Brunei–Malaysia border 1901 (ceded to the British North Borneo Company which subsequently transferred the territory to Sarawak in 1904). The treaty between the Sultanate and Britain in 1888, which resulted in Brunei becoming a British Protectorate, did not manage to halt the loss of territory. The annexation of the Baram, Trusan and Limbang areas resulted in the current borders of Brunei, with the Limbang annexation, which Brunei had continuously refused to recognise, fragmenting the Sultanate into two non-contiguous territories. Malaysia inherited these borders with Brunei when Sarawak, which had also become a British Protectorate in 1888 and subsequently a Crown Colony after
Languages of Brunei specified, it is generally assumed to be a variety of Standard Malay that is similar to the standard varieties promoted in Malaysia and Indonesia. In fact, the use of Standard Malay and Brunei Malay can be described under the concept of diglossia, with Standard Malay taking the H(igh) role and being used in formal domains such as teaching and official speeches, while Brunei Malay functions in a L(ow) role, being used in informal domains such as between friends and in local shops. In terms of pronunciation, the Standard Malay of Brunei is rhotic, so there is an [r] at the