===X/HTML & Unicode===
YES - you can display unicode characters even if apache is using ISO-8859-1 encoding and your HTML pages are using ISO-8859-1 encoding !
Here's how
%%
%%
Should display
ab↑↓
ab↑↓
ab & acirc ; & acirc ;
ab↑↓
ab & # 8593 ; & # 8595 ;
ab & uarr ; & darr ;
ab%E2%86%91%E2%86%93