Trim a text to a maximum length

Input parameters:

1. Tx → Text to trim.
2. Lm → Maximum allowed character count.
3. Mt → Trimming method.
   • 0 → Trim Start
   • 1 → Trim End
   • 2 → Trim Middle
   • 3 → Ellipsis Start
   • 4 → Ellipsis End
   • 5 → Ellipsis Middle
   • 6 → Quote Start
   • 7 → Quote End

Output parameters:

1. Tx → Trimmed text.