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href="http://lukeshu.ath.cx/1/wordpress/2011/08/fixing-wrong-type-argument-characterp-return-in-emacs/" title="17:27" rel="bookmark"><span class="entry-date">2011/08/15</span></a> <span class="meta-sep">by</span> <span class="author vcard"><a class="url fn n" href="http://lukeshu.ath.cx/1/wordpress/author/lts/" title="View all posts by lts">lts</a></span> + </div><!-- .entry-meta --> + <div class="entry-content"> +<p>A few months ago, I ran into an issue with Emacs that I just found the solution to. In Emacs term-mode (or ansi-term, or multi-term), hitting Enter doesn’t work, and the mini-buffer displays <q><tt>Wrong type argument: characterp, return</tt></q>, and the term doesn’t see the keystroke.</p> +<p>I dented about it on identi.ca, and no one was able to help me. This turned out to be a mistake, because I kept seeing the dent as I Googled/DuckDuckGo’ed for a solution.</p> +<p>Anyway, I finally <a href="http://lukeshu.ath.cx/1/wordpress/2011/08/emacs-autopair-problems-when-using-term-mode/">found the solution</a> on the Korean blog <a href="http://seorenn.blogspot.com/">Seorenn SIGSEGV</a>.</p> +<p>The problem is basically that autopair had remapped the return key to an autopair function, which didn’t jive with term-mode. At least, that’s what Seorenn said.</p> +<p>If it were that simple, I would have noticed it when I installed autopair. Only in some environments does the problem manifest. For example, on Ubuntu, where I started using autopair, the problem never appears. When I switched to Fedora (and later Parabola), I figured it was some issue with the X server, because it worked fine when running in a terminal.</p> +<p>Now knowing that the problem was related to autopair, I can’t figure out how it ever worked.</p> +<p>Anyway, the fix is to add the following to your .emacs:</p> +<pre><code>(add-hook 'term-mode-hook + #'(lambda () (setq autopair-dont-activate t)))</code></pre> +<p>(Code segment from <a href="http://emacs-fu.blogspot.com/2010/06/console-apps-in-emacs-with-multi-term.html">emacs-fu</a>, via <a href="http://seorenn.blogspot.com/2011/05/emacs-autopair-term-mode.html">Seorenn SIGSEGV</a>.)</p> + + </div><!-- .entry-content --> + <div class="entry-links"> + + </div> + + <div class="entry-utility"> + This entry was posted in <a href="http://lukeshu.ath.cx/1/wordpress/category/computers/" title="View all posts in Computers" rel="category tag">Computers</a>. Bookmark the <a href="http://lukeshu.ath.cx/1/wordpress/2011/08/fixing-wrong-type-argument-characterp-return-in-emacs/" title="Permalink to Fixing “Wrong type argument: characterp, return” in !Emacs" rel="bookmark">permalink</a>. + + </div><!-- .entry-utility --> + </div><!-- #post-## --> + + <div id="nav-below" class="navigation"> + <div class="nav-previous"><a href="http://lukeshu.ath.cx/1/wordpress/2011/08/emacs-autopair-problems-when-using-term-mode/" rel="prev"><span class="meta-nav">←</span> [Emacs] autopair problems when using term-mode</a></div> + <div class="nav-next"></div> + </div><!-- #nav-below --> + + + + <div id="comments"> + <div id="respond"> + <h3 id="reply-title">Leave a Reply <small><a rel="nofollow" id="cancel-comment-reply-link" href="/1/wordpress/2011/08/fixing-wrong-type-argument-characterp-return-in-emacs/#respond" style="display:none;">Cancel reply</a></small></h3> + <form action="http://lukeshu.ath.cx/1/wordpress/wp-comments-post.php" method="post" id="commentform"> + <p class="comment-notes">Your email address will not be published. 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