Pretty printer/code layout/reformat/minify

                 Key: VELOCITY-611
             Project: Velocity
          Issue Type: Wish
          Components: Engine
         Environment: Cross platform
            Reporter: Adrian Tarau
            Priority: Minor

I've always wanted to be able to re-layout a piece of generated text. It was a 
dream of mine since I was a little boy:)

Even if you generate HTML most of the time the result is pretty ugly(not 
readable) and when it came to generating code(like Java, JavaScript, etc) is 
really important to have readable code.Especially when your trying to "debug" 
something, it is a lot easier to locate the problem with a "pretty" content 

In case of JavaScript it is even more problematic, because different browsers 
can fail parsing generated JavaScript just because some separators are not on 
the same line. Of course you can generate your pages, copy the code in  and validate your code but is kind of .. not handy.Or 
you could even compress your generated JavaScript(or HTML) to have a smaller 
content or obfuscate your code a little bit.

I'm pretty sure these needs are not only mine, so if somebody out there already 
have something (already) implemented(and it can be open sourced) or even 
suggestions about which library to use(I expect we could re-use some of the 
existing libraries to do pretty-print, at least HTML, XML it can be done pretty 
easy and not so easy with JS or Java) please let me know.

I'm planning to create a public project to host this project and any 
suggestions are welcomed. The library will be designed to be independent of 
Velocity, so other template libraries could benefit of this work.


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