Brian,

>Is it possible to force a line break in the text supplied to the DynamicText 
>filter?  For example, let's say I wanted the text overlay to look like this.
>
>Line 1
>Line 2
>Line 3
>
>In some environments I could do "Line 1\nLine 2\nLine 3".  It appears that 
>DynamicText doesn't recognize the "\n".  Is there a line break it does 
>recognize?


For what you are trying to do, you would be better served by the watermark 
filter. Here is an example:
melt colour:red -filter watermark:"+line1~line2~line3.txt" 
composite.progressive=1 producer.align=centre composite.valign=c 
composite.halign=c producer.fgcolour=blue


The "producer.*" properties are passed to a pango producer and the 
"composite.*" properties are passed to a composite transition.
http://www.mltframework.org/bin/view/MLT/ProducerPango
http://www.mltframework.org/bin/view/MLT/TransitionComposite

~BM


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