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Hello

Very often when compiling a latex exportation (from texmacs)
I get :

Double subscript.
l.448 ...on coûteuse (intégrer sur $Y \ominus Y_i_{}$). Nous
                                              error here

correct generation should be Y_{i_{}}
but when the sub-subscript is empty it generates Y_i_{}
I guess i sometimes type "_" and changing my mind put nothing as
subscript, but it is not easy viewable in texmacs interface (and i think
it shouldn't be viewable), does someone already has the same problem ?

Does this kind of thing can easily be patched by a programmer (i mean me)
quickly (on latex generation or texmacs tree directly) without large
knowlegde about texmacs internal ?

Bye