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bash asan fixes; minor documentation updates

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This commit is contained in:
Chet Ramey
2023-03-15 14:59:24 -04:00
parent 01084938a1
commit 437b73931c
11 changed files with 2620 additions and 2551 deletions
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doc/bash.1
+14 -9
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@@ -5,12 +5,12 @@
.\" Case Western Reserve University
.\" chet.ramey@case.edu
.\"
.\" Last Change: Mon Feb 20 09:59:47 EST 2023
.\" Last Change: Tue Mar 14 16:19:06 EDT 2023
.\"
.\" bash_builtins, strip all but Built-Ins section
.if \n(zZ=1 .ig zZ
.if \n(zY=1 .ig zY
.TH BASH 1 "2023 February 20" "GNU Bash 5.2"
.TH BASH 1 "2023 March 14" "GNU Bash 5.2"
.\"
.\" There's some problem with having a `@'
.\" in a tagged paragraph with the BSD man macros.
@@ -4255,9 +4255,8 @@ This is semantically equivalent to
This type of redirection instructs the shell to read input from the
current source until a line containing only
.I delimiter
(with no trailing blanks)
is seen. All of
the lines read up to that point are then used as the standard
(with no trailing blanks) is seen.
All of the lines read up to that point are then used as the standard
input (or file descriptor \fIn\fP if \fIn\fP is specified) for a command.
.PP
The format of here-documents is:
@@ -4273,6 +4272,7 @@ The format of here-documents is:
No parameter and variable expansion, command substitution,
arithmetic expansion, or pathname expansion is performed on
.IR word .
.PP
If any part of
.I word
is quoted, the
@@ -4280,7 +4280,9 @@ is quoted, the
is the result of quote removal on
.IR word ,
and the lines in the here-document are not expanded.
If \fIword\fP is unquoted,
If \fIword\fP is unquoted, the
.I delimiter
is \fIword\fP itself,
all lines of the here-document are subjected to
parameter expansion, command substitution, and arithmetic expansion,
the character sequence
@@ -6627,9 +6629,12 @@ The history expansion facilities are used to extract the last word,
as if the "!$" history expansion had been specified.
.TP
.B shell\-expand\-line (M\-C\-e)
Expand the line as the shell does. This
performs alias and history expansion as well as all of the shell
word expansions. See
Expand the line by performing shell word expansions.
This performs alias and history expansion,
\fB$\fP\(aq\fIstring\fP\(aq and \fB$\fP\(dq\fIstring\fP\(dq quoting,
tilde expansion, parameter and variable expansion, arithmetic expansion,
word splitting, and quote removal.
See
.SM
.B HISTORY EXPANSION
below for a description of history expansion.