Merge remote-tracking branch 'origin/master' into 5.9

Right now, as we're preparing to tag the 5.8 release, the 5.9 branch is
maintained as a topic branch off master.

* origin/master:
  45287: zshexpn: Describe parameter elision and add some introductory prose
  45302: bin_umask(): Queue signals around umask().
  users/24656: docs: Add an example of setting and querying zstyles
  users/24659: Cross-ref doc for matchers.
  45296: D02glob: Clean up after test from users/24633
  45290: New helper script for listing XFail tests.
  users/24633: Add an xfail test for users/24619.
  unposted: additional typo fix
  45280: _git: add -local variants
  users/24628 (fixed): More doc for selectw-word-style widgets.
  45266: Fix losetup completion, broken in da085b7a20729401c725f91ae930200d0deda64f (41720).
  unposted: Fix punctuation.
  use /dev/fd on Cygwin for process substitution
  unposted: Two additional typo fixes.
  Fix typos reported by codespell in shell code
  Fix typos reported by codespell in Src/
  45269: Fix misspellings in completions and elsewhere.
  45261: _gcc: Detect clang-as-gcc
  unposted: internal: Remove Vim modeline that interferes with ztst.vim.
  unposted: internal: ztst.vim: Use :syn-sync to work around (#x) and "`\\\\\\\\`" confusing the highlighting.
  unposted: internal: zyodl.vim: Support glob qualifiers in example()'s
  unposted: internal: zyodl.vim: Support yodl comments.
  github #44: Allow completion for picocom to list symlinks to character devices
  45245: _gcc: add some clang specific warnings
  45231: _rsync: When completing remote modules, ignore more of the motd.
  unposted: _tac: Eliminate superfluous variable
  45226: _man: Improve completion of file paths
  45184: Clarify documentation of %-sequences understood by compadd -[Xx]
  45239: Remove 'appendhistory' from zsh-newuser-install
  45218: add more options to swaks completion
  45196: fix completion after make -C, allowing for -C being used multiple times
  unposted (after 45183): Fix yodl error: "contrib.yo:4457: No macro: back(...)".
  45181: Fix workers/45164: ${(S)%%} will now consider the empty string as a potential match.
  45183: Improve documentation examples
  unposted: Add some tests for ${(S)}, including a regression test for workers/45164.
  45169/0002 (tweaked for trailing newlines): Add an expected-to-fail test for workers/44007.
  45169/0001: In the test suite, allow test cases to be marked as expected to fail.
  users/24582 + users/24583: Add regression tests for the previous commit.
  24581: Fix array assignments in shell word splitting and completion.
  45160: zshexpn: Expand documentation of (S)
  45150 + 45152: zshexpn: Use a more minimal example in the documentation of (#b).
  unposted: internal: Vim ztst support: Add an ftplugin in addition to the syntax highlighter.
  45130: _multi_parts: Always pass -f to compadd if given by caller
  unposted: zerrmsg(): Fix macro guard missed in previous commit
  unposted: ChangeLog for last commit
  internal: Allow %L in zerrmsg() in non-debug builds, too.

1 files changed, 27 insertions, 8 deletions

diff --git a/Doc/Zsh/mod_zutil.yo b/Doc/Zsh/mod_zutil.yo
index 1e35d2245..e556e2b37 100644
--- a/Doc/Zsh/mod_zutil.yo
+++ b/Doc/Zsh/mod_zutil.yo
@@ -17,18 +17,37 @@ item(tt(zstyle -m) var(context) var(style) var(pattern))(
 This builtin command is used to define and lookup styles.  Styles are
 pairs of names and values, where the values consist of any number of
 strings.  They are stored together with patterns and lookup is done by
-giving a string, called the `context', which is compared to the
-patterns.  The definition stored for the first matching pattern will be 
-returned.
+giving a string, called the `em(context)', which is matched against the
+patterns.  The definition stored for the most specific pattern that matches
+will be returned.
 
-For ordering of comparisons, patterns are searched from most specific to
-least specific, and patterns that are equally specific keep the order in 
-which they were defined.  A pattern is considered to be more specific
+A pattern is considered to be more specific
 than another if it contains more components (substrings separated by
 colons) or if the patterns for the components are more specific, where 
 simple strings are considered to be more specific than patterns and
 complex patterns are considered to be more specific than the pattern
-`tt(*)'.
+`tt(*)'.  A `tt(*)' in the pattern will match zero or more characters
+in the context; colons are not treated specially in this regard.
+If two patterns are equally specific, the tie is broken in favour of
+the pattern that was defined first.
+
+em(Example)
+
+For example, to define your preferred form of precipitation depending on which
+city you're in, you might set the following in your tt(zshrc):
+
+example(zstyle ':weather:europe:*' preferred-precipitation rain
+zstyle ':weather:europe:germany:* preferred-precipitation none
+zstyle ':weather:europe:germany:*:munich' preferred-precipitation snow)
+
+Then, the fictional `tt(weather)' plugin might run under the hood a command
+such as
+
+example(zstyle -s ":weather:${continent}:${country}:${county}:${city}" preferred-precipitation REPLY)
+
+in order to retrieve your preference into the scalar variable tt($REPLY).
+
+em(Usage)
 
 The first form (without arguments) lists the definitions.  Styles
 are shown in alphabetic order and patterns are shown in the order
@@ -39,7 +58,7 @@ tt(zstyle).  The optional first argument is a pattern which will be matched
 against the string supplied as the pattern for the context; note that
 this means, for example, `tt(zstyle -L ":completion:*")' will
 match any supplied pattern beginning `tt(:completion:)', not
-just tt(":completion:*"):  use tt(":completion:\*") to match that.
+just tt(":completion:*"):  use tt(':completion:\*') to match that.
 The optional second argument limits the output to a specific var(style) (not a
 pattern).  tt(-L) is not compatible with any other options.