holding on to a rope vs. holding onto a rope

[GoodTaste]

Are "holding on to a rope" and "holding on to a rope" interchangeable? There seems to be a nuance that I can't tell.

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When I read "rappelling means the act of going down a very steep slope by holding on to a rope that is fastened to the top of the slope" to Microsoft Translator, it shows "...holding onto a rope..." (in addition to this, "repelling" should have been "rappelling" - but that is not the question of this thread):

Click to enlarge

 

[GoesStation]

Are "holding on to a rope" and "holding on to a rope" interchangeable? There seems to be a nuance that I can't tell.

======================
When I read "rappelling means the act of going down a very steep slope by holding on to a rope that is fastened to the top of the slope" to Microsoft Translator, it shows "...holding onto a rope..." (in addition to this, "repelling" should have been "rappelling" - but that is not the question of this thread):

View attachment 3871 Click to enlarge

We're done with MS Translator questions. You're welcome to pose a question about "holding onto" versus "holding on to" in another thread that doesn't mention that service.

Thread closed.