When you want to tag, start with the "@" symbol  and then start writing their name and a list of possible users will show at the bottom of the "Post a Reply" box then click on the name and it will be inserted and shaded blue to show that it works.  

If it is easy to insert the knife, does the drywall have a consistency like lumpy oatmeal?

It can easily be bumped out to show an overhang and there are many ways to insert decorative inserts as well.  

On our recent project I found it to be much more cost effective and I had more control over the end result to essentially insert a structural steel post/beam type of solution to take the load from the existing masonry wall that was really struggling, in one case (that was where the garage masonry wall was carrying load). 

Some of the houses I would see had boarded up windows - one of the examples used in this BP post: Driving for Dollars Bible Part 1Ok, sorry I have no clue why inserting that link made my text blue up top.

(Insert picture of a silhouetted man, fists raised in triumph, standing on top of a sharp crest at sunset.)

From taking a week of work with many headaches to produce 1000 letters I can now get them ready to be mailed in under 10hrsOnce I get the folding/insert machine I am estimating the time to drop to 3hrs to produce 1000 letters from start to end, that means getting the source list to mail to, uploading the source into my custom made software, running the software and producing merged envelopes/letters, printing the letters and envelopes, fold, insert, seal, stamp, done.

I was thinking maybe save the hardware and build my own wooden doors with the glass inserted.

Occasionally, subsequent mentions come up in the list below the editor window, but when I select them, the insertion into the message body is not highlighted.I use a mixture of Chrome, Mozilla & Safari on both the Mac and Linux ...

See this post http://www.biggerpockets.com/forums/25/topics/96280-losing-paragraph-formating , specifically Jon's post half way down.and all the "[ i ]" (without the space between) inserted in the text.Seems like the formatting should be interpreted and the buttons should work as well.