test symbols test changing ids of inlined markup. And one more. xxtest changing ids of inlined markup. And one more.xx test changing ids of units themseves. xxtest changing ids of units themseves.xx test changing the text 1. xxtest changing the text 1.xx test no change. xxtest no change.xx test no change. test removing some tags. xxtest removing some tags.xx test adding attributes. xxtest adding attributes.xx test preserving alt-trans. test notes the test phrase phrase de l'essai un test expression test preserving alt-trans when text is changed 1. xxtest preserving alt-trans when text is changed 1.xx test notes the test phrase phrase de l'essai un test expression test text removal. xxtest text removal.xx test inline position change. test inline position change. mrk preserving test: seg1seg2 huh? mrk1test: seg2 xxmrk1test: seg2xx