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36651: WARN_CREATE_GLOBAL += math expressions

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Without this, '() { (( x=42 )) }' and '() { for (( i=0; … )) }' wouldn't warn
about $x and $i, respectively, being created global.
This commit is contained in:
Daniel Shahaf 2015-09-26 01:59:48 +00:00
parent 36abe20c0f
commit 2654cb43f6
5 changed files with 38 additions and 2 deletions
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Doc/Zsh/options.yo
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@ -746,7 +746,8 @@ pindex(NOWARNCREATEGLOBAL)
cindex(parameters, warning when created globally)
item(tt(WARN_CREATE_GLOBAL))(
Print a warning message when a global parameter is created in a function
by an assignment. This often indicates that a parameter has not been
by an assignment or in math context.
This often indicates that a parameter has not been
declared local when it should have been. Parameters explicitly declared
global from within a function using tt(typeset -g) do not cause a warning.
Note that there is no warning when a local parameter is assigned to in