thanks to Sean D'Epagnier.

* Use that in the SLang driver so that it supports UTF-8 input.

an explicit cast.

from an alternate directory (they failed to find common.h).

int which shall be used as an UTF-32 character. We do not have any casting
    problems due to the signedness of chars because all characters were
    ASCII (ie. <= 0x7f) beforehands.

better performances.

the save/load cursor position trick to ignore them.

the canvas to 80 columns.

arguments are at least 32 bits.

SVG exporters.

text.

really looks like brown and not like desaturated yellow.

built-in font so that we now cover all of CP437.

background.

a file and a memory area into a libcucul buffer.
  * Changed the cucul_import_canvas() prototype so that it uses libcucul
    buffers instead of simple memory areas.

sequences longer than 100 characters.
  * Documented the escape sequence format.

intermediate bytes.