Tex4ht searches these fonts in the working directory and in the following optional directories.
- In the directory holding the executable
tex4ht (only in DOS).
- The directory named in the command line of tex4ht, identified with the prefix `
- The directory identified with the character `
i' in the tex4ht.env file.
- The directory whose name is encoded into tex4ht during compilation time, within a string
"..." fed into the
variable HTFDIR of tex4ht.c.