development/ShellCheck-bin: Updated for version 0.8.0.

Signed-off-by: Dave Woodfall <dave@slackbuilds.org>

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

3 files changed, 158 insertions, 94 deletions

diff --git a/development/ShellCheck-bin/ShellCheck-bin.SlackBuild b/development/ShellCheck-bin/ShellCheck-bin.SlackBuild
index 4b317b48d6a7f..db7f3ed103b1e 100644
--- a/development/ShellCheck-bin/ShellCheck-bin.SlackBuild
+++ b/development/ShellCheck-bin/ShellCheck-bin.SlackBuild
@@ -25,7 +25,7 @@ cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=ShellCheck-bin
 BINNAM=shellcheck
-VERSION=${VERSION:-0.7.2}
+VERSION=${VERSION:-0.8.0}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
diff --git a/development/ShellCheck-bin/ShellCheck-bin.info b/development/ShellCheck-bin/ShellCheck-bin.info
index 81b7876173712..c7d1da9703850 100644
--- a/development/ShellCheck-bin/ShellCheck-bin.info
+++ b/development/ShellCheck-bin/ShellCheck-bin.info
@@ -1,10 +1,10 @@
 PRGNAM="ShellCheck-bin"
-VERSION="0.7.2"
+VERSION="0.8.0"
 HOMEPAGE="https://www.shellcheck.net"
 DOWNLOAD="UNSUPPORTED"
 MD5SUM=""
-DOWNLOAD_x86_64="https://github.com/koalaman/shellcheck/releases/download/v0.7.2/shellcheck-v0.7.2.linux.x86_64.tar.xz"
-MD5SUM_x86_64="03f5938ba5154e136ef203f29abe86d6"
+DOWNLOAD_x86_64="https://github.com/koalaman/shellcheck/releases/download/v0.8.0/shellcheck-v0.8.0.linux.x86_64.tar.xz"
+MD5SUM_x86_64="86ee889b1e771bc8292a7043df4b962a"
 REQUIRES=""
 MAINTAINER="Dave Woodfall"
 EMAIL="dave@slackbuilds.org"
diff --git a/development/ShellCheck-bin/shellcheck.1 b/development/ShellCheck-bin/shellcheck.1
index b98de14a65d62..40f293225fa0c 100644
--- a/development/ShellCheck-bin/shellcheck.1
+++ b/development/ShellCheck-bin/shellcheck.1
@@ -1,17 +1,17 @@
-.\" Automatically generated by Pandoc 2.5
+.\" Automatically generated by Pandoc 2.9.2.1
 .\"
 .TH "SHELLCHECK" "1" "" "Shell script analysis tool" ""
 .hy
 .SH NAME
 .PP
-shellcheck \- Shell script analysis tool
+shellcheck - Shell script analysis tool
 .SH SYNOPSIS
 .PP
-\f[B]shellcheck\f[R] [\f[I]OPTIONS\f[R]\&...] \f[I]FILES\f[R]\&...
+\f[B]shellcheck\f[R] [\f[I]OPTIONS\f[R]...] \f[I]FILES\f[R]...
 .SH DESCRIPTION
 .PP
 ShellCheck is a static analysis and linting tool for sh/bash scripts.
-It\[cq]s mainly focused on handling typical beginner and intermediate
+It\[aq]s mainly focused on handling typical beginner and intermediate
 level syntax errors and pitfalls where the shell just gives a cryptic
 error message or strange behavior, but it also reports on a few more
 advanced issues where corner cases can cause delayed failures.
@@ -26,113 +26,119 @@ Consider this line:
 .fi
 .IP \[bu] 2
 For scripts starting with \f[C]#!/bin/sh\f[R] (or when using
-\f[C]\-s sh\f[R]), ShellCheck will warn that \f[C](( .. ))\f[R] is not
+\f[C]-s sh\f[R]), ShellCheck will warn that \f[C](( .. ))\f[R] is not
 POSIX compliant (similar to checkbashisms).
 .IP \[bu] 2
 For scripts starting with \f[C]#!/bin/bash\f[R] (or using
-\f[C]\-s bash\f[R]), ShellCheck will warn that decimals are not
+\f[C]-s bash\f[R]), ShellCheck will warn that decimals are not
 supported.
 .IP \[bu] 2
 For scripts starting with \f[C]#!/bin/ksh\f[R] (or using
-\f[C]\-s ksh\f[R]), ShellCheck will not warn at all, as \f[C]ksh\f[R]
+\f[C]-s ksh\f[R]), ShellCheck will not warn at all, as \f[C]ksh\f[R]
 supports decimals in arithmetic contexts.
 .SH OPTIONS
 .TP
-.B \f[B]\-a\f[R],\ \f[B]\[en]check\-sourced\f[R]
+\f[B]-a\f[R],\ \f[B]--check-sourced\f[R]
 Emit warnings in sourced files.
 Normally, \f[C]shellcheck\f[R] will only warn about issues in the
 specified files.
 With this option, any issues in sourced files will also be reported.
 .TP
-.B \f[B]\-C\f[R][\f[I]WHEN\f[R]],\ \f[B]\[en]color\f[R][=\f[I]WHEN\f[R]]
+\f[B]-C\f[R][\f[I]WHEN\f[R]],\ \f[B]--color\f[R][=\f[I]WHEN\f[R]]
 For TTY output, enable colors \f[I]always\f[R], \f[I]never\f[R] or
 \f[I]auto\f[R].
 The default is \f[I]auto\f[R].
-\f[B]\[en]color\f[R] without an argument is equivalent to
-\f[B]\[en]color=always\f[R].
+\f[B]--color\f[R] without an argument is equivalent to
+\f[B]--color=always\f[R].
 .TP
-.B \f[B]\-i\f[R]\ \f[I]CODE1\f[R][,\f[I]CODE2\f[R]\&...],\ \f[B]\[en]include=\f[R]\f[I]CODE1\f[R][,\f[I]CODE2\f[R]\&...]
+\f[B]-i\f[R]\ \f[I]CODE1\f[R][,\f[I]CODE2\f[R]...],\ \f[B]--include=\f[R]\f[I]CODE1\f[R][,\f[I]CODE2\f[R]...]
 Explicitly include only the specified codes in the report.
-Subsequent \f[B]\-i\f[R] options are cumulative, but all the codes can
-be specified at once, comma\-separated as a single argument.
+Subsequent \f[B]-i\f[R] options are cumulative, but all the codes can be
+specified at once, comma-separated as a single argument.
 Include options override any provided exclude options.
 .TP
-.B \f[B]\-e\f[R]\ \f[I]CODE1\f[R][,\f[I]CODE2\f[R]\&...],\ \f[B]\[en]exclude=\f[R]\f[I]CODE1\f[R][,\f[I]CODE2\f[R]\&...]
+\f[B]-e\f[R]\ \f[I]CODE1\f[R][,\f[I]CODE2\f[R]...],\ \f[B]--exclude=\f[R]\f[I]CODE1\f[R][,\f[I]CODE2\f[R]...]
 Explicitly exclude the specified codes from the report.
-Subsequent \f[B]\-e\f[R] options are cumulative, but all the codes can
-be specified at once, comma\-separated as a single argument.
+Subsequent \f[B]-e\f[R] options are cumulative, but all the codes can be
+specified at once, comma-separated as a single argument.
 .TP
-.B \f[B]\-f\f[R] \f[I]FORMAT\f[R], \f[B]\[en]format=\f[R]\f[I]FORMAT\f[R]
+\f[B]-f\f[R] \f[I]FORMAT\f[R], \f[B]--format=\f[R]\f[I]FORMAT\f[R]
 Specify the output format of shellcheck, which prints its results in the
 standard output.
-Subsequent \f[B]\-f\f[R] options are ignored, see \f[B]FORMATS\f[R]
-below for more information.
+Subsequent \f[B]-f\f[R] options are ignored, see \f[B]FORMATS\f[R] below
+for more information.
 .TP
-.B \f[B]\[en]list\-optional\f[R]
+\f[B]--list-optional\f[R]
 Output a list of known optional checks.
-These can be enabled with \f[B]\-o\f[R] flags or \f[B]enable\f[R]
+These can be enabled with \f[B]-o\f[R] flags or \f[B]enable\f[R]
 directives.
 .TP
-.B \f[B]\[en]norc\f[R]
-Don\[cq]t try to look for .shellcheckrc configuration files.
+\f[B]--norc\f[R]
+Don\[aq]t try to look for .shellcheckrc configuration files.
 .TP
-.B \f[B]\-o\f[R]\ \f[I]NAME1\f[R][,\f[I]NAME2\f[R]\&...],\ \f[B]\[en]enable=\f[R]\f[I]NAME1\f[R][,\f[I]NAME2\f[R]\&...]
+\f[B]-o\f[R]\ \f[I]NAME1\f[R][,\f[I]NAME2\f[R]...],\ \f[B]--enable=\f[R]\f[I]NAME1\f[R][,\f[I]NAME2\f[R]...]
 Enable optional checks.
 The special name \f[I]all\f[R] enables all of them.
-Subsequent \f[B]\-o\f[R] options accumulate.
+Subsequent \f[B]-o\f[R] options accumulate.
 This is equivalent to specifying \f[B]enable\f[R] directives.
 .TP
-.B \f[B]\-P\f[R]\ \f[I]SOURCEPATH\f[R],\ \f[B]\[en]source\-path=\f[R]\f[I]SOURCEPATH\f[R]
+\f[B]-P\f[R]\ \f[I]SOURCEPATH\f[R],\ \f[B]--source-path=\f[R]\f[I]SOURCEPATH\f[R]
 Specify paths to search for sourced files, separated by \f[C]:\f[R] on
 Unix and \f[C];\f[R] on Windows.
-This is equivalent to specifying \f[C]search\-path\f[R] directives.
+This is equivalent to specifying \f[C]search-path\f[R] directives.
 .TP
-.B \f[B]\-s\f[R]\ \f[I]shell\f[R],\ \f[B]\[en]shell=\f[R]\f[I]shell\f[R]
+\f[B]-s\f[R]\ \f[I]shell\f[R],\ \f[B]--shell=\f[R]\f[I]shell\f[R]
 Specify Bourne shell dialect.
 Valid values are \f[I]sh\f[R], \f[I]bash\f[R], \f[I]dash\f[R] and
 \f[I]ksh\f[R].
-The default is to deduce the shell from the file\[cq]s \f[C]shell\f[R]
+The default is to deduce the shell from the file\[aq]s \f[C]shell\f[R]
 directive, shebang, or \f[C].bash/.bats/.dash/.ksh\f[R] extension, in
 that order.
-\f[I]sh\f[R] refers to POSIX \f[C]sh\f[R] (not the system\[cq]s), and
+\f[I]sh\f[R] refers to POSIX \f[C]sh\f[R] (not the system\[aq]s), and
 will warn of portability issues.
 .TP
-.B \f[B]\-S\f[R]\ \f[I]SEVERITY\f[R],\ \f[B]\[en]severity=\f[R]\f[I]severity\f[R]
+\f[B]-S\f[R]\ \f[I]SEVERITY\f[R],\ \f[B]--severity=\f[R]\f[I]severity\f[R]
 Specify minimum severity of errors to consider.
 Valid values in order of severity are \f[I]error\f[R],
 \f[I]warning\f[R], \f[I]info\f[R] and \f[I]style\f[R].
 The default is \f[I]style\f[R].
 .TP
-.B \f[B]\-V\f[R],\ \f[B]\[en]version\f[R]
+\f[B]-V\f[R],\ \f[B]--version\f[R]
 Print version information and exit.
 .TP
-.B \f[B]\-W\f[R] \f[I]NUM\f[R],\ \f[B]\[en]wiki\-link\-count=NUM\f[R]
+\f[B]-W\f[R] \f[I]NUM\f[R],\ \f[B]--wiki-link-count=NUM\f[R]
 For TTY output, show \f[I]NUM\f[R] wiki links to more information about
 mentioned warnings.
 Set to 0 to disable them entirely.
 .TP
-.B \f[B]\-x\f[R],\ \f[B]\[en]external\-sources\f[R]
+\f[B]-x\f[R],\ \f[B]--external-sources\f[R]
 Follow \f[C]source\f[R] statements even when the file is not specified
 as input.
 By default, \f[C]shellcheck\f[R] will only follow files specified on the
 command line (plus \f[C]/dev/null\f[R]).
 This option allows following any file the script may \f[C]source\f[R].
+.RS
+.PP
+This option may also be enabled using \f[C]external-sources=true\f[R] in
+\f[C].shellcheckrc\f[R].
+This flag takes precedence.
+.RE
 .TP
-.B \f[B]FILES\&...\f[R]
-One or more script files to check, or \[lq]\-\[rq] for standard input.
+\f[B]FILES...\f[R]
+One or more script files to check, or \[dq]-\[dq] for standard input.
 .SH FORMATS
 .TP
-.B \f[B]tty\f[R]
+\f[B]tty\f[R]
 Plain text, human readable output.
 This is the default.
 .TP
-.B \f[B]gcc\f[R]
+\f[B]gcc\f[R]
 GCC compatible output.
 Useful for editors that support compiling and showing syntax errors.
 .RS
 .PP
 For example, in Vim,
-\f[C]:set makeprg=shellcheck\[rs] \-f\[rs] gcc\[rs] %\f[R] will allow
+\f[C]:set makeprg=shellcheck\[rs] -f\[rs] gcc\[rs] %\f[R] will allow
 using \f[C]:make\f[R] to check the script, and \f[C]:cnext\f[R] to jump
 to the next error.
 .IP
@@ -143,7 +149,7 @@ to the next error.
 .fi
 .RE
 .TP
-.B \f[B]checkstyle\f[R]
+\f[B]checkstyle\f[R]
 Checkstyle compatible XML output.
 Supported directly or through plugins by many IDEs and build monitoring
 systems.
@@ -151,7 +157,7 @@ systems.
 .IP
 .nf
 \f[C]
-<?xml version=\[aq]1.0\[aq] encoding=\[aq]UTF\-8\[aq]?>
+<?xml version=\[aq]1.0\[aq] encoding=\[aq]UTF-8\[aq]?>
 <checkstyle version=\[aq]4.3\[aq]>
   <file name=\[aq]file\[aq]>
     <error
@@ -168,32 +174,32 @@ systems.
 .fi
 .RE
 .TP
-.B \f[B]diff\f[R]
-Auto\-fixes in unified diff format.
-Can be piped to \f[C]git apply\f[R] or \f[C]patch \-p1\f[R] to
+\f[B]diff\f[R]
+Auto-fixes in unified diff format.
+Can be piped to \f[C]git apply\f[R] or \f[C]patch -p1\f[R] to
 automatically apply fixes.
 .RS
 .IP
 .nf
 \f[C]
-\-\-\- a/test.sh
+--- a/test.sh
 +++ b/test.sh
-\[at]\[at] \-2,6 +2,6 \[at]\[at]
+\[at]\[at] -2,6 +2,6 \[at]\[at]
  ## Example of a broken script.
  for f in $(ls *.m3u)
  do
-\-  grep \-qi hq.*mp3 $f \[rs]
-+  grep \-qi hq.*mp3 \[dq]$f\[dq] \[rs]
-     && echo \-e \[aq]Playlist $f contains a HQ file in mp3 format\[aq]
+-  grep -qi hq.*mp3 $f \[rs]
++  grep -qi hq.*mp3 \[dq]$f\[dq] \[rs]
+     && echo -e \[aq]Playlist $f contains a HQ file in mp3 format\[aq]
  done
 \f[R]
 .fi
 .RE
 .TP
-.B \f[B]json1\f[R]
+\f[B]json1\f[R]
 Json is a popular serialization format that is more suitable for web
 applications.
-ShellCheck\[cq]s json is compact and contains only the bare minimum.
+ShellCheck\[aq]s json is compact and contains only the bare minimum.
 Tabs are counted as 1 character.
 .RS
 .IP
@@ -216,24 +222,24 @@ Tabs are counted as 1 character.
 .fi
 .RE
 .TP
-.B \f[B]json\f[R]
+\f[B]json\f[R]
 This is a legacy version of the \f[B]json1\f[R] format.
-It\[cq]s a raw array of comments, and all offsets have a tab stop of 8.
+It\[aq]s a raw array of comments, and all offsets have a tab stop of 8.
 .TP
-.B \f[B]quiet\f[R]
+\f[B]quiet\f[R]
 Suppress all normal output.
 Exit with zero if no issues are found, otherwise exit with one.
 Stops processing after the first issue.
 .SH DIRECTIVES
 .PP
 ShellCheck directives can be specified as comments in the shell script.
-If they appear before the first command, they are considered file\-wide.
+If they appear before the first command, they are considered file-wide.
 Otherwise, they apply to the immediately following command or block:
 .IP
 .nf
 \f[C]
 # shellcheck key=value key=value
-command\-or\-structure
+command-or-structure
 \f[R]
 .fi
 .PP
@@ -271,46 +277,61 @@ lines:
 .PP
 Valid keys are:
 .TP
-.B \f[B]disable\f[R]
+\f[B]disable\f[R]
 Disables a comma separated list of error codes for the following
 command.
 The command can be a simple command like \f[C]echo foo\f[R], or a
 compound command like a function definition, subshell block or loop.
+A range can be be specified with a dash, e.g.
+\f[C]disable=SC3000-SC4000\f[R] to exclude 3xxx.
+All warnings can be disabled with \f[C]disable=all\f[R].
 .TP
-.B \f[B]enable\f[R]
+\f[B]enable\f[R]
 Enable an optional check by name, as listed with
-\f[B]\[en]list\-optional\f[R].
-Only file\-wide \f[C]enable\f[R] directives are considered.
+\f[B]--list-optional\f[R].
+Only file-wide \f[C]enable\f[R] directives are considered.
+.TP
+\f[B]external-sources\f[R]
+Set to \f[C]true\f[R] in \f[C].shellcheckrc\f[R] to always allow
+ShellCheck to open arbitrary files from \[aq]source\[aq] statements (the
+way most tools do).
+.RS
+.PP
+This option defaults to \f[C]false\f[R] only due to ShellCheck\[aq]s
+origin as a remote service for checking untrusted scripts.
+It can safely be enabled for normal development.
+.RE
 .TP
-.B \f[B]source\f[R]
+\f[B]source\f[R]
 Overrides the filename included by a \f[C]source\f[R]/\f[C].\f[R]
 statement.
 This can be used to tell shellcheck where to look for a file whose name
 is determined at runtime, or to skip a source by telling it to use
 \f[C]/dev/null\f[R].
 .TP
-.B \f[B]source\-path\f[R]
+\f[B]source-path\f[R]
 Add a directory to the search path for \f[C]source\f[R]/\f[C].\f[R]
-statements (by default, only ShellCheck\[cq]s working directory is
+statements (by default, only ShellCheck\[aq]s working directory is
 included).
 Absolute paths will also be rooted in these paths.
 The special path \f[C]SCRIPTDIR\f[R] can be used to specify the
-currently checked script\[cq]s directory, as in
-\f[C]source\-path=SCRIPTDIR\f[R] or
-\f[C]source\-path=SCRIPTDIR/../libs\f[R].
-Multiple paths accumulate, and \f[C]\-P\f[R] takes precedence over them.
+currently checked script\[aq]s directory, as in
+\f[C]source-path=SCRIPTDIR\f[R] or
+\f[C]source-path=SCRIPTDIR/../libs\f[R].
+Multiple paths accumulate, and \f[C]-P\f[R] takes precedence over them.
 .TP
-.B \f[B]shell\f[R]
+\f[B]shell\f[R]
 Overrides the shell detected from the shebang.
 This is useful for files meant to be included (and thus lacking a
-shebang), or possibly as a more targeted alternative to `disable=2039'.
+shebang), or possibly as a more targeted alternative to
+\[aq]disable=SC2039\[aq].
 .SH RC FILES
 .PP
-Unless \f[C]\-\-norc\f[R] is used, ShellCheck will look for a file
-\f[C].shellcheckrc\f[R] or \f[C]shellcheckrc\f[R] in the script\[cq]s
+Unless \f[C]--norc\f[R] is used, ShellCheck will look for a file
+\f[C].shellcheckrc\f[R] or \f[C]shellcheckrc\f[R] in the script\[aq]s
 directory and each parent directory.
 If found, it will read \f[C]key=value\f[R] pairs from it and treat them
-as file\-wide directives.
+as file-wide directives.
 .PP
 Here is an example \f[C].shellcheckrc\f[R]:
 .IP
@@ -318,16 +339,19 @@ Here is an example \f[C].shellcheckrc\f[R]:
 \f[C]
 # Look for \[aq]source\[aq]d files relative to the checked script,
 # and also look for absolute paths in /mnt/chroot
-source\-path=SCRIPTDIR
-source\-path=/mnt/chroot
+source-path=SCRIPTDIR
+source-path=/mnt/chroot
+
+# Allow opening any \[aq]source\[aq]d file, even if not specified as input
+external-sources=true
 
 # Turn on warnings for unquoted variables with safe values
-enable=quote\-safe\-variables
+enable=quote-safe-variables
 
 # Turn on warnings for unassigned uppercase variables
-enable=check\-unassigned\-uppercase
+enable=check-unassigned-uppercase
 
-# Allow [ ! \-z foo ] instead of suggesting \-n
+# Allow [ ! -z foo ] instead of suggesting -n
 disable=SC2236
 \f[R]
 .fi
@@ -351,7 +375,7 @@ default flags:
 .IP
 .nf
 \f[C]
-export SHELLCHECK_OPTS=\[aq]\-\-shell=bash \-\-exclude=SC2016\[aq]
+export SHELLCHECK_OPTS=\[aq]--shell=bash --exclude=SC2016\[aq]
 \f[R]
 .fi
 .PP
@@ -365,34 +389,74 @@ ShellCheck uses the following exit codes:
 .IP \[bu] 2
 1: All files successfully scanned with some issues.
 .IP \[bu] 2
-2: Some files could not be processed (e.g.\ file not found).
+2: Some files could not be processed (e.g.
+file not found).
 .IP \[bu] 2
-3: ShellCheck was invoked with bad syntax (e.g.\ unknown flag).
+3: ShellCheck was invoked with bad syntax (e.g.
+unknown flag).
 .IP \[bu] 2
-4: ShellCheck was invoked with bad options (e.g.\ unknown formatter).
+4: ShellCheck was invoked with bad options (e.g.
+unknown formatter).
 .SH LOCALE
 .PP
 This version of ShellCheck is only available in English.
-All files are leniently decoded as UTF\-8, with a fallback of
-ISO\-8859\-1 for invalid sequences.
-\f[C]LC_CTYPE\f[R] is respected for output, and defaults to UTF\-8 for
+All files are leniently decoded as UTF-8, with a fallback of ISO-8859-1
+for invalid sequences.
+\f[C]LC_CTYPE\f[R] is respected for output, and defaults to UTF-8 for
 locales where encoding is unspecified (such as the \f[C]C\f[R] locale).
 .PP
 Windows users seeing
 \f[C]commitBuffer: invalid argument (invalid character)\f[R] should set
-their terminal to use UTF\-8 with \f[C]chcp 65001\f[R].
-.SH AUTHORS
+their terminal to use UTF-8 with \f[C]chcp 65001\f[R].
+.SH KNOWN INCOMPATIBILITIES
 .PP
-ShellCheck is developed and maintained by Vidar Holen, with assistance
-from a long list of wonderful contributors.
+(If nothing in this section makes sense, you are unlikely to be affected
+by it)
+.PP
+To avoid confusing and misguided suggestions, ShellCheck requires
+function bodies to be either \f[C]{ brace groups; }\f[R] or
+\f[C]( subshells )\f[R], and function names containing \f[C][]*=!\f[R]
+are only recognized after a \f[C]function\f[R] keyword.
+.PP
+The following unconventional function definitions are identical in Bash,
+but ShellCheck only recognizes the latter.
+.IP
+.nf
+\f[C]
+[x!=y] () [[ $1 ]]
+function [x!=y] () { [[ $1 ]]; }
+\f[R]
+.fi
+.PP
+Shells without the \f[C]function\f[R] keyword do not allow these
+characters in function names to begin with.
+Function names containing \f[C]{}\f[R] are not supported at all.
+.PP
+Further, if ShellCheck sees \f[C][x!=y]\f[R] it will assume this is an
+invalid comparison.
+To invoke the above function, quote the command as in
+\f[C]\[aq][x!=y]\[aq]\f[R], or to retain the same globbing behavior, use
+\f[C]command [x!=y]\f[R].
+.PP
+ShellCheck imposes additional restrictions on the \f[C][\f[R] command to
+help diagnose common invalid uses.
+While \f[C][ $x= 1 ]\f[R] is defined in POSIX, ShellCheck will assume it
+was intended as the much more likely comparison
+\f[C][ \[dq]$x\[dq] = 1 ]\f[R] and fail accordingly.
+For unconventional or dynamic uses of the \f[C][\f[R] command, use
+\f[C]test\f[R] or \f[C]\[rs][\f[R] instead.
 .SH REPORTING BUGS
 .PP
 Bugs and issues can be reported on GitHub:
 .PP
 https://github.com/koalaman/shellcheck/issues
+.SH AUTHORS
+.PP
+ShellCheck is developed and maintained by Vidar Holen, with assistance
+from a long list of wonderful contributors.
 .SH COPYRIGHT
 .PP
-Copyright 2012\-2019, Vidar Holen and contributors.
+Copyright 2012-2021, Vidar Holen and contributors.
 Licensed under the GNU General Public License version 3 or later, see
 https://gnu.org/licenses/gpl.html
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