dotemacs

My Emacs configuration
git clone git://git.entf.net/dotemacs
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Changelog.org (19834B)


      1 * 0.3.0
      2 ** Fixes
      3 *** Candidate window reversal
      4 See [[https://github.com/abo-abo/avy/issues/27][#27]].
      5 
      6 *** Jumping to newlines with =at-full= style
      7 See [[https://github.com/abo-abo/avy/issues/5][#5]].
      8 
      9 *** Stop =at-full= style from shifting text sometimes
     10 See [[https://github.com/abo-abo/avy/issues/5][#5]].
     11 
     12 *** Fix =at-full= interaction with tabs
     13 When at a tab, visualize it using =tab-width= spaces.
     14 
     15 See [[https://github.com/abo-abo/avy/issues/43][#43]].
     16 
     17 *** Fix overlay issue when the same buffer is in two windows
     18 
     19 See [[https://github.com/abo-abo/avy/issues/47][#47]] and http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20607.
     20 
     21 *** Quote punctuation chars
     22 
     23 See [[https://github.com/abo-abo/avy/issues/63][#63]].
     24 
     25 *** Update screenshot for =avy-goto-char= in README.md
     26 Use ~C-:~ as the new suggested binding instead of the pi char.
     27 
     28 See [[https://github.com/abo-abo/avy/issues/64][#64]].
     29 
     30 ** New Features
     31 *** =avy-goto-line= can now break into =goto-line=
     32 Just enter a digit and you'll be transferred into =goto-line= prompt
     33 with that digit already entered.  This means that you can just bind
     34 ~M-g g~ to =avy-goto-line= without losing anything.
     35 
     36 See [[https://github.com/abo-abo/avy/issues/29][#29]].
     37 
     38 *** =avy-goto-line= now works with all kinds of overlay styles
     39 Any of the following do something different now:
     40 
     41 #+begin_src elisp
     42 (setq avy-styles-alist
     43       '((avy-goto-line . post)))
     44 (setq avy-styles-alist
     45       '((avy-goto-line . at)))
     46 (setq avy-styles-alist
     47       '((avy-goto-line . at-full)))
     48 (setq avy-styles-alist
     49       '((avy-goto-line . pre)))
     50 #+end_src
     51 
     52 See [[https://github.com/abo-abo/ace-link/issues/17][#17]].
     53 
     54 *** New defcustom =avy-case-fold-search=
     55 Non-nil when searches should ignore case, so e.g. =avy-goto-char= "b"
     56 will match both "b" and "B". On by default. Use this to turn off this
     57 behavior:
     58 
     59 #+begin_src elisp
     60 (setq avy-case-fold-search nil)
     61 #+end_src
     62 
     63 See [[https://github.com/abo-abo/avy/issues/34][#34]].
     64 
     65 *** New command =avy-goto-word-or-subword-1=
     66 
     67 Enter one char, and select a visible word or subword that starts with
     68 it, depending on =subword-mode=. Move the point there.
     69 
     70 See [[https://github.com/abo-abo/avy/issues/33][#33]].
     71 
     72 *** =avy-move-line= should remove empty line after original one is moved
     73 
     74 See [[https://github.com/abo-abo/avy/issues/40][#40]].
     75 
     76 *** =avy-move-line= now takes a prefix arg
     77 Use e.g. ~M-3~ before =avy-move-line= to move 3 lines at once.
     78 
     79 *** Most commands can be used non-interactively
     80 Example:
     81 #+begin_src elisp
     82 (defun avy-goto-lp ()
     83   (interactive)
     84   (avy-goto-char ?\())
     85 #+end_src
     86 
     87 This command only goes to the "(" character. This is actually very
     88 similar to [[http://oremacs.com/lispy/#lispy-ace-paren][=lispy-ace-paren=]], except the implementation is only one
     89 line.
     90 
     91 See [[https://github.com/abo-abo/avy/issues/44][#44]].
     92 
     93 *** (almost) all defcustoms are explained on the wiki
     94 
     95 See [[https://github.com/abo-abo/avy/wiki/defcustom][the defcustom wiki page]].
     96 
     97 *** Allow all operations to work across frames
     98 
     99 You have to customize =avy-all-windows= for this. By default, it's set
    100 to work on all windows on the current frame.
    101 
    102 To make it work only on the current window, use:
    103 #+begin_src elisp
    104 (setq avy-all-windows nil)
    105 #+end_src
    106 
    107 To make it work on all frames, use:
    108 #+begin_src elisp
    109 (setq avy-all-windows 'all-frames)
    110 #+end_src
    111 
    112 *** New command =avy-goto-char-in-line=
    113 
    114 This is =avy-goto-char= reduced only to the current line. Few
    115 candidates means very short decision chars path.
    116 
    117 See [[https://github.com/abo-abo/avy/issues/49][#49]].
    118 
    119 *** New overlay style =de-bruijn=
    120 
    121 How to use it:
    122 
    123 #+begin_src elisp
    124 (setq avy-style 'de-bruijn)
    125 #+end_src
    126 
    127 What it does: when your leading chars are clumped up together, it's
    128 impossible to overlay the decision path without shifting the buffer
    129 text a bit. For example, with the word "buffer", you =avy-goto-char= "b", and:
    130 
    131 - the path for the first "f" is "aj"
    132 - the path for the second "f" is "ak"
    133 
    134 It's not possible to overlay 4 characters over "ff" in "buffer". But
    135 to with =de-bruijn= style, which results in the path being "aj" and
    136 "jk". It's possible to overlay "ajk" just fine.
    137 
    138 Pros and cons of =de-bruijn= over other styles:
    139 
    140 - a pro is that it's possible to display the full decision path for
    141   clumped up chars, which is truncated for other styles
    142 - a con is that the decision path is of the same length (e.g. 2 or 3)
    143   for all candidates, while with other styles it's possible to have a
    144   few candidates with a shorter path.
    145 
    146 See [[https://github.com/abo-abo/avy/issues/51][#51]] and [[https://github.com/abo-abo/avy/issues/5][#5]].
    147 
    148 *** New defcustom =avy-ignored-modes=
    149 
    150 This is meant for visual modes like =doc-view-mode= or =image-mode=
    151 that can have a huge number of chars in a single window. Which results
    152 in a huge number of candidates even in other windows.
    153 
    154 Current setting:
    155 
    156 #+begin_src elisp
    157 (setq avy-ignored-modes '(image-mode doc-view-mode pdf-view-mode))
    158 #+end_src
    159 
    160 See [[https://github.com/abo-abo/avy/issues/57][#57]].
    161 
    162 *** New tutorial on writing custom commands
    163 
    164 See the [[https://github.com/abo-abo/avy/wiki/custom-commands][the custom-commands wiki page]] and [[https://github.com/abo-abo/avy/issues/55][#55]].
    165 
    166 *** New face setup
    167 New variable =avy-lead-faces= will determine the faces used to color
    168 the current decision depth you're in.  For example, if to select a
    169 particular candidate you need to press "abc":
    170 
    171 - "a" will be highlighted with a face that corresponds to depth 3
    172 - "b" will be highlighted with a face that corresponds to depth 2
    173 - "c" will be highlighted with a face that corresponds to depth 1
    174 
    175 But if another candidate needs "ef":
    176 
    177 - "e" will be highlighted with a face that corresponds to depth 2
    178 - "f" will be highlighted with a face that corresponds to depth 1
    179 
    180 See [[https://github.com/abo-abo/avy/issues/53][#53]].
    181 
    182 *** New variable =avy-translate-char-function=
    183 
    184 You can use this, for example, to interpret one character as another in =avy-keys=.
    185 
    186 Example:
    187 #+begin_src elisp
    188 (setq avy-translate-char-function
    189           (lambda (c) (if (= c 32) ?a c)))
    190 #+end_src
    191 
    192 This will translate ~SPC~ (32) into ~a~. So you can press either ~a~ or ~SPC~ to mean "a".
    193 
    194 *** =avy-isearch= works for different styles
    195 
    196 See [[https://github.com/abo-abo/avy/issues/61][#61]].
    197 
    198 *** Switch the default style from =pre= to =at-full=
    199 
    200 I've come to like =at-full= more than =pre= over time. The difference
    201 is that =pre= hides no chars in your buffer, while =at-full= doesn't
    202 shift text.
    203 
    204 Use this to restore the previous default behavior:
    205 #+begin_src elisp
    206 (setq avy-style 'pre)
    207 #+end_src
    208 * 0.4.0
    209 ** Fixes
    210 *** =avy-goto-char-timer= obeys =avy-styles-alist=
    211 See [[https://github.com/abo-abo/avy/issues/67][#67]].
    212 *** Add =de-bruijn= to the defcustom of =avy-styles-alist=
    213 See [[https://github.com/abo-abo/avy/issues/73][#73]].
    214 *** Respect the current input method for target chars
    215 See [[https://github.com/abo-abo/avy/issues/76][#76]].
    216 *** =avy-goto-subword-0= shouldn't offer invisible chars
    217 See [[https://github.com/abo-abo/avy/issues/90][#90]].
    218 *** Better =case-fold-search= handling
    219 See [[https://github.com/abo-abo/avy/issues/87][#87]].
    220 *** Add misc punctuation to subword commands
    221 See [[https://github.com/abo-abo/avy/issues/93][#93]].
    222 *** Add padding for wide-width chars (ex. Japanese and Chinese)
    223 See [[https://github.com/abo-abo/avy/issues/96][#96]].
    224 *** =avy-goto-line=
    225 **** Push mark for numeric line
    226 See [[https://github.com/abo-abo/avy/issues/74][#74]].
    227 **** Allow numeric prefix arg
    228 The old behavior remains for ARG 1 or 4. For all other ARG, simply go
    229 to that line.
    230 See [[https://github.com/abo-abo/avy/issues/86][#86]].
    231 **** Work for =visual-line-mode=
    232 See [[https://github.com/abo-abo/avy/issues/91][#91]].
    233 **** Don't error on end of buffer
    234 See [[https://github.com/abo-abo/avy/issues/91][#91]].
    235 **** Obey =avy-background=
    236 See [[https://github.com/abo-abo/avy/issues/94][#94]].
    237 **** Fix for narrowed regions
    238 See [[https://github.com/abo-abo/avy/issues/122][#122]], [[https://github.com/abo-abo/avy/issues/123][#123]].
    239 **** Don't modify =avy-action=
    240 See [[https://github.com/abo-abo/avy/issues/124][#124]].
    241 *** =avy-goto-char-timer=
    242 **** May read as many chars as you want
    243 See [[https://github.com/abo-abo/avy/issues/97][#97]].
    244 **** Highlight matches while reading chars
    245 See [[https://github.com/abo-abo/avy/issues/98][#98]].
    246 **** Highlight depending on =avy-all-windows=
    247 See [[https://github.com/abo-abo/avy/issues/104][#104]].
    248 **** Make faster for =org-mode=
    249 See [[https://github.com/abo-abo/avy/issues/100][#100]].
    250 **** Add case fold search
    251 See [[https://github.com/abo-abo/avy/issues/128][#128]].
    252 *** =avy-copy-region=
    253 **** Keep the same selectors for the second pass
    254 See [[https://github.com/abo-abo/avy/issues/120][#120]], [[https://github.com/abo-abo/avy/issues/121][#121]].
    255 **** Copy/move to initial window
    256 See [[https://github.com/abo-abo/avy/issues/131][#131]].
    257 *** Search only in the visible region
    258 See [[https://github.com/abo-abo/avy/issues/108][#108]], [[https://github.com/abo-abo/avy/issues/109][#109]].
    259 *** Fix jumping to the last char of a folded Org outline
    260 See [[https://github.com/abo-abo/avy/issues/108][#108]].
    261 *** Fix for both =org-indent-mode= and =visual-line-mode=
    262 See [[https://github.com/abo-abo/avy/issues/110][#110]].
    263 *** Beep when there are no matches
    264 See [[https://github.com/abo-abo/avy/issues/111][#111]].
    265 *** Simplify overlay code
    266 Most functions reuse =avy--overlay= now.
    267 *** Fix de-bruijn "no catch for tag"
    268 See [[https://github.com/abo-abo/avy/issues/116][#116]].
    269 *** Fix overlays at =point-max=
    270 See [[https://github.com/abo-abo/avy/issues/125][#125]].
    271 *** Improve =case-fold-search= condition
    272 See [[https://github.com/abo-abo/avy/issues/126][#126]].
    273 *** Don't shorten selector string for =visual-line-mode= and =bolp=
    274 See [[https://github.com/abo-abo/avy/issues/129][#129]].
    275 *** Fix interaction with =goto-address-mode=
    276 ** New Features
    277 *** Allow non-printing keys in =avy-keys=
    278 Now you can set avy-keys also to the arrow keys and page up/down, e.g.
    279 
    280 #+begin_src elisp
    281 (setq avy-keys '(left right up down prior next))
    282 #+end_src
    283 
    284 and those will be displayed as ▲, ▼, ◀, ▶, △, ▽ in the overlays.  The
    285 display is controlled by the variable =avy-key-to-char-alist=.
    286 
    287 See [[https://github.com/abo-abo/avy/issues/77][#77]].
    288 *** Allow to switch action midway from goto to kill/mark/copy
    289 For example, suppose you have:
    290 
    291 #+begin_src elisp
    292 (global-set-key (kbd "M-t") 'avy-goto-word-1)
    293 #+end_src
    294 
    295 - To jump to a certain word starting with "w" (e.g. first one on
    296   screen): ~M-t w a~
    297 - To copy the word instead of jumping to it: ~M-t w na~.
    298 - To mark the word after jumping to it: ~M-t w ma~.
    299 - To kill the word after jumping to it: ~M-t w xa~.
    300 
    301 You can customize =avy-dispatch-alist= to modify these actions.
    302 
    303 See [[https://github.com/abo-abo/avy/issues/78][#78]].
    304 
    305 *** New command =avy-pop-mark=
    306 Goes back to the last location of =push-mark=:
    307 
    308 - has its own history,
    309 - handles multiple frames.
    310 
    311 See [[https://github.com/abo-abo/avy/issues/81][#81]] [[https://github.com/abo-abo/avy/issues/88][#88]] [[https://github.com/abo-abo/avy/issues/69][#69]].
    312 *** New commands =avy-goto-line-above= and =avy-goto-line-below=
    313 See [[https://github.com/abo-abo/avy/issues/106][#106]].
    314 *** New defcustom =avy-line-insert-style=
    315 Allows to modify the behavior of =avy-copy-line=, =avy-move-line=, and =avy-copy-region=.
    316 See [[https://github.com/abo-abo/avy/issues/117][#117]].
    317 *** New defcustom =avy-all-windows-alt=
    318 Allows to customize the behavior of =universal-argument= modifying
    319 =avy-all-windows=.
    320 See [[https://github.com/abo-abo/avy/issues/118][#118]].
    321 *** New defcustom =avy-subword-extra-word-chars=
    322 Allows to customize the behavior of =avy-goto-subword-0= and
    323 =avy-goto-subword-1= by adding extra chars that should match as word
    324 constituents.
    325 See [[https://github.com/abo-abo/avy/issues/116][#116]].
    326 * 0.5.0
    327 ** Fixes
    328 *** el:avy-action-copy
    329 Save selected window and frame. See [[https://github.com/abo-abo/avy/issues/133][#133]].
    330 
    331 Copy line for el:avy-goto-line. See [[https://github.com/abo-abo/avy/issues/191][#191]].
    332 *** el:avy-read
    333 Make ~C-g~ and ~ESC~ fail silently when reading char. See [[https://github.com/abo-abo/avy/issues/137][#137]].
    334 
    335 Display error message on mouse clicks. See [[https://github.com/abo-abo/avy/issues/226][#226]].
    336 
    337 Update el:avy-current-path before returning. See [[https://github.com/abo-abo/avy/issues/226][#226]].
    338 
    339 Quit on ~ESC~. See [[https://github.com/abo-abo/avy/issues/249][#249]].
    340 
    341 Fix for el:org-toggle-link-display. See [[https://github.com/abo-abo/avy/issues/261][#261]].
    342 
    343 Fix for el:buffer-invisibility-spec being t. See [[https://github.com/abo-abo/avy/issues/264][#264]].
    344 
    345 Allow "invisible" 'org-link. See [[https://github.com/abo-abo/avy/issues/269][#269]].
    346 *** el:avy-goto-word-1
    347 Works for "^A"-"^Z", see [[https://github.com/abo-abo/avy/issues/167][#167]].
    348 *** el:avy-goto-subword-0
    349 Add char at window start if empty, See [[https://github.com/abo-abo/avy/issues/145][#145]].
    350 
    351 Add option to limit scope. See [[https://github.com/abo-abo/avy/issues/235][#235]].
    352 *** el:avy-goto-subword-1
    353 Check el:char-after. See [[https://github.com/abo-abo/avy/issues/163][#163]].
    354 *** el:avy-isearch
    355 Escape regex. See [[https://github.com/abo-abo/avy/issues/147][#147]].
    356 *** el:avy-goto-char-2
    357 Translate ~RET~ to ~C-j~. See [[https://github.com/abo-abo/avy/issues/153][#153]].
    358 *** el:avy-action-goto
    359 Add el:raise-frame.
    360 *** el:avy-goto-char-timer
    361 Allow ~C-h~ to delete. See [[https://github.com/abo-abo/avy/issues/193][#193]].
    362 
    363 Obey el:avy-background for the initial search. See [[https://github.com/abo-abo/avy/issues/259][#259]].
    364 *** el:avy-goto-line
    365 Fix for empty buffer. See [[https://github.com/abo-abo/avy/issues/238][#238]].
    366 
    367 Add ability to display candidates from bottom to top. See [[https://github.com/abo-abo/avy/issues/236][#236]].
    368 *** el:avy--overlay-at-full
    369 More consistent face order.
    370 See [[https://github.com/abo-abo/avy/issues/270][#270]].
    371 *** documentation
    372 See [[https://github.com/abo-abo/avy/issues/223][#223]], [[https://github.com/abo-abo/avy/issues/226][#226]], [[https://github.com/abo-abo/avy/issues/218][#218]], [[https://github.com/abo-abo/avy/issues/245][#245]], [[https://github.com/abo-abo/avy/issues/262][#262]].
    373 
    374 ** New Features
    375 *** API
    376 New functions have been added as drop-in replacements of double-dash (private) avy
    377 functions that were used in other packages and configs. Please replace the references to
    378 the obsolete functions.
    379 
    380 **** el:avy-jump
    381 New API function to replace el:avy--generic-jump. See [[https://github.com/abo-abo/avy/issues/265][#265]], [[https://github.com/abo-abo/avy/issues/267][#267]].
    382 **** el:avy-process
    383 New API function to replace el:avy--process. See [[https://github.com/abo-abo/avy/issues/266][#266]].
    384 
    385 *** New actions
    386 **** el:avy-action-kill-stay
    387 Kill a word with el:avy-goto-char without moving there.
    388 Bound to ~X~.
    389 **** el:avy-action-ispell
    390 Auto-correct word at point. See [[https://github.com/abo-abo/avy/issues/142][#142]], [[https://github.com/abo-abo/avy/issues/160][#160]], [[https://github.com/abo-abo/avy/issues/161][#161]].
    391 Bound to ~i~.
    392 **** el:avy-action-yank
    393 Yank sexp starting at selected point at the current point. See [[https://github.com/abo-abo/avy/issues/183][#183]].
    394 Bound to ~y~.
    395 **** el:avy-action-teleport
    396 Kill sexp starting on selected point and yank into the current location. See [[https://github.com/abo-abo/avy/issues/207][#207]].
    397 Bound to ~t~.
    398 **** el:avy-action-zap-to-char
    399 Kill from point up to selected point. See [[https://github.com/abo-abo/avy/issues/234][#234]].
    400 Bound to ~z~.
    401 
    402 *** New defcustoms
    403 **** New el:avy-style setting: 'words
    404 Use this setting:
    405 #+begin_src elisp
    406 (setq avy-style 'words)
    407 #+end_src
    408 And you'll see overlays like "by", "if", "is", "it", "my" for 2-letter sequences, and
    409 "can", "car", "cog" for 3-letter sequences. You might find them easier to type than "hla",
    410 "lls" and "jhl". But you will have to adjust your el:avy-dispatch-alist, e.g. to use only
    411 upper case characters.
    412 
    413 See [[https://github.com/abo-abo/avy/issues/210][#210]], [[https://github.com/abo-abo/avy/issues/219][#219]].
    414 **** el:avy-orders-alist
    415 Use it to customize the order of candidates with relation to point.  The default is for
    416 el:avy-goto-char to have the shortest overlay for candidates closest to point.
    417 See [[https://github.com/abo-abo/avy/issues/242][#242]].
    418 **** el:avy-indent-line-overlay
    419 When non-nil el:avy-goto-line will display the line overlay next to the first
    420 non-whitespace character of each line. See [[https://github.com/abo-abo/avy/issues/244][#244]].
    421 **** el:avy-single-candidate-jump
    422 When non-nil, and there is only one candidate, jump there. See [[https://github.com/abo-abo/avy/issues/250][#250]].
    423 **** el:avy-del-last-char-by
    424 Customize keys which delete the last read char. The defaults are ~C-h~ and ~DEL~. See [[https://github.com/abo-abo/avy/issues/251][#251]].
    425 **** el:avy-goto-word-0-regexp
    426 Customize el:avy-goto-word-0. See [[https://github.com/abo-abo/avy/issues/136][#136]], [[https://github.com/abo-abo/avy/issues/156][#156]].
    427 **** el:avy-pre-action
    428 Function to all before el:avy-action. See [[https://github.com/abo-abo/avy/issues/260][#260]].
    429 **** el:avy-enter-times-out
    430 When non-nil (the default), ~RET~ exists el:avy-goto-char-timer early.
    431 When nil, it matches a newline.
    432 See [[https://github.com/abo-abo/avy/issues/220][#220]], [[https://github.com/abo-abo/avy/issues/225][#225]].
    433 
    434 *** New commands
    435 **** el:avy-move-region
    436 Select two lines and move the text between them above the current line.
    437 See [[https://github.com/abo-abo/avy/issues/75][#75]], [[https://github.com/abo-abo/avy/issues/187][#187]], [[https://github.com/abo-abo/avy/issues/188][#188]].
    438 **** el:avy-goto-end-of-line
    439 Call el:avy-goto-line and move to the end of the line. See [[https://github.com/abo-abo/avy/issues/240][#240]].
    440 
    441 **** el:avy-linum-mode
    442 Minor mode that uses avy hints for el:linum-mode.
    443 
    444 **** el:avy-resume
    445 Holds last command avy command after user input. This is a quick way to bring back the
    446 same markers after a jump. See [[https://github.com/abo-abo/avy/issues/157][#157]], [[https://github.com/abo-abo/avy/issues/165][#165]].
    447 **** el:avy-next
    448 Go to the next candidate after el:avy-read.
    449 Example config:
    450 
    451 #+begin_src elisp
    452 (defhydra hydra-avy-cycle ()
    453   ("j" avy-next "next")
    454   ("k" avy-prev "prev")
    455   ("q" nil "quit"))
    456 
    457 (global-set-key (kbd "C-M-'") 'hydra-avy-cycle/body)
    458 #+end_src
    459 
    460 After e.g. el:avy-goto-char or el:avy-goto-char-timer, use the above hydra to cycle
    461 between the last candidates.  See [[https://github.com/abo-abo/avy/issues/254][#254]].
    462 **** *-above and *-below variants
    463 Command versions restricted to matches before or after the point.
    464 
    465 See [[https://github.com/abo-abo/avy/issues/148][#148]]:
    466 - el:avy-goto-char-2-above
    467 - el:avy-goto-char-2-below
    468 
    469 See [[https://github.com/abo-abo/avy/issues/151][#151]]:
    470 - el:avy-goto-word-1-above
    471 - el:avy-goto-word-1-below
    472 
    473 See [[https://github.com/abo-abo/avy/issues/156][#156]]:
    474 - el:avy-goto-symbol-1-above
    475 - el:avy-goto-symbol-1-below
    476 
    477 See [[https://github.com/abo-abo/avy/issues/186][#186]]:
    478 - el:avy-goto-word-0-below
    479 - el:avy-goto-word-0-above
    480 **** kill and save region functionality
    481 New avy-enabled commands:
    482 - el:avy-kill-whole-line
    483 - el:avy-kill-region
    484 - el:avy-kill-ring-save-whole-line
    485 - el:avy-kill-ring-save-region
    486 
    487 See [[https://github.com/abo-abo/avy/issues/158][#158]].
    488 **** org-mode functionality
    489 New avy-enabled commands:
    490 - el:avy-org-refile-as-child
    491 - el:avy-org-goto-heading-timer
    492 See [[https://github.com/abo-abo/avy/issues/214][#214]], [[https://github.com/abo-abo/avy/issues/258][#258]].
    493 *** el:avy-goto-char-timer
    494 Show the number of matches so far in the prompt. See [[https://github.com/abo-abo/avy/issues/253][#253]].
    495 *** el:avy-read
    496 Ignore mistyping when no candidates are available. See [[https://github.com/abo-abo/avy/issues/256][#256]].
    497 
    498 When the overlays are shown, press ~?~ to get dispatch help.