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,]+)$", "^(%a+)([%d,]+)$"}
+ 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.