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* 'Global commands' and 'Global variables' - below are short-hand for commands placed in the 'global' context. | * 'Global commands' and 'Global variables' - Used below, are short-hand for commands placed in the 'global' context. | ||
* 'Default command' - | * 'Default command' - Is run by default, if its context is addressed by name or is the current context. Examples: | ||
** <kua>var bob fred; bob</kua> Prints 'fred'. The 'var' command is used ot create a new variable, then the next statement uses the 'global' default 'varedit' command to print the value of 'bob'. 'bob' is not a command but an existing variable. | ** <kua>var bob fred; bob</kua> Prints 'fred'. The 'var' command is used ot create a new variable, then the next statement uses the 'global' default 'varedit' command to print the value of 'bob'. 'bob' is not a command but an existing variable. | ||
** <kua>bob james; bob</kua> Prints 'james'. In the first statement, the global default command 'varedit' finds the existing 'bob' variable in the 'global' context, and assigns 'james'. In the next statement, the default command finds and prints the value of variable 'bob'. | ** <kua>bob james; bob</kua> Prints 'james'. In the first statement, the global default command 'varedit' finds the existing 'bob' variable in the 'global' context, and assigns 'james'. In the next statement, the default command finds and prints the value of variable 'bob'. | ||