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### 6.6 Querying a Dictionary

When creating a new argument, it may be useful to ask the dictionary what entries are already set there, and conditionally create new entries based on those.

In this way, a template author can get additional logic through more advanced arguments.

Function: srecode-dictionary-lookup-name dict name

  Return information about the current DICT’s value for NAME. DICT is a dictionary, and NAME is a string that is the name of a symbol in the dictionary. This function derives values for some special NAMEs, such as FIRST and ’LAST’.