diff --git a/.gitattributes b/.gitattributes
index 7beaa80..a74c4ff 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,6 @@
 
 *.rs linguist-language=Rust
+
+*.html linguist-detectable=false
+*.sh linguist-detectable=false
+*.vimrc linguist-detectable=false
diff --git a/.gitignore b/.gitignore
index 8ea0d84..8e8b085 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 # directories (by name)
 
 /_build/
+/_build-ci/
 /scripts/__pycache__/
 /scratch/
 /target/
@@ -14,8 +15,6 @@
 
 .DS_Store
 
-#Cargo.lock
-
 
 # files (by pattern)
 
diff --git a/.vimrc b/.vimrc
index ae7a676..d34bf9e 100644
--- a/.vimrc
+++ b/.vimrc
@@ -1,6 +1,70 @@
+" Synesis C/C++ project .vimrc — aligned with .sis/.vscode/c_cxx/settings.json
 
+set nocompatible
+filetype indent plugin on
+syntax enable
 set autoindent
-set expandtab
-set shiftwidth=4
-set softtabstop=4
-set tabstop=4
+set backspace=indent,eol,start
+set hlsearch
+set incsearch
+set number
+
+" files.insertFinalNewline
+set eol
+set fixeol
+
+" editor.renderWhitespace: all
+set list
+set listchars=tab:->,trail:-,extends:>,precedes:<,nbsp:+
+
+" editor.detectIndentation: false — global defaults (editor.tabSize: 2, insertSpaces: false)
+set tabstop=2
+set shiftwidth=2
+set softtabstop=2
+set noexpandtab
+set colorcolumn=76
+
+" colorcolumn draws a full-column tint in Vim (not a VS Code-style 1px line).
+" Keep it subtle via the ColorColumn highlight group; reapply after colorscheme changes.
+if has('termguicolors')
+  " set termguicolors
+endif
+
+function! s:ConfigureColorColumn() abort
+  highlight ColorColumn ctermbg=236 guibg=#2a2a2a cterm=NONE gui=NONE
+endfunction
+
+call s:ConfigureColorColumn()
+autocmd ColorScheme * call s:ConfigureColorColumn()
+
+" files.trimTrailingWhitespace
+autocmd BufWritePre * %s/\s\+$//e
+
+augroup sis_c_cxx
+  autocmd!
+
+  " [c] / [cpp]
+  autocmd FileType c,cpp setlocal expandtab tabstop=4 shiftwidth=4 softtabstop=4 colorcolumn=60,64,68,72,76
+
+  " [rust]
+  autocmd FileType rs setlocal expandtab tabstop=4 shiftwidth=4 softtabstop=4 colorcolumn=76
+
+  " [cmake]
+  autocmd FileType cmake setlocal noexpandtab tabstop=4 shiftwidth=4 softtabstop=4
+
+  " [shellscript]
+  autocmd FileType sh,bash,zsh setlocal expandtab tabstop=2 shiftwidth=2 softtabstop=2 colorcolumn=60,76
+
+  " [bat]
+  autocmd FileType bat,dosbatch setlocal expandtab tabstop=4 shiftwidth=4 softtabstop=4 colorcolumn=60,76
+
+  " [json] / [markdown] / [yaml] / [ruby]
+  autocmd FileType json,markdown,yaml,ruby setlocal expandtab tabstop=2 shiftwidth=2 softtabstop=2
+
+  " [python]
+  autocmd FileType python setlocal expandtab tabstop=4 shiftwidth=4 softtabstop=4 colorcolumn=60,76
+
+  " [toml]
+  autocmd FileType toml setlocal noexpandtab tabstop=2 shiftwidth=2 softtabstop=2
+augroup END
+
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 6365143..f3490c4 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,11 +1,16 @@
 {
 	"[json]": {
+		"editor.insertSpaces": false,
+		"editor.tabSize": 2,
+	},
+	"[markdown]": {
+		"editor.insertSpaces": true,
 		"editor.tabSize": 2,
 	},
 	"[python]": {
 		"editor.insertSpaces": true,
 		"editor.rulers": [ 60, 76 ],
-		"editor.tabSize": 2,
+		"editor.tabSize": 4,
 	},
 	"[ruby]": {
 		"editor.insertSpaces": true,
@@ -25,6 +30,7 @@
 	"editor.detectIndentation": false,
 	"editor.insertSpaces": false,
 	"editor.renderWhitespace": "all",
+	"editor.rulers": [ 76 ],
 	"editor.tabSize": 2,
 	"files.insertFinalNewline": true,
 	"files.trimTrailingWhitespace": true,
diff --git a/EXAMPLES.md b/EXAMPLES.md
index e1f50c6..6f9dd90 100644
--- a/EXAMPLES.md
+++ b/EXAMPLES.md
@@ -1,4 +1,4 @@
-# shwild.Rust Examples
+# shwild.Rust Examples <!-- omit it toc -->
 
 |Name|Source & Description|Summary|
 |---|---|---|
diff --git a/LICENSE b/LICENSE
index 3f515c4..3050cda 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,13 +1,11 @@
 BSD 3-Clause License - shwild.Rust
 
-Copyright (c) 2019-2024, Matthew Wilson and Synesis Information Systems
+Copyright (c) 2019-2026, Matthew Wilson and Synesis Information Systems
 Copyright (c) 2005-2019, Matthew Wilson and Sean Kelly
-
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
+modification, are permitted provided that the following conditions are met:
 
 1. Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.
diff --git a/rustfmt.toml b/rustfmt.toml
index c08d358..36a98d2 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1,10 +1,14 @@
 
 # rustfmt.toml for shwild.Rust
 #
-# Requires nightly rustfmt with unstable features enabled — use ./scripts/fmt
+# Requires nightly rustfmt with unstable features enabled, e.g.:
+#
+#   ./scripts/fmt
+#
+# Or:
+#
+#   RUSTFMT="$(rustup which --toolchain nightly rustfmt)" cargo fmt -- --unstable-features
 #
-# configured for cargo-fmt 1.84.0
-
 # array_width=60 # deprecated
 # attr_fn_like_width=70 # deprecated
 binop_separator="Front"