Seeing as the other base16 submodule just broke, I thought I'd check
this related one for breakage too, but this one hasn't had its default
branch deleted, and just some minor updates:

* vendor/base16-templates-source 420ca45...3af55c8 (8):
  > Update README.md
  > Merge pull request #105 from krgn/master
  > Merge pull request #102 from bradcush/feat/base16-nvim
  > Merge pull request #101 from wincent/patch-1
  > Merge pull request #98 from fmunch/mate-terminal
  > Merge pull request #97 from ArenM/master
  > Merge pull request #95 from MArpogaus/master
  > Merge pull request #92 from Misterio77/patch-2

* aspects/dotfiles/files/.zsh/zsh-autosuggestions a411ef3...c3d4e57 (6):
  > Merge pull request #687 from japanese-goblinn/master
  > Merge pull request #723 from migimigi/migimigi-patch-1
  > Merge pull request #671 from jirutka/patch-1
  > Merge pull request #711 from dpthegrey/patch-1
  > Merge pull request #758 from mjperrone/patch-1
  > Merge pull request #755 from rweir/master

* aspects/dotfiles/files/.zsh/zsh-history-substring-search 0f80b8e...400e58a (5):
  > Merge pull request #135 from jirutka/redrawhook
  > Merge pull request #97 from partcyborg/master
  > Merge pull request #117 from ivopauly/patch-1
  > Merge pull request #108 from ericbn/dont-overwrite-config
  > add HISTORY_SUBSTRING_SEARCH_PREFIX (#112,#115)

* aspects/dotfiles/files/.zsh/zsh-syntax-highlighting 82cf252...143b25e (276):
  > docs: Fix Homebrew link
  > docs: ZSH_HIGHLIGHT_HIGHLIGHTERS is (main) by default
  > docs: Markup changes only (in the brew installation instructions)
  > Fix proxychains args
  > docs: Add Fig instructions
  > main: Add cpulimit to precommands
  > main precommands += torsocks
  > main: Housekeep $precommand_options.  Add -v to tabbed(1).
  > main: Deconfuse $EDITOR
  > main: precommand_options += grc
  > *: Update sourceforge links
  > changelog: Update zsh version numbers
  > docs: regexp: Document the platform dependency
  > CI += zsh 5.8.1
  > driver: Bump the in-development is-at-least checks so they return false on zsh 5.8.1, released yesterday.
  > main: New test for issue #854
  > driver: Simplify grammar of a comment.  No functional change.
  > check KEYS_QUEUED_COUNT and PENDING to skip parsing when pasting
  > docs: Add `regexp` to the list of built-in highlighters
  > docs: Change highlighters' URL indexes from numbers to labels
  > *: Fix spelling
  > CI: Pull image from the GitHub container registry
  > main: Honor shwordsplit when expanding parameters
  > main: precommands += proxychains
  > docs,CI: Switch to Libera.Chat
  > docs: Use SSL for the link to zsh's homepage.
  > docs: Fix broken link to fish shell
  > main: Allow for "]" in shell aliases
  > 'main': Disable a lint warning when env(1) was followed by a pipe.
  > Switch to GitHub Actions from Travis
  > main: Remember nest level an alias was seen in for seen_alias
  > main: Convert in_alias to an array of shift counts
  > docs: Add resource link for NetBSD operating system
  > main: Forget seen aliases when starting a new command
  > Revert "tests: Add a test that 'rehash' isn't run."
  > tests: Add a test that 'rehash' isn't run.
  > docs: Update Gentoo link
  > tests: parameter-to-global-alias: Fix a false positive failure when 'x' happens to be a valid external command name.
  > changelog: Document #712 under the last tag, 0.8.0-alpha1-pre-redrawhook.
  > tests: precommand-killing1: Use a dummy path that always exists
  > driver: Fix a version number check to work around a bug in the zsh version whereunder the check should return false.
  > docs: Add OpenBSD port
  > docs: Sort INSTALL.md
  > empty commit: Close redrawhook bugs
  > Merge branch 'feature/redrawhook'
  > Post-release version number bump.
  > Tag version 0.8.0-alpha1-pre-redrawhook.
  > brackets: Optimize the character iteration
  > Revert "driver: Move the initialization of $zsh_highlight__memo_feature out of the entry point function."
  > driver: Move the initialization of $zsh_highlight__memo_feature out of the entry point function.
  > driver: Follow-up to grandparent: Have all test suite entry points declare the mock $region_highlight.
  > Use the new, unreleased zsh 'memo=' feature to remove only our own entries from $region_highlight.
  > driver: Stop re-declaring $region_highlight.  It's unneeded.
  > docs: regexp highlighter: Fix a wrong associative array name in the example.
  > docs: Fix obs-repository link
  > tests: Fix a wrong value of $PREBUFFER in a test, and add checks to prevent this from recurring.
  > test harness: Fix use of an undefined variable in an error message.
  > 'main': Don't progress the $in_redirection staller while $in_param.
  > tests: Add an XFail test for issue #712.
  > 'main': Highlight the parentheses of array assignments as reserved words.
  > CI += zsh-5.8
  > main: Add tests for arithmetic expansion
  > main: Add arithmetic substitution highlighting
  > changelog.md: Restore vertical whitespace before section headers.
  > 'main': Fix issue #677, concerning multiline aliases.
  > changelog: Update through HEAD.
  > 'main': Optimize the unquoted arguments characterwise walker
  > changelog: Update through HEAD.
  > test harness: Print the expected-v.-actual on every failure, not just upon cardinality failures.
  > Document ZSH_HIGHLIGHT_MAXLENGTH.
  > 'main': Fix the last commit's bug concerning parameter elision not happening in redirects in command position.
  > 'main': Add a test for parameter elision not happening in redirects in command position.
  > 'main': Fix regression in zsh 5.3.1 and older: all precmd hooks later than z-sy-h would be aborted.
  > changelog += WARN_NESTED_VAR fixes (#727, #731)
  > 'main': Fix a regression caused by the great-grandparent commit's WARN_NESTED_VAR fix.
  > 'main': Don't run `_zsh_highlight_main__type` on every non-command word.
  > 'make perf': Show only a cumulative datum per highligher, rather than per test file.
  > 'main': Don't trip WARN_NESTED_VAR.
  > 'main': Follow-up to previous: Document the version number, and deduplicate some option letters.
  > 'main': precommands += strace
  > editorconfig: Fix Makefile settings
  > Fix typo
  > Bump copyright years.
  > driver: Fix "_zsh_highlight:3: read-only variable: ret" warnings when POSIX_BUILTINS is set.
  > tests: Add a test for the infinite loop fixed by each of the last two commits.
  > 'main': Fix expansion of positional parameters in `_zsh_highlight_main_highlighter__try_expand_parameter`.
  > 'main': Fix an infinite loop.
  > 'main': precommands += ionice(1) (from util-linux)
  > driver: Simplify initialization of $zsyh_user_options in the fallback codepath.
  > driver: Make sure we don't change the return value in a called function.
  > 'main': Make logic more robust.  No functional change.
  > 'main': Break out an anonymous function into a named function.
  > Fix typos in comments.
  > main: Add test for issue #713
  > 'main': Support the 'env' precommand.
  > test harness: Fix the pretty-printer's padding implementation.
  > Revert "test harness: Rewrite the columnar pretty-printer without external tools." and "travis: Remove bsdmainutils since column(1) has been removed, three commits ago."
  > changelog: Update through HEAD.
  > Merge pull request #669 from danielshahaf/cdpath-and-nonexecutable-in-command-position-v1
  > 'main': Correctly highlight '&&' and '||' inside '[[ … ]]' conditions.
  > 'main': Highlight reserved words following assignments as errors.
  > tests: Add tests for issue #461.
  > test harness: Output the time information to the same place the test name was printed to.
  > test harness: Stringify values in a more readable manner.
  > tests: Add a unit test for a path specified with mixed quoting.
  > tests: Add a test for issue #498, which has already been fixed.
  > tests: Test that global qualifiers and command substitutions aren't evaluated.
  > 'main': Highlight errors from the EQUALS option.
  > 'main': Let the type determination ignore global aliases when it ignores regular ones.
  > 'main': Add a regression test for parameters that expand to global aliases.
  > 'main': Enable the zsh/parameter codepath of global aliases highlighting.
  > changelog: Update through HEAD.
  > travis: Remove bsdmainutils since column(1) has been removed, three commits ago.
  > 'main': Highlight global aliases
  > tests: Record current behaviour on global aliases.
  > test harness: Rewrite the columnar pretty-printer without external tools.
  > test harness: Fix an issue with the pretty-printed $expected_region_highlight/$region_highlight diffing.
  > 'main': Support the "close file descriptor" and "coproc" redirection syntaxes
  > tests: Add a test for the "close file descriptor" and "coproc" redirection syntaxes
  > tests: Fix the test added in the last commit.
  > tests: Add a test for issue #705, concerning continuation lines.
  > test harness: Let tests fail early by exiting non-zero or by setting a flag.
  > test harness: Print the test name when $skip_test is set.
  > test harness: Remove a bogus check.
  > test harness: Fix $skip_test support, broken yesterday.
  > travis: Install bsdmainutils to provide column(1).
  > Merge remote-tracking branch 'danielsh/whitespace-historical'
  > test harness: When the cardinality check fails, pretty-print \$expected_region_highlight and \$region_highlight.
  > test harness: Don't leak options from test files to the test harness.
  > test harness: Fix test failures under zsh 5.0.8 and older.
  > 'main': Fix a bug manifesting under zsh 5.2 and older.
  > 'main': Don't highlight arithmetic expansions as command substitutions.
  > tests: Add a test documenting the current state, prior to introducing #704.
  > test harness: Change cardinality check semantics
  > test harness: No-op change to minimize the next diff.
  > 'main': Document additional meanings of the 'S' $braces_stack flag.
  > 'main': When the redirection operator '>&' or '<&' is followed by a positive integer, do not consider that as a filename; it's always a file descriptor.
  > 'main': Add $last_arg for "lookbehind".
  > noop: Clarify comment.
  > 'main': Honour the MULTIOS option when applying the 'globbing' style.
  > 'main': Document what $in_redirection is currently used for.
  > 'main': The optimized cmdsubst input syntax doesn't glob.
  > changelog: Fix markup.
  > tests: Add a test for issue #571.
  > changelog.md (0.7.0): Fix typo
  > tests: Add a test for a bug fixed in 2d0dddf58bab0bd9220f29919065ff85db66390e "'main': Don't dequote the word in command position before analyzing it.".
  > 'main': Fix highlighting of null execs.
  > 'main': Optimize the path_prefix check.
  > changelog: Update through HEAD.
  > Merge the first three commits of PR #669
  > changelog: Update through HEAD.
  > 'main': Support the non-precommand flags of sudo(8) and ssh-agent(1).
  > 'main': Add infrastructure for precommand options that are not to be followed by a command word (issue #678).
  > 'main': Don't use «foo && bar || baz» where a trenary is more appropriate.
  > 'main': Prepare to add additional fields to $precommand_options values.
  > tests: Fix an XFail test expectation.
  > tests: Fixup last commit.
  > tests: Add a test for uninstalled precommands.
  > Merge remote-tracking branch 'danielsh/tests-skip-cardinality-v1'
  > changelog: Update through HEAD.
  > 'main': Document the second meaning of the 'comment' style.
  > 'main': Factor out common logic to after the case/esac.
  > 'main': Support parameter elision in command position.
  > 'main': Expand comment.
  > make test: Re-enable syntax highlighting of TAP output in interactive runs
  > editorconfig += Makefile
  > tests: Fix the test for alias loops.
  > tests: Add an XFail test for issue #694.
  > 'main': Allow newlines in command position.
  > tests: Distinguish issues #616 and #677.
  > tests: Add cross-references.
  > 'main': Clarify documentation of the :sudo_opt: and :sudo_arg: states.
  > changelog: Update through HEAD.
  > tests: Extend and document the after-a-parse-error aspects of the issue #651 test.
  > 'main': Highlight pipes inside array assignments as errors
  > noop: Add comments.
  > 'main': Highlight literal semicolons in array assignments as errors.
  > 'main': Add infrastructure for treating literal newlines differently to semicolons.
  > tests: Add some tests for unusual or invalid elements in array assignments:
  > test harness: Update tests/edit-failed-tests for harness output changes in commit 2b3638a211cca4790c5b3b4f607edc0b0b2b6c73, "test harness: Tweak quiet-test output".
  > changelog: Update through HEAD.
  > driver: Be resilient to KSH_ARRAYS being set in the calling scope
  > main: Declare variable local to fix WARN_CREATE_GLOBAL error
  > make test: Run tests under env -i
  > 'main': Add a test for issue #687, concerning the SH_WORD_SPLIT option.
  > Highlight redirections by default, and add that to the examples in README.
  > tests harness docs: Add paragraph breaks.
  > 'main': Fix issue #577.
  > 'main': Fix the currently-failing test for issue #577.
  > test harness: Honour $expected_mismatch when there are more expected than observed highlights.
  > Post-release version number bump.
  > Tag version 0.7.1.
  > release.md: Update with the step that was missed in 0.7.0.
  > Update changelog for the 0.7.1 release.
  > Update changelog for the 0.7.0 release.  (Yes, this should have been committed earlier today.)
  > Post-release version number bump.
  > Tag version 0.7.0.
  > release.md: Add details about a step.
  > tests: Fix the last added test to pass when sudo(8) isn't installed.
  > Bump copyright years.
  > tests: Add a test for partial elisions of parameter expansions in command position
  > tests: Fix previous
  > tests: Add main test for alias of a parameter like string
  > test harness: Tweak quiet-test output
  > test harness: Include $PREBUFFER and $BUFFER in the output.
  > noop: Whitespace changes only.
  > tests: Support non-arrays in typeset_p().
  > 'main': Do not look for metacharacters in parameter expansions.
  > 'main': Add two tests for metacharacters in parameter expansions.
  > 'main': Parameter expansions may not contain assignments.
  > tests: Add tests for issue #670.
  > 'main': Pass parameters through the multi-word machinery, as we already do for aliases.
  > 'main': precommands += chronic, ifne (from moreutils)
  > docs: Fix typo
  > main: Add tests for issue #678
  > changelog: Document #670 as a known issue.
  > changelog: Document #677 as a known issue.
  > tests: Fix another instance of issue from the last commit.
  > tests: Unbreak the build on zsh 5.0.8 and older.
  > tests: Don't filter out tests that aborted.
  > 'main': precommands: Remove argumentless options that can't be followed by a command word.
  > docs: Track FreeBSD port rename
  > 'main': Support tabbed(1) from suckless-tools
  > tests: Add a regression test for issue #676.
  > Bump copyright years.
  > dev tools: New script to ease opening $EDITOR on failing tests.
  > dev tools: Allow specifying preamble code when generating test cases.
  > Add .editorconfig file.
  > tests: Add failing tests for issue #674.
  > tests: Make sudo-longopt pass when sudo isn't installed.
  > 'main': Restore 0.6.0's behaviour for unknown options.
  > 'main': Don't highlight unknown precommand flags as errors.
  > 'main': Add an XFail test for #641 and #658.
  > 'main': Change the issue a test is associated with.
  > 'main': Add some tests for complete and partial absolute paths in command position.
  > 'main': Update comments after last commit.  No functional change.
  > 'main': Simplify alias handling.
  > 'main': Fix issue #652.
  > 'main': precommands += ssh-agent
  > 'main': Fix the new 'backslash' test on zsh-5.0.2 and older.  (The bug occurred on zsh-5.0.7 and older but I don't have zsh-5.0.7 handy to test on.)
  > 'main': Don't dequote the word in command position before analyzing it.
  > noop: Quote the bitflag values.
  > Bump copyright years.
  > release.md: Add missing argument.
  > Post-release version number bump.
  > Tag version 0.7.0-beta1.
  > changelog: Add three entries
  > changelog: Start 0.7.0's changelog.
  > Add a unit test for dc1b2f6fa4bb477e7b9712ebdb4e82beb50258c6.
  > Add a test for redirection from/to process substitution.
  > Don't describe as ZSH_HIGHLIGHT_DIRS_BLACKLIST as experimental, now that it's named without the X_ prefix.
  > Add a test for 2f03b6d704afd172d5fdf73ca5ebde8be5824056.
  > dev tools: Fix regression introduced in commit "Print the test data to stdout for convenience.".
  > 'main': Add a test for 07f259f653df042e599975261cac7be1bda17b5c.
  > dev tools: Print the test data to stdout for convenience.
  > 'main': Fix highlighting of the 'time' and 'nocorrect reserved words
  > 'main': Add two basic tests for aliases.
  > 'main': Add a regression test for #652.
  > 'main': Add some precommands.
  > main: Add test for previous
  > main: Avoid $end_pos when calculating $arg size
  > driver: adjust region end for vi command mode
  > release.md: Document that release tags should be signed.
  > main: Drop X_ from X_ZSH_HIGHLIGHT_DIRS_BLACKLIST
  > 'main': Fix issue #623 by fixing the expectations of the regression test of issue #616.
  > main: Fix misspelling in test expectation
  > main: Add more alias tests
  > main: Use longer alias name in tests
  > main: Stop highlighting alias as its first word too
  > main: Fix faulty test
  > main: Use zsyh_user_options when splitting alias RHS
  > main: Do not highlight empty region between two adjacent $()
  > 'main': Hackily unbreak 'make test'.
  > 'main': Add an XFail regression test for issue #616.
  > 'main': Fix an issue whereby a --option was highlighted as a file
  > tests: use zshusers/zsh image with tags (see zsh-users/zsh-docker#16)