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e93d99a4a0
Don't use flex style to do any completion sorting. Previously, it was thought that the 'flex' completion style was only kicking in to do (approximate) fontification of the completions returned by the server, but it was found that it was also doing some its own sorting in certain situation of non-empty matching patterns. Replaced it with a new eglot--dumb-flex style which does only fontification. Github-reference: https://github.com/joaotavora/eglot/discussions/1306 * lisp/progmodes/eglot.el (eglot-completion-at-point): Rework. (eglot--dumb-flex, eglot--dumb-allc): New helpers. (completion-category-defaults): Rework Eglot-specific category. (completion-styles-alist): Add Eglot-specific style. * etc/EGLOT-NEWS: Mention change.
642 lines
21 KiB
Plaintext
642 lines
21 KiB
Plaintext
Eglot NEWS -*- outline -*-
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Copyright (C) 2018-2023 Free Software Foundation, Inc.
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See the end of the file for license conditions.
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Please send Eglot bug reports to 'bug-gnu-emacs@gnu.org', and Cc (or
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X-Debbugs-CC) the maintainer 'joaotavora@gmail.com' as well. Please
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read the chapter titled "Troubleshooting" in the Eglot manual,
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available https://joaotavora.github.io/eglot/#Troubleshooting-Eglot
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This file is about changes in Eglot, the Emacs client for LSP
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(Language Server Protocol) distributed with GNU Emacs since Emacs
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version 29.1 and with GNU ELPA since 2018.
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Note: references to some Eglot issues are presented as "github#nnnn".
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This refers to https://github.com/joaotavora/eglot/issues/. That is,
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to look up issue github#1234, go to
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https://github.com/joaotavora/eglot/issues/1234.
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* Changes in upcoming Eglot
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** Diff previews of edits and new variable 'eglot-confirm-server-edits'
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The variable 'eglot-confirm-server-edits' replaces the obsolete
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'eglot-confirm-server-initiated-edits' and brings about a new
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confirmation model, making it possible to have only certain commands
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require user confirmation. The type of confirmation has also been
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enhanced. In particular it allows a temporary 'diff-mode' buffer to
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display the proposed changes, so the user can apply them one by one.
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See bug#60338.
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** Optimized file-watching capability
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Some servers, like the Pyright language server, issue too many file
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watching requests. This change slightly reduces the number of file
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watcher objects requested from the operating system, which can be a
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problem, particularly on Mac OS. See github#1228 and github#1226.
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** Fixed "onTypeFormatting" feature
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For 'newline' commands, Eglot sometimes sent the wrong character code
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to the server. Also made this feature less chatty in the mode-line
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and messages buffer.
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** Fixed completion sorting
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In some situations, Eglot was not respecting the completion sort order
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decided by the language server, falling back on the sort order
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determined by the 'flex' completion style instead. See github#1306.
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** Improve mouse invocation of code actions
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When invoking code actions by middle clicking with the mouse on
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Flymake diagnostics, it was often the case that Eglot didn't request
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code actions correctly and thus no actions were offered to the user.
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This has been fixed. github#1295
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* Changes in Eglot 1.15 (29/4/2023)
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** Fix LSP "languageId" detection
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Many servers today support multiple languages, meaning they can handle
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more than one file type in the same connection. This relies on the
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client supplying a ':languageId' string. Previously, Eglot calculated
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this string based on an imperfect heuristic and was often wrong. See
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github#1206.
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** Fix problems with missing signature documentation (bug#62687)
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** Reworked 'eglot-imenu'
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Eglot's Imenu backend (used for M-x imenu among other extensions), has
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been reworked. Most newer servers respond to
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'textDocument/documentSymbol' with a vector of 'DocumentSymbol', not
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'SymbolInformation'. It's not worth it trying to make the two formats
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resemble each other. This also lays groundwork supporting a
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forthcoming "breadcrumb" feature of bug#58431.
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** New command 'eglot-update'
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This allows users to easily update to the latest version of Eglot.
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* Changes in Eglot 1.14 (3/4/2023)
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** Faster, more responsive completion
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Eglot takes advantage of LSP's "isIncomplete" flag in responses to
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completion requests to drive new completion-caching mechanism for the
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duration of each completion session. Once a full set of completions
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is obtained for a given position, the server needn't be contacted in
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many scenarios, resulting in significantly less communication
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overhead. This works with the popular Company package and stock
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completion-at-point interfaces.
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A variable 'eglot-cache-session-completions', t by default, controls
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this. The mechanism was tested with ccls, jdtls, pylsp, golsp and
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clangd. Notably, the C/C++ language server Clangd version 15 has a
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bug in its "isIcomplete" flag (it is fixed in later versions). If you
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run into problems, disable this mechanism like so:
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(add-hook 'c-common-mode-hook
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(lambda () (setq-local eglot-cache-session-completions nil)))
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** At-point documentation less obtrusive in echo area
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Eglot takes advantage of new features of ElDoc to separate short
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documentation strings from large ones, sending the former to be shown in
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the ElDoc's echo area and the latter to be shown in other outlets,
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such as the *eldoc* buffer obtainable with 'C-h .'.
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** New variable 'eglot-prefer-plaintext'
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Customize this to t to opt-in to docstrings in plain text instead of
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Markdown.
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(bug#61373)
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** Progress indicators inhabit the mode-line by default
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To switch to the echo area, customize 'eglot-report-progress' to
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'messages'. To switch off progress reporting completely, set to nil.
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** Snippet support is easier to enable
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The user needn't manually activate 'yas-minor-mode' or
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'yas-global-mode'. If YASnippet is installed and the server supports
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snippets, it is used automatically, unless the symbol 'yasnippet' has
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been added to 'eglot-stay-out-of'.
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* Changes in Eglot 1.13 (15/03/2023)
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** ELPA installations on Emacs 26.3 are supported again.
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* Changes in Eglot 1.12.29 (Eglot bundled with Emacs 29.1)
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** Eglot has a new command to upgrade to the latest version.
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The new command 'eglot-upgrade-eglot' allows easily grabbing the
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latest version of Eglot from ELPA. This might be more convenient than
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using the more general command 'package-install', which by default
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will not upgrade "built-in" packages, those that come with Emacs.
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* Changes in Eglot 1.12 (13/03/2023)
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** LSP inlay hints are now supported.
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Inlay hints are small text annotations not unlike diagnostics, but
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designed to help readability instead of indicating problems. For
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example, a C++ LSP server can serve hints about positional parameter
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names in function calls and a variable's automatically deduced type.
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Emacs can display these hints using overlays, helping the user
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remember those types and parameter names.
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** Longstanding Tramp instability issues solved.
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The solution involves a Tramp-specific workaround in Eglot. Future
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Tramp versions will have this problem solved at the origin. The
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workaround will then be removed. Emacs bug#61350 has more details.
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(github#859, github#1020, github#883)
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** LSP's 'positionEncoding' capability is now supported.
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The position-encoding scheme (UTF-8, UTF-16 or UTF-32) can now
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be negotiated with the server.
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** More of the user's Eldoc configuration is respected.
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This change addresses the problems reported in many Eglot reports
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dating back to early 2021 at least.
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(github#646, github#894, github#920, github#1031, github#1171).
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This is unfinished work, as 'eldoc-documentation-strategy' is still
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set by Eglot during its tenure over a buffer. The default value for
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it cannot work reasonably with Eglot's additions to
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'eldoc-documentation-functions'.
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** Completion labels are correctly displayed in servers like clangd.
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(github#1141)
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** Assorted bugfixes.
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(bug#61312, bug#61478, bug#61532, bug#61726, bug#61866, bug#61748)
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* Changes in Eglot 1.11 (27/1/2023)
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** New server vscode-json-languageserver added to 'eglot-server-programs'.
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(bug#60198)
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** Assorted bugfixes.
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(bug#60379, bug#60557, (bug#61048)
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* Changes in Eglot 1.10 (16/12/2022)
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** Emacs progress reporters are used for LSP progress notifications.
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(bug#59149)
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** LSP reported URIs other than file:// are passed on to Emacs.
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This change allows other URI handlers, such as a 'jar:' handling
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package, to cooperate with Eglot and find files inside compressed file
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systems (bug#58790).
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** Eglot now shows in the menu bar.
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** Tree-sitter modes added to 'eglot-server-programs'.
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These modes are usually handled by the same server that handles the
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"classical mode".
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** New servers csharp-ls and texlab added to 'eglot-server-programs'.
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** Assorted bugfixes.
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(bug#59824, bug#59338)
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* Changes in Eglot 1.9 (8/10/2022)
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This is the last release before integration into Emacs's core.
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** New 'M-x eglot-list-connections' command.
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Probably not very useful for now. More keybindings and clickable
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shortcuts to connection-specific commands to be added later.
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** Manual temporarily lives in separate MANUAL.md file.
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The manual has been rewritten mostly from scratch. It is structured
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hierarchically and is more complete. After the merge into Emacs, the
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Eglot Texinfo manual bundled with Emacs used this temporary manual as
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a starting point.
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** Support for "single server, multiple modes".
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Previously, if an entry such as '((c++-mode c-mode) . ("clangd)")' was
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found in 'eglot-server-programs', it meant that '.cpp' files '.c'
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files would lead to two 'clangd' instances for managing them, even if
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these files were in the same project. Now only one is created. It is
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assumed that most, if not all, servers configured in
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'eglot-server-programs' handle this correctly.
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(github#681)
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** 'eglot-imenu' no longer uses problematic "special elements".
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Though Eglot's 'eglot-imenu' returned a fully compliant 'imenu'
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structure, that object was not understood by many other frontends
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other than 'M-x imenu' itself. Since the special functionality it
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enabled wasn't being used anyway, it was decided to remove it to fix
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these longstanding problems.
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(github#758, github#536, github#535)
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** 'eglot-workspace-configuration' has been overhauled.
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This variable and its uses are now more thoroughly documented. It can
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be set to a function for dynamic calculation of the configuration.
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The preferred format is a plist, though the earlier alist format is
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still supported.
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(github#967, github#590, github#790)
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** 'C-u M-.' lists and completes arbitrary workspace symbols.
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A very old request, now made possible by a relatively recent change to
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the 'workspace/symbol' RPC method.
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(github#131)
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** Reworked mode-line menus.
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New menus help discover Eglot's features and show which of them are
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supported by the current server. Menus can be customized away via
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'eglot-menu-string', making space in mode-line.
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(github#792)
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** Easier to use LSP 'initialize.initializationOptions'.
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In 'eglot-server-programs' a plist may be appended to the usual list
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of strings passed as command line arguments. The value of its
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':initializationOptions' key constructs the corresponding LSP JSON
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object. This may be easier than creating a 'defclass' for a specific
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server and specializing 'eglot-initialization-options' to that class.
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(github#901, github#845, github#940)
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** LSP on-type formatting is now supported.
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This is the 'documentOnTypeFormattingProvider' LSP capability, which
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may be disabled via 'eglot-ignored-server-capabilities'
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(github#899)
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** Basic LSP "workspace folders" support added.
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Eglot now advertises 'project-root' and 'project-external-roots' as
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workspace-folders. (Configuring 'project-vc-external-roots-function'
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via Elisp or 'tags-table-list' via Customize are two ways to set the
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external roots of a simple git project.)
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(github#893)
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** Eglot can now show project wide diagnostics via Flymake.
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Some LSP servers report diagnostics for all files in the current
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workspace. Flymake has (as of version 1.2.1) the option to show
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diagnostics from buffers other than the currently visited one. The
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command 'M-x flymake-show-project-diagnostics' will now show all the
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diagnostics relevant to a workspace.
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(github#810)
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** Support LSP completion tags.
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An LSP completion tag can be used to tell the editor how to render a
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completion. Presently, one kind of tag exists, denoting its
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corresponding completion as obsolete.
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(github#797)
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** Support LSP optional diagnostic tags.
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A diagnostic tag can indicate either "unused or unnecessary code" or
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"deprecated or obsolete code". Following the rendering suggestions in
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the protocol, we fade out unnecessary code and strike-through
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deprecated code.
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(github#794)
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** The Rust language server is now rust-analyzer by default.
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Eglot will now prefer starting "rust-analyzer" to "rls" when it is
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available. The special support code for RLS has been removed.
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(github#803)
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** New servers have been added to 'eglot-server-programs'.
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- clojure-lsp (github#813)
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- racket-langserver (github#694)
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- futhark lsp (github#922)
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- purescript-language-server (github#905)
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- Perl::LanguageServer (github#952)
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- marksman (github#1013)
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- jedi-language-server ([#994](github#994))
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* Changes in Eglot 1.8 (12/1/2022)
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** Alternate servers supported out-of-box for the same major mode.
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In practice, this removes the need for Eglot to "officially" bless one
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server over another.
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Do not confuse this feature with another missing feature which
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consists of supporting multiple servers simultaneously managing a
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major mode within a project.
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(github#688)
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** TRAMP support added.
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There are no variables to customize: visit a remote file, ensure the
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server also exists in the remote, and type "M-x eglot".
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(github#637, github#463, github#84)
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** 'eglot-ignored-server-capabilities' is now correctly spelled.
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This user-visible variable used to be spelled
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'eglot-ignored-server-capabilites', which is still a valid but
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obsolete name.
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(github#724)
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** Eglot can manage cross-referenced files outside project.
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This is activated by a new customization option
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'eglot-extend-to-xref', which defaults to nil.
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(github#76, github#686, github#695)
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** Code action shortcuts can be added by the user.
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'M-x eglot-code-actions' accepts an optional 'action-kind' argument,
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specified interactively with 'C-u'. Other shortcuts call specific
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actions directly ('eglot-code-action-inline',
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'eglot-code-action-extract', 'eglot-code-action-rewrite',
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'eglot-code-action-organize-imports' and
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'eglot-code-action-quickfix'). One can create one's own shortcuts for
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code actions with specific a kind by calling 'eglot-code-actions' from
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Lisp.
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(github#411)
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** New command 'eglot-shutdown-all added.
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This disconnects all the Eglot connections in the user's session.
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(github#643)
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** New variable 'eglot-withhold-process-id' added.
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If non-nil, Eglot will not send the Emacs process ID to the language
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server. This can be useful when using docker to run a language
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server.
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(github#722)
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** Several new servers have been added to 'eglot-server-programs'.
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- cmake-language-server (github#787)
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- css-languageserver (github#204, github#769)
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- fortls (github#603)
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- html-languageserver (github#204, github#769)
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- json-languageserver (github#204, github#769)
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- lua-lsp (github#721)
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- mint ls (github#750)
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- pyright (github#742)
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- vim-language-server (github#787)
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- yaml-language-server (github#751)
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- zls (github#646)
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* Changes in Eglot 1.7 (16/12/2020)
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** Hierarchical symbols are supported in Imenu.
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(github#303).
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** Multiple "documentation at point" sources are supported.
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Such sources include as LSP's signature, hover and also the Flymake
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diagnostic messages. They can all be presented in the echo area
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(space permitting), or via 'C-h .'. For now, composition of different
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sources can be customized using 'eldoc-documentation-strategy',
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'eldoc-echo-area-use-multiline-p' and 'eldoc-prefer-doc-buffer'.
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The variables 'eglot-put-doc-in-help-buffer' and
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'eglot-auto-display-help-buffer' have been removed.
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(github#439, github#494, github#481, github#454)
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* Changes in Eglot 1.6 (16/04/2020)
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** Column offset calculation is now LSP-conformant.
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It seems the majority of servers now comply with the language server
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specification when it comes to handling non-ASCII texts. Therefore
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the default values of 'eglot-move-to-column-function' and
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'eglot-current-column-function' have been changed. Consult the
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documentation of these variables for how to restore the old behavior.
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(github#361)
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** LSP workspace/configuration requests are supported.
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Also a new section "Per-project server configuration" in the README.md
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should answer some FAQ's in this regard.
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(github#326)
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* Changes in Eglot 1.5 (20/10/2019)
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** Eglot takes over Company configuration.
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Similar to what was already the case with Flymake, Eldoc and Xref, use
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just the backend that can do something useful in Eglot,
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'company-capf'. See 'eglot-stay-out-of' to opt out of this.
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(github#324)
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** New option 'eglot-autoshutdown' added.
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This disconnects the server after last managed buffer is killed.
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(github#217, github#270)
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** Completion support has been fixed.
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Among other things, consider LSP's "filterText" cookies, which enable
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a kind of poor-man's flex-matching for some backends.
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(github#235, github#313, github#311, github#279)
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** Supports LSP's "goto declaration/implementation/typeDefinition".
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(github#302)
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** New option 'eglot-send-changes-idle-time' added.
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(github#258)
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** Eglot's Eldoc no longer flickers when moving around.
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(github#198)
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** Large docs shown in help buffer instead of echo area by default.
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Also add two new customization variables
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'eglot-put-doc-in-help-buffer' and 'eglot-auto-display-help-buffer'.
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(github#198)
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** Built-in support for Go, Elixir and Ada added.
|
||
|
||
(github#304, github#264, github#316)
|
||
|
||
|
||
* Changes in Eglot 1.4 (5/1/2019)
|
||
|
||
** Parameter highlighting in the first line of signature corrected.
|
||
|
||
** Markdown documentation strings are rendered with faces.
|
||
Eglot uses 'gfm-view-mode' for this.
|
||
|
||
** Hard dependencies on Flymake have been removed.
|
||
The user can turn Flymake off now in buffers managed by Eglot.
|
||
|
||
** Connection hooks are run with proper directory local variables.
|
||
This fixes issues with suspiciously empty 'didChangeConfiguration'
|
||
messages that are supposed to communicate parameters from a
|
||
directory-set 'eglot-workspace-configuration'.
|
||
|
||
(github#196)
|
||
|
||
** Completion sorting has been fixed.
|
||
If the server returns completions in some sensible order, Eglot will
|
||
keep it.
|
||
|
||
(github#190)
|
||
|
||
** Flymake and Eldoc taken over completely while managing buffers.
|
||
No longer try to add Eglot's facilities to existing facilities in
|
||
these two domains.
|
||
|
||
|
||
* Changes in Eglot 1.3 (10/12/2018)
|
||
|
||
** Provide strict checking of incoming LSP messages.
|
||
|
||
(github#144, github#156)
|
||
|
||
** Add brief context after 'xref-find-references' when available.
|
||
|
||
(github#52)
|
||
|
||
** Support 'completionContext' to help servers like 'ccls'.
|
||
|
||
** Use Flymake from GNU ELPA.
|
||
|
||
(github#178)
|
||
|
||
|
||
* Changes in Eglot 1.2 (23/11/2018)
|
||
|
||
** Support snippet completions.
|
||
Eglot uses 'yasnippet.el' for this, if it is installed.
|
||
|
||
(github#50)
|
||
|
||
** 'workspace/didChangeConfiguration' implemented.
|
||
|
||
(github#29)
|
||
|
||
** Handle experimental/unknown server methods gracefully.
|
||
|
||
(github#39)
|
||
|
||
** Accept functions as entries in 'eglot-server-programs'.
|
||
'CONTACT' in the '(MAJOR-MODE . CONTACT)' association in
|
||
'eglot-server-programs' can now be a function of no arguments
|
||
producing any value previously valid for a contact. Functions can be
|
||
interactive or non-interactive.
|
||
|
||
(github#63)
|
||
|
||
** Improve completion to be snappier and don't hinder typing.
|
||
|
||
(github#61)
|
||
|
||
** Consider ':triggerCharacters' in company completion.
|
||
|
||
(github#80)
|
||
|
||
** Add support for LSP 'TextEdit' objects in completion.
|
||
|
||
** Prefer ccls over cquery for C/C++
|
||
|
||
(github#94)
|
||
|
||
** 'eglot-ignored-server-capabilites' is more user-friendly.
|
||
|
||
(github#126)
|
||
|
||
** Supports asynchronous connections.
|
||
If a connection to the server is taking too long, is will continue in
|
||
the background. A new defcustom 'eglot-sync-connect' controls this
|
||
feature.
|
||
|
||
(github#68)
|
||
|
||
** The 'eglot-shutdown' command prompts for the server to shutdown.
|
||
|
||
(github#73)
|
||
|
||
** Add support for the Eclipse JDT language server.
|
||
|
||
(github#63)
|
||
|
||
** Add out-of-the-box support for Haskell, Kotlin, Go, Ocaml, R.
|
||
|
||
** Add the ability to move to LSP-precise columns.
|
||
Some servers like 'clangd' follow the UTF-16-based spec very closely
|
||
here.
|
||
|
||
(github#124)
|
||
|
||
** Fix a potential security issue fontifying LSP doc.
|
||
|
||
(github#154)
|
||
|
||
** Fix many, many bugs
|
||
|
||
(github#44, github#48, github#54, github#58, github#64, github#74,
|
||
github#81, github#82, github#86, github#87, github#83, github#93,
|
||
github#100, github#115, github#120, github#121, github#126,
|
||
github#138, github#144, github#158, github#160, github#167)
|
||
|
||
|
||
* Changes in Eglot 1.1 (9/7/2018)
|
||
|
||
** Implement TCP autostart/autoconnect (and support Ruby's Solargraph).
|
||
The ':autoport' symbol in the server invocation is replaced
|
||
dynamically by a local port believed to be vacant, so that the ensuing
|
||
TCP connection finds a listening server.
|
||
|
||
** Eglot now depends on Emacs library 'jsonrpc.el'.
|
||
|
||
|
||
----------------------------------------------------------------------
|
||
This file is part of GNU Emacs.
|
||
|
||
GNU Emacs is free software: you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation, either version 3 of the License, or
|
||
(at your option) any later version.
|
||
|
||
GNU Emacs is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
|
||
|
||
|
||
Local Variables:
|
||
bug-reference-bug-regexp: "\\(\\(github\\|bug\\)#\\([0-9]+\\)\\)"
|
||
bug-reference-url-format: eglot--debbugs-or-github-bug-uri
|
||
paragraph-separate: "[ ]"
|
||
End:
|
||
|