func FormatNumberingText(currentNumber int64, ilvl int64, lvlText string, numFmt *wml.CT_NumFmt, levelNumbers map[int64]int64) string
FormatNumberingText format item numbering text.
func StringToNumbers(str string) (int, bool)
StringToNumbers returns number only as integer from string. This a modified golang `strconv.Atoi` which ignores string and returns int and bool if successfully get int from the string.