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| -rw-r--r-- | Doc/ref/ref4.tex | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/ref/ref4.tex b/Doc/ref/ref4.tex index e2bfcca..7176f20 100644 --- a/Doc/ref/ref4.tex +++ b/Doc/ref/ref4.tex @@ -25,6 +25,12 @@ is a code block. The string argument passed to the built-in function The expression read and evaluated by the built-in function \function{input()} is a code block. +A code block is executed in an \dfn{execution +frame}\indexii{execution}{frame}. A frame contains some +administrative information (used for debugging) and determines where +and how execution continues after the code block's execution has +completed. + A \dfn{scope}\index{scope} defines the visibility of a name within a block. If a local variable is defined in a block, it's scope includes that block. If the definition occurs in a function block, the scope |