normally, you create the frames and chain them together.
The order in which you chain the frames does matter.
You can see the order by activating View > Text frames > Show text chain (this is for Scribus 1.5; in 1.4 it's very similar).
A single text box can have multiple colors applied, including every single character having a different color. Just use the text tool to select the characters you want to change its color, and then pick a new fill.
The blue and black problem you’re getting is because the “Difference” blend mode just works the way you described (as “negative” of sorts). And ...
The best solution I found was using a clipboard manager
I am using Ditto for Windows and CopyClip for Mac
It's very easy to get around this issue, you just paste the text from the clipboard manager as shown in this video.
I am writing these instructions for Adobe Illustrator but the concept applies to any program.
Get the distance the width of your text/text box. I created text that is 7" W. Make sure the text is centered align.
Create a box that is half the width of your text box.
Use the align panel to align your box to the right of the artboard.
Select both the ...
In Illustrator, type some bold text, and apply a black stroke to the letters, and a different coloured fill for some letters.
Do Effect > 3D > Extrude & Bevel
Change the length of the black part by changing the Extrude Depth.
A simple way is to add a vertical/horizontal guide and snap the text layers to that.
The Align tool can work but is often not used properly, once the tool is activated, you have to select all the text layers (click on the first, shift-click others). Layers selected for alignment have 4 squares in the corners, and are not necessarily the "active" ...