<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[1]</anchor-end> <dfn><code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">pio</anchor></code></dfn> は <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">SGML</anchor> における<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">処理指令</anchor>の開始を表す<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">区切子機能</anchor>です。</p></body></html>