GuillaumeHM

Picture of book without ISBN disappears after restart

2

When I add a book with a picture and without ISBN field filled, the book with its picture appears in the book list of *my_library_1* after clicking on ADD button....

[Feature]: Check validity of URLs (references) pointing to local files

2

### To Dos - [X] I have checked the [issues](https://github.com/rstcheck/rstcheck/issues) and think that this is not a duplicate. - [X] I added a very descriptive title to this issue. ###...