<p>Reply for <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/hovercards?user_id=811085" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/elextr">@elextr</a>:</p>
<p>Made some tests, the mean of "very slow" is almost 10 seconds.</p>
<p>the types of open a large txt-file:<br>
(1) Dragging and dropping a large file into the geany window.<br>
(2) Re-open all the opened files of the last session when start the geany.<br>
(3) Start the geany, open the 'open dialog',  select file, click the 'Open' button. Select the filetype is "none" or auto-check(default).</p>

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