In elisp docs in the session "8.3 Creating and Interning Symbols" Line 162 have a bug.<br>&gt; --Function: unintern symbole obarray<br><br>Shoud change to<br>--Function: unintern symbole &amp;optional obarray<br><br>In doc-string of "unintern" is also error.<br><br><br>In GNU Emacs 25.1.1 (x86_64-w64-mingw32)<br>&nbsp;of 2016-11-16 built on LAPHROAIG<br>Windowing system distributor 'Microsoft Corp.', version 10.0.14393