* [PATCH] Doc for parameter flags/types
@ 2023-01-27 21:51 Bart Schaefer
0 siblings, 0 replies; only message in thread
From: Bart Schaefer @ 2023-01-27 21:51 UTC (permalink / raw)
To: Zsh hackers list
[-- Attachment #1: Type: text/plain, Size: 112 bytes --]
Without rewriting too much, this seems like a worthwhile clarification
following the long zsh-users discussion.
[-- Attachment #2: paramflags.txt --]
[-- Type: text/plain, Size: 3416 bytes --]
diff --git a/Doc/Zsh/expn.yo b/Doc/Zsh/expn.yo
index eb8cdbae5..ad55c24ba 100644
--- a/Doc/Zsh/expn.yo
+++ b/Doc/Zsh/expn.yo
@@ -1093,7 +1093,7 @@ tt(KSH_ARRAYS) option a subscript `tt([*])' or `tt([@])' is needed
to operate on the whole array, as usual.
)
item(tt(L))(
-Convert all letters in the result to lower case.
+Convert all letters in the result to lower case, like `tt(typeset -l)'.
)
item(tt(n))(
Sort decimal integers numerically; if the first differing
@@ -1177,34 +1177,35 @@ of the parameter would usually appear. This string consists of keywords
separated by hyphens (`tt(-)'). The first keyword in the string describes
the main type, it can be one of `tt(scalar)', `tt(array)', `tt(integer)',
`tt(float)' or `tt(association)'. The other keywords describe the type in
-more detail:
+more detail, in most cases corresponding to options of the `tt(typeset)'
+command:
startitem()
item(tt(local))(
for local parameters
)
item(tt(left))(
-for left justified parameters
+for left justified parameters (tt(-L))
)
item(tt(right_blanks))(
-for right justified parameters with leading blanks
+for right justified parameters with leading blanks (tt(-R))
)
item(tt(right_zeros))(
-for right justified parameters with leading zeros
+for right justified parameters with leading zeros (tt(-Z))
)
item(tt(lower))(
for parameters whose value is converted to all lower case when it is
-expanded
+expanded (tt(-l))
)
item(tt(upper))(
for parameters whose value is converted to all upper case when it is
-expanded
+expanded (tt(-u))
)
item(tt(readonly))(
-for readonly parameters
+for readonly parameters (tt(-r))
)
item(tt(tag))(
-for tagged parameters
+for tagged parameters (tt(-t))
)
item(tt(tied))(
for parameters tied to another parameter in the manner of tt(PATH)
@@ -1212,16 +1213,16 @@ for parameters tied to another parameter in the manner of tt(PATH)
special parameters or user-defined with `tt(typeset -T)'
)
item(tt(export))(
-for exported parameters
+for exported parameters (tt(-x) or `tt(export)')
)
item(tt(unique))(
-for arrays which keep only the first occurrence of duplicated values
+for arrays which keep only the first occurrence of duplicated values (tt(-U))
)
item(tt(hide))(
-for parameters with the `hide' flag
+for parameters with the `hide' flag (tt(-h))
)
item(tt(hideval))(
-for parameters with the `hideval' flag
+for parameters with the `hideval' flag (tt(-H))
)
item(tt(special))(
for special parameters defined by the shell
@@ -1229,10 +1230,10 @@ for special parameters defined by the shell
enditem()
)
item(tt(u))(
-Expand only the first occurrence of each unique word.
+Expand only the first occurrence of each unique word, like `tt(typeset -U)'.
)
item(tt(U))(
-Convert all letters in the result to upper case.
+Convert all letters in the result to upper case, like `tt(typeset -u)'.
)
item(tt(v))(
Used with tt(k), substitute (as two consecutive words) both the key
diff --git a/Doc/Zsh/mod_parameter.yo b/Doc/Zsh/mod_parameter.yo
index f3bcd7957..18fd3606e 100644
--- a/Doc/Zsh/mod_parameter.yo
+++ b/Doc/Zsh/mod_parameter.yo
@@ -125,7 +125,8 @@ zmanref(zshexpn)
ifnzman(\
noderef(Parameter Expansion)
)\
-.
+. The value may also be `tt(undefined)' indicating a parameter that
+may be autoloaded from a module but has not yet been referenced.
Setting or unsetting keys in this array is not possible.
)
vindex(modules)
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2023-01-27 21:51 [PATCH] Doc for parameter flags/types Bart Schaefer
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