diff options
Diffstat (limited to 'Doc/Zsh')
| -rw-r--r-- | Doc/Zsh/builtins.yo | 5 | ||||
| -rw-r--r-- | Doc/Zsh/expn.yo | 10 |
2 files changed, 12 insertions, 3 deletions
diff --git a/Doc/Zsh/builtins.yo b/Doc/Zsh/builtins.yo index 169f4f881..ae828cd40 100644 --- a/Doc/Zsh/builtins.yo +++ b/Doc/Zsh/builtins.yo @@ -1429,6 +1429,11 @@ tt(exported), tt(integer), tt(readonly)). If tt(+m) is used with attribute flags, and all those flags are introduced with tt(PLUS()), the matching parameter names are printed but their values are not. +Attribute flags that transform the final value (tt(-L), tt(-R), tt(-Z), +tt(-l), tt(u)) are only applied to the expanded value at the point +of a parameter expansion expression using `tt($)'. They are not applied +when a parameter is retrieved internally by the shell for any purpose. + The following attribute flags may be specified: startitem() diff --git a/Doc/Zsh/expn.yo b/Doc/Zsh/expn.yo index 9fb9f2628..1b43117c2 100644 --- a/Doc/Zsh/expn.yo +++ b/Doc/Zsh/expn.yo @@ -785,8 +785,12 @@ with `tt(a)', `tt(i)' or `tt(n)' to reverse the order of sorting. ) item(tt(P))( This forces the value of the parameter var(name) to be interpreted as a -further parameter name, whose value will be used where appropriate. If -used with a nested parameter or command substitution, the result of that +further parameter name, whose value will be used where appropriate. +Note that flags set with one of the tt(typeset) family of commands +(in particular case transformations) are not applied to the value of +var(name) used in htis fashion. + +If used with a nested parameter or command substitution, the result of that will be taken as a parameter name in the same way. For example, if you have `tt(foo=bar)' and `tt(bar=baz)', the strings tt(${(P)foo}), tt(${(P)${foo}}), and tt(${(P)$(echo bar)}) will be expanded to `tt(baz)'. @@ -1062,7 +1066,7 @@ which is expanded by filename expansion to a full path; the outer substitution then applies the modifier tt(:h) and takes the directory part of the path.) ) -time(tt(2.) em(Internal Parameter Flags))( +item(tt(2.) em(Internal Parameter Flags))( Any parameter flags set by one of the tt(typeset) family of commands, in particular the tt(L), tt(R), tt(Z), tt(u) and tt(l) flags for padding and capitalization, are applied directly to the parameter value. |