Markdown.markdown stuck in infinite loop <!-- leading to memory leaks #1586

Hi, new here :)

the package isn't handling content with <!-- essentially i think the < is causing the issue and leading to major memory leak

input_string = '''#Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lore \n\nLorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lore.\n\nALorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an .\n\nLorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an .\n\n## HTML Conditional Statements: A Dual-Edged Sword\n\nUpon closer examination of the email's HTML code, it became evident that the threat actors leveraged HTML conditional comments, specifically <!--[if mso]> and <!--[if !mso]>'''

trying markdown.markdown(input_string)

The processing is stuck and goes into an infinite loop

My understanding of the repo or markdown, in general, might be wrong :)