anchor.diff:  `delete 1` +
   Deletes the 1st person in the results of the `find` command.
   
  -=== Select a person : `select`
  +=== Selecting a person : `select`
   
   Selects the person identified by the index number used in the last person listing. +
   Format: `select INDEX`
  
positive.code: ====
  *Command Format*
  
  * Words in `UPPER_CASE` are the parameters.
  * Items in `SQUARE_BRACKETS` are optional.
  * Items with `...` after them can have multiple instances.
  * Parameters can be in any order.
  ====
  
  === Viewing help : `help`
  
negative.code: * `edit 2 n/Betsy Crower t/` +
  Edits the name of the 2nd person to be `Betsy Crower` and clears all existing tags.
  
  === Locating persons by name: `find`
  
  Finds persons whose names contain any of the given keywords. +
  Format: `find KEYWORD [MORE_KEYWORDS]`
  