diff options
Diffstat (limited to 'Etc')
| -rw-r--r-- | Etc/FAQ.yo | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/Etc/FAQ.yo b/Etc/FAQ.yo index 9e376ca7a..019c8aa11 100644 --- a/Etc/FAQ.yo +++ b/Etc/FAQ.yo @@ -43,11 +43,11 @@ whenlatex(report(ARG1)(ARG2)(ARG3))\ whenman(report(ARG1)(ARG2)(ARG3))\ whenms(report(ARG1)(ARG2)(ARG3))\ whensgml(report(ARG1)(ARG2)(ARG3))) -myreport(Z-Shell Frequently-Asked Questions)(Peter Stephenson)(2001/05/25) +myreport(Z-Shell Frequently-Asked Questions)(Peter Stephenson)(2001/06/25) COMMENT(-- the following are for Usenet and must appear first)\ description(\ mydit(Archive-Name:) unix-faq/shell/zsh -mydit(Last-Modified:) 2001/05/24 +mydit(Last-Modified:) 2001/06/25 mydit(Submitted-By:) email(pws@pwstephenson.fsnet.co.uk (Peter Stephenson)) mydit(Posting-Frequency:) Monthly mydit(Copyright:) (C) P.W. Stephenson, 1995--2001 (see end of document) @@ -55,8 +55,8 @@ mydit(Copyright:) (C) P.W. Stephenson, 1995--2001 (see end of document) bf(Changes since last issue posted:) description( - mydit() Nothing substantive, but many minor tweaks in preparation for - the release of 4.0.1. + mydit(1.6) 4.0.2 nearly released. + mydit(3.1) typeset splitting incompatibility and tt(KSH_TYPESET) option ) This document contains a list of frequently-asked (or otherwise @@ -299,7 +299,7 @@ sect(On what machines will it run?) sect(What's the latest version?) - Zsh 4.0.1 is the latest production version. + Zsh 4.0.2 is the latest production version. Zsh 3.0.8 was the previous production version. The major number 3.0 largely reflected considerable internal changes in zsh to make it more @@ -586,7 +586,7 @@ tt(SH_OPTION_LETTERS), subscripts start at 1, not 0; tt(array[0]) refers to tt(array[1]); mytt($array) refers to the whole array, not tt($array[0]); braces are unnecessary: tt($a[1] == ${a[1]}), etc. - The tt(KSH_ARRAYS) option is now available. + Set the tt(KSH_ARRAYS) option for compatibility. it() Coprocesses are established by mytt(coproc); mytt(|&) behaves like csh. Handling of coprocess file descriptors is also different. it() In mytt(cmd1 && cmd2 &), only mytt(cmd2) instead of the whole @@ -1036,6 +1036,22 @@ label(31) or (entirely equivalent) when mytt(emulate ksh) or mytt(emulate sh) is in effect. + There is one other effect of word splitting which differs between ksh + and zsh. In ksh, the builtin commands that declare parameters such + as tt(typeset) and tt(export) force word-splitting not to take place + after on an assignment argument: + verb( + typeset param=`echo foo bar` + ) + in ksh will create a parameter with value mytt(foo bar), but in zsh will + create a parameter tt(param) with value tt(foo) and a parameter tt(bar) + whose value is empty. Contrast this with a normal assignment (no + tt(typeset) or other command in front), which never causes a word split + unless you have tt(GLOB_ASSIGN) set. From zsh version 4.0.2 the option + tt(KSH_TYPESET), set automatically in compatibility mode, fixes this + problem. Note that in bash this behaviour occurs with all arguments that + look like assignments, whatever the command name; to get this behaviour + in zsh you have to set the option tt(MAGIC_EQUAL_SUBST). sect(In which startup file do I put...?) |