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["Pablo S. Casas" <address@hidden>]

Hi TeXmacs users:

   I'm using TeXmacs-1.0.7.10 and I'm trying to write a macro "duda"
like this:

  <new-remark|dudaux|Duda>

  <assign|mostrar-dudas|false>

  <assign|nada|>

  <assign|duda|<\macro|texto>
    <compound|<if|<mostrar-dudas>|dudaux|nada>|<arg|texto>>
  </macro>>

   It shows a remark when "mostrar-dudas = true" and hides the remark
when it is false. My problem is when "mostrar-dudas = false" that the
macro introduces a new line starting a new paragraph. Is there a way
for not introducing not even a single piece of text? I've tried many
variants without success. I also have attempted with folding, but
likewise they add at least one line when they are hidden. I appreciate
any help on this simple, but annoying problem.

                                        Pablo S. Casas