 Because the character glyph is not found on typewriters and did not exist in most fonts until the widespread adoption of Unicode, the Squamish orthography still conventionally represents the glottal stop with the number symbol "; the same character glyph is also used as a digit to represent the number seven.The other special character is a stress mark, or accent (á, é, í or ú).This indicates that the vowel should be realized as louder and slightly longer.