Pacify ‘make check_character_set’

* tz-art.htm: Convert to ASCII.

tz-art.htm

@@ -376,12 +376,13 @@ <h2>Music</h2>
 <tr><td>&nbsp;</td></tr>
 
 <tr><td>Artist</td><td>Jaime Guevara</td></tr>
-<tr><td>Song</td><td><a href="https://www.youtube.com/watch?v=ZfN4Fe_A50U">Qué
+<tr><td>Song</td><td><a
+href="https://www.youtube.com/watch?v=ZfN4Fe_A50U">Qu&eacute;
 hora es</a></td></tr>
 <tr><td>Date</td><td>1993</td></tr>
 <tr><td>Total Time</td><td>3:04</td></tr>
 <tr><td>Notes</td><td>The song protested "Sixto Hour" in Ecuador
-(1992&ndash;3). Its lyrics include "Amanecía en mitad de la noche, los
+(1992&ndash;3). Its lyrics include "Amanec&iacute;a en mitad de la noche, los
 guaguas iban a clase sin sol" ("It was dawning in the middle of the
 night, the buses went to class without sun").
 <tr><td>&nbsp;</td></tr>