Currently, the includes extension doesn't pull in images if if the image syntax includes a title, e.g.:
![Enter image alt text here.](images/file-name.png "Title text that shows on hover here"){: caption="Figure 1. A description that prints on the page" caption-side="bottom"}
Adjusted the regex to allow for optional titles in image syntax.
Currently, the includes extension doesn't pull in images if if the image syntax includes a title, e.g.:
Adjusted the regex to allow for optional titles in image syntax.