Tim Duesterhus 4e172c93f9 MEDIUM: lua: Add ifexist parameter to set_var ... As discussed in GitHub issue #624 Lua scripts should not use variables that are never going to be read, because the memory for variable names is never going to be freed. Add an optional `ifexist` parameter to the `set_var` function that allows a Lua developer to set variables that are going to be ignored if the variable name was not used elsewhere before. Usually this mean that there is no `var()` sample fetch for the variable in question within the configuration.		2020-05-25 08:12:35 +02:00
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index.rst	MEDIUM: lua: Add ifexist parameter to set_var	2020-05-25 08:12:35 +02:00
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