artist-compute-line-char

artist-compute-line-char is a compiled Lisp function in `artist.el'.

(artist-compute-line-char)

Compute which character to use for lines, if any.
Return value is either nil for the default characters that make up lines, or
a character chosen depending on the variables `artist-borderless-shapes',
`artist-fill-char-set', `artist-fill-char' and
`artist-line-char-set' and `artist-line-char'.