Ok so most of the time the following works:
Drop the full menu down by clicking the icon 2nd from the right above
Click the clipboard icon on the lower menu and the quote icon on the upper level
Paste in your text
Type or paste in your title, select it all and use the “eraser” (just to the right of the clipboard icon)
to wipe all formatting…
Put in the link and whatever commentary you may wish to.
Copy the whole post into your clipboard so if the post disappears you can paste it right back in again!
If it posts great! if it disappears paste it in and try to post it once more.
If it just leaves it sitting at the bottom of the thread, search for verboten words like “social ism”
and “di ck”, f*ck, and Sh it.
If all else fails, take a screenshot of the problem text, save it on a pic hosting site, and paste the image
into your post!
Hope This Helps! 
“Never argue with a fool, onlookers may not be able to tell the difference.”
~Samuel Clemens