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52759: ${ ... } trims one trailing newline; "${ ... }" preserves that newline.

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Bart Schaefer 2024-03-17 14:28:28 -07:00
parent 45b0a838aa
commit 25182cc2e6
5 changed files with 61 additions and 17 deletions
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Doc/Zsh/expn.yo
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@ -1950,6 +1950,9 @@ the braces by whitespace, like `tt(${ )...tt( })', is replaced by its
standard output. Like `tt(${|)...tt(})' and unlike
`tt($LPAR())...tt(RPAR())', the command executes in the current shell
context with function local behaviors and does not create a subshell.
Word splitting does not apply unless tt(SH_WORD_SPLIT) is set, but a
single trailing newline is stripped unless the substitution is enclosed
in double quotes.
Note that because the `tt(${|)...tt(})' and `tt(${ )...tt( })' forms
must be parsed at once as both string tokens and commands, all other