<num> elements parse inconsistently

[tla]

Sometimes the num element is in the lit field, and sometimes it's in the token context, and sometimes it incorrectly wraps the token content, e.g.

 <num value="401">.ն՟. <lb xml:id="l101362938" n="15"/>և .ա՟</num>ին. 
---
{
  "n": "401ին",
  "t": "Ն և ԱԻՆ",
  "lit": ".ն՟. և .ա՟ին",
  "page": {
    "n": "192r"
  },
  "line": {
    "xml:id": "l101362937",
    "n": "14"
  },
  "context": "text/body/ab/num[3]",
  "display": ".ն՟. և .ա՟ին"
}