Breaks long headings

[iamkroot]

For headings that exceed the line length limit, the tool currently splits them into multiple lines. But this is incorrect behaviour, since now the heading is truncated during rendering (it does not continue after a newline)

before formatting: source:

rendered:

after formatting: source:

rendered:

[astrale-sharp]

Thanks for reporting!

[astrale-sharp]

This is fixed on master!