anchor.diff:  With no options or args, runs an interactive Read-Eval-Print Loop
   
   init options:
  -  -co, --compile-opts edn     Options to configure the build
  +  -co, --compile-opts edn     Options to configure the build, can be an EDN
  +                              string or colon separated list of EDN files /
  +                              classpath resources. Options will be merged left
  +                              to right.
      -d, --output-dir path      Set the output directory to use. If supplied,
                                 cljsc_opts.edn in that directory will be used to
                                 set ClojureScript compiler options
     -re, --repl-env env         The REPL environment to use. Built-in supported
                                 values: nashorn, node, browser, rhino. Defaults
                                 to browser
  -  -ro, --repl-opts edn        Options to configure the repl-env
  +  -ro, --repl-opts edn        Options to configure the repl-env, can be an EDN
  +                              string or colon separated list of EDN files /
  +                              classpath resources. Options options will be
  +                              merged left to right.
      -t, --target name          The JavaScript target. Configures environment
                                 bootstrap and defaults to browser. Supported
                                 values: node or nodejs, nashorn, webworker, none
  
positive.code: ** `-w`, `--watch` _path_ Continuously build, only effective with the `--compile` main option
  * main options:
  ** `-` Run a script from standard input
  ** `-c`, `--compile` _ns_ Compile a namespace. If `--repl` present after namespace will launch a REPL after the compile completes
  ** `-h`, `--help`, `-?`  Print this help message and exit
  ** `-m`, `--main` _ns_ Call the `-main` function from a namespace with args
  ** `-r`, `--repl` Run a repl
  
negative.code: 
  * With no options or args, runs an interactive Read-Eval-Print Loop
  * init options:
  ** `-co`, `--compile-opts` _edn_ Options to configure the build, can be an EDN string or colon separated list of EDN files / classpath resources. Options will be merged left to right.
  ** `-d`, `--output-dir` _path_ Set the output directory to use. If supplied, `cljsc_opts.edn` in that directory will be used to set ClojureScript compiler options
  ** `-re`, `--repl-env` _env_ The REPL environment to use. Built-in supported values: `nashorn`, `node`, `browser`, `rhino`. Defaults to `browser`
  ** `-ro`, `--repl-opts` _edn_ Options to configure the repl-env, can be an EDN string or colon separated list of EDN files / classpath resources. Options options will be merged left to right.
  ** `-t`, `--target` _name_ The JavaScript target. Configures environment bootstrap and defaults to `browser`. Supported values: `node` or `nodejs`, `nashorn`, `webworker`, `none`
  * init options only for `--main` and `--repl`:
  ** `-e`, `--eval` _string_ Evaluate expressions in string; print non-`nil` values
  