How do I inspect what key sequences are stored in a macro register?
:echo strtrans(@q)
When a macro behaves unexpectedly, :echo strtrans(@q) reveals exactly what is stored in register q—including invisible control characters—as human-readable
Tag: debugging
How do I find out which scripts or plugins are slowing down my Vim startup?
:profile
When Vim feels sluggish to start, the built-in :profile command lets you measure exactly how much time each script, function, or plugin takes to load.
How do I set breakpoints and debug Vimscript functions interactively?
:breakadd func {funcname}
Vim has a built-in debugger for Vimscript that most users never discover.
How do I profile Vimscript functions to find what is slowing down Vim at runtime?
:profile start profile.log | profile func *
When Vim feels sluggish during editing—not just at startup—you need runtime profiling to pinpoint which functions are consuming the most time.
config #profiling #debugging #config #ex-commands #performance
How do I profile Vim functions at runtime to find what's making it slow?
:profile start /tmp/profile.log | profile func *
When Vim feels sluggish during editing (not just at startup), the :profile command lets you measure the execution time of every function call.
How do I find out what is making Vim slow to start up?
vim --startuptime /tmp/vim-startup.log
When Vim takes too long to start, the --startuptime flag writes a detailed timing log showing exactly how long each plugin, script, and initialization step take
How do I set up a debugger with breakpoints in Neovim?
:lua require'dap'.toggle_breakpoint()
The nvim-dap plugin implements the Debug Adapter Protocol in Neovim, providing a full debugging experience with breakpoints, step-through execution, variable in
How do I debug a macro by stepping through it command by command?
:let g:debug_macro=1 | normal @a
When a macro doesn't work as expected, debugging it step by step is essential.
How do I find out which script or plugin defined a specific mapping or setting?
:verbose map <key> or :verbose set option?
The :verbose prefix shows where a mapping, setting, command, or function was defined — which file and line number.
command-line #command-line #debugging #config #mappings #workflow
How do I see the Unicode code point of the character under the cursor?
ga
The ga command displays the ASCII/Unicode value of the character under the cursor in decimal, hexadecimal, and octal.
editing #editing #unicode #debugging #normal-mode #inspection