Both Revised Standard Version and Good News Bible insert a paragraph break here, which we recommend.

Then all the friends of Judas assembled and said to Jonathan: The friends of Judas are not simply Judas’ personal friends, but men who had fought with him and supported the resistance movement Judas had led, so Contemporary English Version says “The followers of Judas.”

Quoted with permission from Bullard, Roger A. and Hatton, Howard A. A Handbook on 1-2 Maccabees. (UBS Helps for Translators). New York: UBS, 2011. For this and other handbooks for translators see here.