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47547: docs: Specify the exact kind of quoting which is assumed when parsing arithmetic expressions

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ivan tkachenko 2020-11-12 20:42:54 +03:00 committed by Daniel Shahaf
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@ -1,3 +1,8 @@
2020-11-16 ivan tkachenko <me@ratijas.tk>
* 47547: Doc/Zsh/arith.yo: docs: Specify the exact kind of
quoting which is assumed when parsing arithmetic expressions
2020-11-16 Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>
* 47560: configure.ac, aczsh.m4: add necessary includes or

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Doc/Zsh/arith.yo
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@ -20,7 +20,7 @@ The tt(let) builtin command takes arithmetic expressions as arguments; each
is evaluated separately. Since many of the arithmetic operators, as well
as spaces, require quoting, an alternative form is provided: for any
command which begins with a `tt(LPAR()LPAR())', all the characters until a
matching `tt(RPAR()RPAR())' are treated as a quoted expression and
matching `tt(RPAR()RPAR())' are treated as a double-quoted expression and
arithmetic expansion performed as for an argument of tt(let). More
precisely, `tt(LPAR()LPAR())var(...)tt(RPAR()RPAR())' is equivalent to
`tt(let ")var(...)tt(")'. The return status is 0 if the arithmetic value