Thank you for reporting this issue on GitHub, I have just pushed a few lines to the master
branch which introduced two new options to tweak the caption if the table was split. Quick example:
Update the default caption of split tables without specified captions:
> panderOptions('table.continues', 'Continuará') > pander(mtcars)
Update affix concatenated to user specified caption if the table was split:
> panderOptions('table.continues.affix', '(continuará)') > set.caption('MTCARS') > pander(mtcars)
Please install the most recent version of pander
and verify if this update would work for you - and sorry for the above lame examples, please note that unfortunately I do not speak Spanish.
PS: I have not touched the Table:
prefix as that seems to be specified in Pandoc's syntax which is to be removed by Pandoc automatically anyway when the conversion to some other document format is being done: please see the relevant docs. But if you would find a new options about this latter too, I would happily add that to the package in a jiffy.