Documentation/UserGuide/Comment Block

Provides self-documentation of the input file. The variables in this block are not used in the code. This block is optional. Example:

<comment>
problem = Brio & Wu shock tube
author  = M. Brio & C. C. Wu
journal = J. Comp. Phys. 75, 400-422 (1988)
config  = --with-problem=shkset1d