diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | Doc/Zsh/expn.yo | 8 | ||||
| -rw-r--r-- | Doc/Zsh/mod_ksh93.yo | 7 | ||||
| -rw-r--r-- | Doc/Zsh/params.yo | 10 | ||||
| -rw-r--r-- | Src/subst.c | 2 | ||||
| -rw-r--r-- | Test/D10nofork.ztst | 2 |
6 files changed, 25 insertions, 13 deletions
@@ -1,3 +1,12 @@ +2023-11-23 Bart Schaefer <schaefer@zsh.org> + + * 52325: Doc/Zsh/expn.yo, Doc/Zsh/mod_ksh93.yo, Doc/Zsh/params.yo: + Clarify side-effects of $argv and named references to specials, + update ksh93 feature compatibility. + + unposted: Src/subst.c, Test/D10nofork.ztst: whitespace tweak to + avoid unexpected parse error when comments are used in ${ ... } + 2023-11-22 Oliver Kiddle <opk@zsh.org> * unposted: Completion/Unix/Command/_ri: fix missing closing brace diff --git a/Doc/Zsh/expn.yo b/Doc/Zsh/expn.yo index 837a85db6..e5506d469 100644 --- a/Doc/Zsh/expn.yo +++ b/Doc/Zsh/expn.yo @@ -1600,6 +1600,10 @@ example(tt(before local: OUTER) tt(by reference: OUTER) tt(after func: RESULT)) +Note, however, that named references to em(special) parameters acquire +the behavior of the special parameter, regardless of the scope where +the reference is declared. + When var(rname) includes an array subscript, the subscript expression is interpreted at the time tt(${)var(pname)tt(}) is expanded. Any form of subscript is allowed, including those that select individual @@ -1929,7 +1933,9 @@ Note that because the `tt(${|)...tt(})' and `tt(${ )...tt( })' forms must be parsed at once as both string tokens and commands, all other braces (`tt({)' or `tt(})') within the command either must be quoted, or must appear in syntactically valid pairs, such as around complex -commands, function bodies, or parameter references. +commands, function bodies, or parameter references. Furthermore, +comments are always recognized, even when tt(NO_INTERACTIVE_COMMENTS) +is in effect. texinode(Arithmetic Expansion)(Brace Expansion)(Command Substitution)(Expansion) sect(Arithmetic Expansion) diff --git a/Doc/Zsh/mod_ksh93.yo b/Doc/Zsh/mod_ksh93.yo index 99dab385f..9cd708d10 100644 --- a/Doc/Zsh/mod_ksh93.yo +++ b/Doc/Zsh/mod_ksh93.yo @@ -186,13 +186,6 @@ parameter var(name) would be unset. The function must explicitly em(THIS FEATURE IS NOT YET IMPLEMENTED.) ) -item(tt(${ )var(list)tt(;}))( -Note the space after the opening brace (tt({)). This executes var(list) -in the current shell and substitutes its standard output in the manner -of `tt($LPAR())var(list)tt(RPAR())' but without forking. - -em(THIS FEATURE IS NOT YET IMPLEMENTED.) -) item(tt(typeset -C )var(name)[tt(=)var(values)tt( ...)])( Creates a em(compound variable). diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo index 5653b3bc9..68df4a16f 100644 --- a/Doc/Zsh/params.yo +++ b/Doc/Zsh/params.yo @@ -748,9 +748,13 @@ vindex(argv) item(tt(argv) <S> <Z>)( Same as tt(*). Assigning to tt(argv) changes the local positional parameters, but tt(argv) is em(not) itself a local parameter. -Deleting tt(argv) with tt(unset) in any function deletes it everywhere, -although only the innermost positional parameter array is deleted (so -tt(*) and tt(@) in other scopes are not affected). +Deleting tt(argv) with tt(unset) in any function deletes it everywhere. +This can be avoided by declaring `tt(local +h argv)' before unsetting. +Even when not so declared, only the innermost positional parameter +array is deleted (so tt(*) and tt(@) in other scopes are not affected). + +A named reference to tt(argv) em(does not) permit a called function to +access the positional parameters of its caller. ) vindex(@) item(tt(@) <S>)( diff --git a/Src/subst.c b/Src/subst.c index 4ef1d1269..3a1187350 100644 --- a/Src/subst.c +++ b/Src/subst.c @@ -1956,7 +1956,7 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags, * Then fall through to the regular handling of $REPLY * to manage word splitting, expansion flags, etc. */ - char *outfmt = ">| %s { %s ;}"; /* 13 */ + char *outfmt = ">| %s {\n%s\n;}"; /* 13 */ if ((rplytmp = gettempname(NULL, 1))) { /* Prevent shenanigans with $TMPPREFIX */ char *tmpfile = quotestring(rplytmp, QT_BACKSLASH); diff --git a/Test/D10nofork.ztst b/Test/D10nofork.ztst index 024b8ffcc..d6a5588df 100644 --- a/Test/D10nofork.ztst +++ b/Test/D10nofork.ztst @@ -422,7 +422,7 @@ F:must do this before evaluating the next test block purr ${ { echo nested } } DONE 1:ignored braces, part 4 -?(eval):1: parse error near `}' +?(eval):3: parse error near `}' # "break" blocks function calls in outer loop # Could use print, but that might get fixed |