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  temporarily) broken indentation.
* automated/ruby-mode-tests.el (ruby-block-test-example):
  Break indentation of the do block opener and add a line inside it.
* automated/ruby-mode-tests.el (works-on-do, ok-with-three):
  Adjust line numbers.

  of "\\b".  Remove some checks made superfluous as a result.

Rakefile regexp.
(auto-mode-alist): Associate .gemspec files with ruby-mode
(https://bugs.ruby-lang.org/issues/5453).

  "module" and "def" to have indentation before them.  Regression
  from 2012-09-07T04:15:56Z!dgutov@yandex.ru (see the new test).

* test/automated/ruby-mode-tests.el
  (ruby-indent-after-block-in-continued-expression): New test.

Fixes: debbugs:13200

My favorite was that the word "dictionary" was misspelled.
Also, correct the title in the DeRemer & Pennello 1982 citation,
and add a URL.

Extract `ruby-syntax-propertize-expansions'.
(ruby-syntax-propertize-expansions): Only change syntax on
certain string delimiters, to punctuation.  This way the common
functions like forward-word and thing-at-point still work.
(ruby-match-expression-expansion): Improve readability.
(ruby-block-contains-point): New function.
(ruby-add-log-current-method): Handle several edge cases.

* test/automated/ruby-mode-tests.el
Rename one interpolation test; add three more.
(ruby-with-temp-buffer): New macro, use it where appropriate.
(ruby-add-log-current-method-examples): Use "_" for target point.
Add four tests for ruby-add-log-current-method.

Extract `ruby-syntax-propertize-expansions'.
(ruby-syntax-propertize-expansions): Only change syntax on
certain string delimiters, to punctuation.  This way the common
functions like forward-word and thing-at-point still work.

* test/automated/ruby-mode-tests.el
Rename one interpolation test; add three more.

(ruby-syntax-propertize-function): After everything else, search
for expansions in string literals, mark their insides as
whitespace syntax and save match data for font-lock.
(ruby-font-lock-keywords): Highlight just the 2nd group from
expression expansion matches.
(ruby-match-expression-expansion): Use the match data saved to the
text property in ruby-syntax-propertize-function.

* test/automated/ruby-mode-tests.el
Change direct font-lock face references to var references.
(ruby-interpolation-suppresses-syntax-inside): New test.
(ruby-interpolation-inside-percent-literal-with-paren): New
failing test.

more strict.  Add docstring.

* test/automated/ruby-mode-tests.el (ruby-indent-singleton-class): Pass.
(ruby-indent-inside-heredoc-after-operator)
(ruby-indent-inside-heredoc-after-space): New tests.

start/end keyword a bit harder.  Works with different values of N.
Add more comments.
(ruby-end-of-block): Update accordingly.

* test/automated/ruby-mode-tests.el (ruby-heredoc-font-lock)
(ruby-singleton-class-no-heredoc-font-lock)
(ruby-add-log-current-method-examples): New tests.
(ruby-test-string): Extract from ruby-should-indent-buffer.
(ruby-deftest-move-to-block): New macro.
Add several move-to-block tests.

period before class method names, not after.  Remove handling of
one impossible case.  Add comments.

* test/automated/ruby-mode-tests.el 
(ruby-add-log-current-method-examples): New test.
(ruby-test-string): Extract from ruby-should-indent-buffer.

font-lock the beginning of singleton class as heredoc.

* test/automated/ruby-mode-tests.el (ruby-heredoc-font-lock)
(ruby-singleton-class-no-heredoc-font-lock): New tests.

backward, always stop at indentation.  Reverts the change from
2012-08-12T22:06:56Z!monnier@iro.umontreal.ca.

Fixes: debbugs:12851

* progmodes/ruby-mode.el (auto-mode-alist): Add Rakefile in
  `auto-mode-alist' (Bug#12835).

* generic-x.el (rul-generic-mode): Use font-lock-constant-face.
* calendar/calendar.el (calendar-font-lock-keywords):
* calendar/diary-lib.el (diary-font-lock-keywords)
(diary-fancy-font-lock-keywords):
* textmodes/reftex-sel.el (reftex-insert-docstruct):
* textmodes/reftex-index.el (reftex-insert-index):
* textmodes/reftex-cite.el (reftex-format-bib-entry):
* progmodes/ruby-mode.el (ruby-font-lock-keywords):
* progmodes/ps-mode.el (ps-mode-font-lock-keywords-1):
* progmodes/prolog.el (prolog-font-lock-keywords):
* progmodes/idlwave.el (idlwave-idl-keywords):
* progmodes/ada-mode.el (ada-font-lock-keywords):
* net/snmp-mode.el (snmp-font-lock-keywords-3): Likewise.

* font-lock.el (font-lock-reference-face): Use
define-obsolete-variable-alias.

whitespace after "end".
(ruby-do-end-to-brace): Collapse block to one line if it fits
within fill-column.

not just expect to be at its beginning.  Adjust callees.
Succeed when do-end block has no space before the pipe character.
(ruby-brace-to-do-end): When the original block is one-liner,
convert to multiline.  Reindent the result.

* test/automated/ruby-mode-tests.el:
(ruby-toggle-block-to-multiline): New test.
(ruby-should-indent-buffer, ruby-toggle-block-to-do-end)
(ruby-toggle-block-to-brace): Use buffer-string.

  previous change.

fail when reached LIMIT.

(ruby-beginning-of-defun): Only consider 3 keywords defun beginners.
(ruby-end-of-defun): Expect that the point is at the beginning of
the defun.

(ruby-beginning-of-defun): Simplify, allow indentation before
block beginning and end keywords.  Also, fix accidental change in the former.

ruby-beginning-of-indent, simplify, allow all keywords to have
indentation before them.
(ruby-beginning-of-indent): Adjust for above.  Search until the
found point is not inside a string or comment.
(ruby-font-lock-keywords): Allow symbols to start with "@"
character, give them higher priority than variables.
(ruby-syntax-propertize-function)
(ruby-font-lock-syntactic-keywords): Remove the "not comments"
matchers.  Expression expansions are not comments when inside a
string, and there comment syntax status is irrelevant.
(ruby-match-expression-expansion): New function.  Check that
expression expansion is inside a string, and it's not escaped.
(ruby-font-lock-keywords): Use it.

* test/automated/ruby-mode-tests.el: New tests (Bug#11613).

(ruby-mode-map): Don't bind ruby-electric-brace,
ruby-beginning-of-defun, ruby-end-of-defun, ruby-mark-defun,
backward-kill-word, reindent-then-newline-and-indent.
(ruby-mark-defun): Remove.
(ruby-electric-brace): Remove.  Obsoleted by electric-indent-chars.
(ruby-mode): Set local beginning-of-defun-function and
end-of-defun-function values.

(ruby-syntax-propertize-function): Use it to recognize regexps.
Don't look at the text after regexp, just use the whitelist.
* test/indent/ruby.rb: Rearrange examples, add new ones.

Fixes: debbugs:6286

(ruby-percent-literal-beg-re): New constant.
(ruby-syntax-general-delimiters-goto-beg): Rename to
`ruby-syntax-enclosing-percent-literal', improve literal type check.
(ruby-syntax-propertize-general-delimiters): Rename to
`ruby-syntax-propertize-percent-literal', it's a shorter and more
popular term.  Adjust comments everywhere.
(ruby-syntax-propertize-percent-literal): Only propertize when not
inside a simple string or comment.  When the literal is unclosed,
leave the text after it unpropertized.

Fixes: debbugs:6286

* lisp/progmodes/ruby-mode.el (ruby-mode-map): Remove unnecessary
binding for `newline'.
(ruby-move-to-block): When moving backward, stop at block opening,
not indentation.
* progmodes/ruby-mode.el (ruby-brace-to-do-end)
(ruby-do-end-to-brace, ruby-toggle-block): New functions.
* progmodes/ruby-mode.el (ruby-mode-map): Add binding for
`ruby-toggle-block'.
* test/automated/ruby-mode-tests.el (ruby-move-to-block-stops-at-opening)
(ruby-toggle-block-to-do-end, ruby-toggle-block-to-brace): New test.

* lisp/progmodes/ruby-mode.el (ruby-mode-map): Remove deprecated
binding (use `M-;' instead).
(ruby-expr-beg, ruby-parse-partial): ?, _, and : are symbol
constituents, ! is not (but kinda should be).
(ruby-singleton-class-p): New function.
(ruby-expr-beg, ruby-in-here-doc-p)
(ruby-syntax-propertize-heredoc): Use it.
(ruby-syntax-propertize-function): Adjust for changes in
`ruby-syntax-propertize-heredoc'.

* test/automated/ruby-mode-tests.el (ruby-should-indent)
(ruby-assert-state): New functions.
Add new tests.

Fixes: debbugs:12169

up inside string symbol literal.
* test/automated/ruby-mode-tests.el: New file with one test.

Fixes: debbugs:11923

(ruby-syntax-propertize-regexp): Remove.
(ruby-syntax-propertize-function): Split regexp into chunks.
Match following code directly.
* test/indent/ruby.rb: New file, to test new syntax-propertize code.

(ruby-syntax-propertize-regexp): New function.
(ruby-syntax-propertize-function): Use it to handle regexp not preceded
by a special keyword.

(ruby-syntax-general-delimiters-goto-beg)
(ruby-syntax-propertize-general-delimiters): New functions.
(ruby-syntax-propertize-function): Use them to handle GDL.
(ruby-font-lock-keywords): Move old handling of GDL...
(ruby-font-lock-syntactic-keywords): .. to here.
(ruby-calculate-indent): Adjust indentation for GDL.

Fixes: debbugs:6286

(ruby-block-end-re, ruby-delimiter, ruby-parse-partial)
(ruby-beginning-of-indent): Be more careful with the difference
between word-boundary and symbol boundary.
(ruby-mode-syntax-table): Make : a symbol constituent.

Fixes: debbugs:10786

* lisp/progmodes/ruby-mode.el (ruby-backward-sexp):
* lisp/progmodes/ebrowse.el (ebrowse-draw-file-member-info):
* lisp/play/gamegrid.el (gamegrid-make-face):
* lisp/play/bubbles.el (bubbles--grid-width, bubbles--grid-height)
(bubbles--colors, bubbles--shift-mode, bubbles--initialize-images):
* lisp/notifications.el (notifications-notify):
* lisp/net/xesam.el (xesam-search-engines):
* lisp/net/quickurl.el (quickurl-list-insert):
* lisp/vc/vc-hg.el (vc-hg-dir-printer): Fix use of case.
* lisp/gnus/auth-source.el (auth-source-netrc-create):
* lisp/gnus/message.el (message-yank-original): Fix use of `case'.
* lisp/org/org-src.el (org-src-switch-to-buffer):
* lisp/org/org-plot.el (org-plot/gnuplot-script, org-plot/gnuplot):
* lisp/org/org-mouse.el (org-mouse-agenda-type):
* lisp/org/org-freemind.el (org-freemind-node-to-org):
* lisp/org/ob-sql.el (org-babel-execute:sql):
* lisp/org/ob-exp.el (org-babel-exp-do-export, org-babel-exp-code):
* lisp/org/ob-ref.el (org-babel-ref-resolve): Fix use of case.

Copy change made to ruby-font-lock-syntactic-keywords.