VERIFIED SOLUTION i

Resolve issue where the view in web browser functionality does not work with unprintable character in HTML template for Portrait Dialogue

Portrait Dialogue 6.1SP2 (6.1.2.583)
Portrait Dialogue 6.1SP3 (6.1.3.705)
View in web browser functionality does not work, if the HTML template contains an unprintable character. 

The following screenshot (Picture 1) displays a character 'R5' that is not interpreted by HTML designer in Visual Dialogue and hence the View in web browser functionality does not work and throws an error (Picture 2).

1. 
User-added image

2.
User-added image
This has been identified as a bug in Portrait Dialogue 6.1SP2 (6.1.2.583) and resolved in the Portrait Dialogue version 6.1SP3 (6.1.3.705).
UPDATED:  July 27, 2017