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added information about non-existing environment variables used in ExpandEnvStrings

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@3952 212acab6-be3b-0410-9dea-997c60f758d6
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kichik 2005-04-08 14:26:17 +00:00
parent 7c0a2a1851
commit 033500e72a
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Docs/src/registry.but
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@ -76,7 +76,7 @@ Set user variable $x with the name of the 'index'th registry value in root_key\\
\c user_var(output) string
Expands environment variables in "string" into the user variable $x. If error, the variable is set to empty, and the error flag is set.
Expands environment variables in \e{string} into the user variable \e{$x}. If an environment variable doesn't exist, it will not be replaced. For example, if you use "%var%" and var doesn't exists, the result will be "%var". If there is an error, the variable is set to empty, and the error flag is set.
\c ExpandEnvStrings $0 "WINDIR=%WINDIR%$\nTEMP=%TEMP%"