In contemporary usage, some speakers do use a complementizer kè, influenced by French que:
• I di kè i ké vin.
[3SG say that 3SG FUT come]
'He said he will come.'
Source: Ludwig et al. 2001: 86
Source: Ludwig et al. 2001: 81
Source: Ludwig 1996: 349
Source: Ludwig 1996: 348