Minor problems in doc/manual.xml.head

[Vincent Lefevre <vincent@xxxxxxxxxx>]

Hi,

In doc/manual.xml.head:

<para>
because it simulates that ESC+V was pressed (which is the default
binding of <literal>&lt;collapse-all&gt;</literal>.
</para>

The closing parenthesis is missing.

Also, the manual should be made consistent concerning the spelling
(behavior vs behaviour).

-- 
Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <http://www.vinc17.org/>
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Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)