(find-coding-systems-for-charsets (find-charset-string "test êãõëå"))
(iso-latin-1 iso-2022-jp-2 x-ctext iso-2022-7bit iso-2022-7bit-lock iso-2022-8bit-ss2 emacs-mule raw-text thai-tis620-with-esc tibetan-iso-8bit-with-esc lao-with-esc korean-iso-8bit-with-esc japanese-iso-8bit-with-esc in-is13194-devanagari-with-esc chinese-iso-8bit-with-esc iso-latin-5-with-esc hebrew-iso-8bit-with-esc greek-iso-8bit-with-esc cyrillic-iso-8bit-with-esc iso-latin-4-with-esc iso-latin-3-with-esc iso-latin-2-with-esc iso-latin-1-with-esc compound-text iso-2022-7bit-ss2)