Enhance XML to reST converter (!3617) · Merge requests · Rafał Mikrut / godot

Created by: akien-mga

Fixes a number of issues:

Headings underliners now have the correct length
Newline+Tabs in descriptions are replaced by two newlines to make a proper paragraph
[br] are replaced by two newlines, making a proper paragraph
Properly parse internal hyperlinks in constants description
Fix broken internal links due to missing newlines
Show method header even when it has no description, to have something to reference in hyperlinks

Last part of and thus closes #3064 (closed).

Enhance XML to reST converter