R plugin repeating the input at the start of associated output field

#1

With the R plugin, every output field starts with repeating the content of the associated output field. I find this very distracting, is there any way to avoid this?

#2

I did not understand your question. Could you make an example or rephrase it?

#3

This is how it looks for me

image

#4

And this is how it looks for me
TeXmacs-R-plugin
There was a typo in my question; I meant to say “every output field starts with repeating the associated input”. I am using TeXmacs 2.1.4.

#5

I am also using 2.1.4 (Debian 1:2.1.4+ds-3).
It is puzzling. Let us see if anyone has an idea.

#6

It turns out additional input string at the start of output cell comes from pty echoing back the input sent to R by TeXmacs. Even though there is multiple places in tm_r.c where echo is turned off using tcsetattr(), there’s even more places where this is commented out. Uncommenting line 966 in the function main()

termi.c_lflag &= ~ECHO  ; /* no echo */

solves the problem.

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