Question juridique clé
Whether the wife's spousal maintenance should be indexed to the cost of living.
Solution extraite
Yes. The maintenance must be indexed each 1 January to the November Swiss CPI, unless the husband proves by document that his income did not follow inflation, or only partly did.
Motifs extraits
The cantonal court omitted the indexation clause without explanation. Under Art. 128 CC, indexation is appropriate when the debtor's income can be expected to track the cost of living.