I was playing with your test page and was confused at first about what the Template Variables field was for. Then I read your post more carefully and found the bit about 'global' variables.

After seeing a couple of examples of templates elsewhere, I modified your default template to look so: 

Hello World!
Welcome, <cfoutput query='bar'>#foo_name#</cfoutput>!

<cfoutput>Math result = #res#</cfoutput>

[download]
For those who haven't seen the default template, I removed the first two lines that initialize the template variables foo_name and res. I then used the following in the Template Variables field: foo_name="Jim",res=5**3 I noticed that the res value was not calculated in the Parser Output window: 
Hello World!
Welcome, "Jim"!

Math result = 5**3

[download]
What function or syntax would be necessary necessary in the template to cause it to interpolate the expression? Apologies if this is a silly question, but I don't know anything about Cold Fusion though I found your post interesting and as a nutty but wise monk once chided me:
"testers" can't hurt ;)(and usually, they learn something)
Touché.

--Jim

In reply to Re: CFML Parser - testing. Design/Implementation suggestions. by jlongino
in thread CFML Parser - testing. Design/Implementation suggestions. by vladb

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