua
index e72bf2c6d6120cd2a612e393751016c81f9dbaa9..88e39246772b02766cd5580312f92f65b3763dca 100644 (file)
--- a/pret-lam.lua
+++ b/pret-lam.lua
@@ -209,7 +209,7 @@ function vis.begin_of_display()
     if in_block == 0 then
         -- Initially allow subscripts using _ or just appending a number (later,
         -- we will add extra patterns here.
-        submatches = {"^(%a*)_([%a%d,]+)$", "^(%a+)(%d[%d,]+)$"}
+        submatches = {"^(%a*)_([%a%d,]+)$", "^(%a+)(%d[%d,]*)$"}
         -- This stores all the bases we've encountered so far (to prevent
         -- duplicates). For each of them there will be a pattern in submatches
         -- above.