I have no idea what it exactly does and if it is an intention or not, but after your commit these lines:

#set( $symbol_pound = '#' )
#set( $symbol_dollar = '$' )
#set( $symbol_escape = '\' )

have occurred at the beginning of these files:

./src/main/webapp/index.html
./src/main/webapp/WEB-INF/wro.properties
./src/main/webapp/css/jquery.mobile-1.3.2.css
./src/main/webapp/css/screen.css
./src/main/webapp/css/jquery.mobile-1.3.2.min.css

At least for the file ./src/main/webapp/index.html it is a problem, because the lines are not html tags.

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