Improve generator issues with blank lines in Block-List-Block scenarios

[jackdewinter]

Prerequisites

• Are you running the latest version of this application?
• Have you checked the Frequently Asked Questions document?
• Have you simplified the bug report to the essential details?
  • Do you have a distinct command line to report?
  • Can you clearly state the configuration for this bug report?
  • Do you have a minimal document that highlights this bug?
  • Are any required files (configuration or Markdown document) attached to the issue?
• Did you perform a cursory search of other issues to look for related issues?

Bug Report

Bug Type

• Parsing

Description

The __handle_normal_blank_line function produces an okay kludge to fix the blank line problem, but it needs more rigor.

Specifics

What operating system and version are you running into this behavior on?

N/A

What version are you seeing this behavior in? (Run pip list or pipenv run pip list and look for the entry beside pymarkdownlnt.)

latest

Are there any extra steps that need to be taken before executing the application?

N/A

What is the command line you invoke to get this behavior?

N/A

Are you using a configuration file? Either on the command line or one of the implicit configuration files? If so, attach that file to this issue.

N/A

What Markdown document causes this behavior to manifest? Attach that file to this issue.

> > > --------
> > >
> > > ```block
> > > ```
> > >
> > > --------

Actual Behavior

While this does trigger on the above case, it is more hardwired than desired.

Expected Behavior

The check to add a newline should be more flexible.