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This text is a comment in both markdown and bash.
Note that we cant use # here because markdown tries to display it as a header - unless it starts with #!, shebang. Instead we can use the bash no-op command ":" which is an alias for the bash command "true" -- see "man true". truejust returns true and ignores the arguments so we can pass whatever we like. How this comment block works: in bash, [ ] wraps atestcommand -- seeman test`.