leanprover-community/lean4-mode

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Emacs major mode for Lean 4

Stars: 139
Forks: 43
Open beginner issues: 0
Indexed issues: 26

Dominant language: Emacs Lisp
License: Apache-2.0
Last GitHub push: Jun 1, 2025
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

26 open issues indexed

Native install instructions don't work Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

leanprover-community/lean4-mode#115 · Opened Feb 10, 2026
Debugging lean4-mode with lsp Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

leanprover-community/lean4-mode#114 · Opened Dec 23, 2025
Status of this project and relation to `nael-mode` Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

leanprover-community/lean4-mode#112 · 4 comments · 5 reactions · Opened Oct 15, 2025
`indent-region` and indentation in general not working properly Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

leanprover-community/lean4-mode#109 · Opened Jul 1, 2025
Unknown request method: workspace/inlayHint/refresh Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

leanprover-community/lean4-mode#108 · 1 comment · 7 reactions · Opened Jun 8, 2025
Remove automatic version detection Open

leanprover-community/lean4-mode#104 · 1 assignee · Opened Apr 23, 2025
`lean4-mode` is not automatically activated by `.lean` files using README instructions Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

leanprover-community/lean4-mode#103 · 4 comments · Opened Apr 10, 2025
Document the pitfall of modifying `lean4-mode-hook` before Lean4-Mode has been loaded Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

leanprover-community/lean4-mode#101 · 10 comments · Opened Feb 24, 2025
Certain blackboard font characters break syntax-checking Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

leanprover-community/lean4-mode#99 · 1 comment · Opened Jan 16, 2025
Code navigation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/lean4-mode#98 · 1 comment · Opened Dec 8, 2024
Info View without separate window Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/lean4-mode#95 · Opened Dec 5, 2024
Hover docs in info view Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/lean4-mode#94 · Opened Dec 5, 2024
Rework Abbreviations for Input Method Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

leanprover-community/lean4-mode#93 · 5 comments · Opened Dec 1, 2024
Offer menu-item for Flymake users? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

leanprover-community/lean4-mode#91 · Opened Nov 27, 2024
Remove `lean4-lake.el` in favor of Emacs built-in `compile` command Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

leanprover-community/lean4-mode#90 · 2 comments · Opened Nov 26, 2024
Remove `lean4-keybinding-*` user options and dissolve other parts of `lean4-settings.el` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/lean4-mode#88 · Opened Nov 24, 2024
Don't depend on lsp-mode (by splitting into multiple packages?) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

leanprover-community/lean4-mode#71 · 12 reactions · Opened Jul 21, 2024
Don't depend on Dash Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

leanprover-community/lean4-mode#68 · 1 comment · Opened Jul 21, 2024
Some unicode symbols are displayed as squares Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

leanprover-community/lean4-mode#67 · 3 comments · Opened Jul 14, 2024
Failure of toolchain detection when `.elan` is a symlink Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

leanprover-community/lean4-mode#66 · 2 comments · Opened Jul 2, 2024
Speed up syntax highlighting in case of lsp-mode semantic tokens Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/lean4-mode#53 · 6 comments · 1 reaction · Opened Dec 14, 2023
Support collapsible trace nodes Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/lean4-mode#35 · 3 comments · Opened Mar 28, 2023
Adding evil keybindings Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

leanprover-community/lean4-mode#32 · 2 comments · 1 reaction · Opened Feb 16, 2023
Feature request: pause info buffer redisplay Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

leanprover-community/lean4-mode#22 · 1 reaction · Opened Nov 23, 2022
Distribute in Melpa package-archive Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

leanprover-community/lean4-mode#18 · 6 comments · 4 reactions · Opened Jun 24, 2022
Add support for eglot language server Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/lean4-mode#7 · 16 comments · 23 reactions · Opened Mar 21, 2022

leanprover-community/lean4-mode

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