Romansh language change, speakers will slowly become fewer and fewer with each generation. He also concludes however, that there are still enough speakers to ensure that Romansh will survive in the long term at least in certain regions. He considers the Romansh-language school system to be the single most crucial factor in this. Romansh has up to 26 consonant phonemes. Two are only found in some varieties, and one is found only in loanwords borrowed from German. Notes: The voiced obstruents are fully voiced in Romansh and voiceless ones are non-aspirated, in contrast to Swiss German with which Romansh is in extensive
Romansh language speakers, but the regional varieties could continue to be used when addressing a single region or municipality. In schools, Rumantsch Grischun was not to replace the regional dialects but only be taught passively. The compromise was largely accepted by both sides. A further recommendation in 1999, known as the "Haltinger concept", also proposed that the regional varieties should remain the basis of the Romansh schools, with Rumantsch Grischun being introduced in middle school and secondary school. The government of Grisons then took steps to strengthen the role of Rumantsch Grischun as an official language. Since the cantonal constitution explicitly named