Ctrl + Alt + V break

[edl7878]

Sample

= Document Title
:imagesdir: new/path/to/images

Issue

When inserting an image using Ctrl + Alt + v from clipboard, image will not be created, and the insert image macro will broken.

[edl7878]

The asciidoc content likes below:

# test

----
= Document Title
:imagesdir: new/path/to/images
----

As uplist, there is a delimited block contains two lines, and one line start with :imagesdir:

Issue
When inserting an image using Ctrl + Alt + v from clipboard, image will not be created, and the insert image macro will broken.