Quote: implement dynamic variables via set and use statements that allocate from the stack;

'use' searches the 'set' variables for a match

--topics--

declaration scope

environment variables

local vs. global

names defined by context

--subtopics--

dynamic scope for configuration

dynamic variables

environment names

static vs. dynamic

Quotation Skeleton

Only two statements are necessary to add dynamic ... [p. 266] Dynamic variables are allocated on the stack, so ... [p. 266] Conceptually, the set statement creates a set of ... [p. abstract] For languages with exception handling, a more efficient ...

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