From ea77956c0224d9f9997d60e91642a4e255750f5b Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Tue, 14 Nov 2023 18:10:22 +0100
Subject: Add a new blog post

---
 src/blog/index.gsp                       |   1 +
 src/blog/nvim-ts/change-command.diff.gsp |   9 ++
 src/blog/nvim-ts/final.lua.gsp           |  28 ++++
 src/blog/nvim-ts/final.webm              | Bin 0 -> 207067 bytes
 src/blog/nvim-ts/get-cursor.diff.gsp     |  12 ++
 src/blog/nvim-ts/get-parent.diff.gsp     |  14 ++
 src/blog/nvim-ts/git-log-2.gsp           |  11 ++
 src/blog/nvim-ts/git-log.gsp             |  17 +++
 src/blog/nvim-ts/git-rebase-2.gsp        |   3 +
 src/blog/nvim-ts/git-rebase.gsp          |  34 +++++
 src/blog/nvim-ts/index.gsp               | 226 +++++++++++++++++++++++++++++++
 src/blog/nvim-ts/skeleton.lua.gsp        |  14 ++
 src/blog/nvim-ts/ts-tree.scm.gsp         |  12 ++
 src/fonts/vollkorn-italic.woff2          | Bin 13484 -> 13552 bytes
 src/fonts/vollkorn-regular.woff2         | Bin 12904 -> 13024 bytes
 src/style.css                            |  56 ++++----
 16 files changed, 411 insertions(+), 26 deletions(-)
 create mode 100644 src/blog/nvim-ts/change-command.diff.gsp
 create mode 100644 src/blog/nvim-ts/final.lua.gsp
 create mode 100644 src/blog/nvim-ts/final.webm
 create mode 100644 src/blog/nvim-ts/get-cursor.diff.gsp
 create mode 100644 src/blog/nvim-ts/get-parent.diff.gsp
 create mode 100644 src/blog/nvim-ts/git-log-2.gsp
 create mode 100644 src/blog/nvim-ts/git-log.gsp
 create mode 100644 src/blog/nvim-ts/git-rebase-2.gsp
 create mode 100644 src/blog/nvim-ts/git-rebase.gsp
 create mode 100644 src/blog/nvim-ts/index.gsp
 create mode 100644 src/blog/nvim-ts/skeleton.lua.gsp
 create mode 100644 src/blog/nvim-ts/ts-tree.scm.gsp

diff --git a/src/blog/index.gsp b/src/blog/index.gsp
index 68b53f8..030ad3e 100644
--- a/src/blog/index.gsp
+++ b/src/blog/index.gsp
@@ -28,6 +28,7 @@ html lang="en" {
 			p {-Posts:}
 
 			ul {
+				m4_article(nvim-ts, {-Hacking with Tree-Sitter on Neovim})
 				m4_article(gsp, {-Writing an HTML Preprocessor (feat. Tree-Sitter)})
 				m4_article(fw-ec, {-Patching My Laptop’s Embedded Controller})
 			}
diff --git a/src/blog/nvim-ts/change-command.diff.gsp b/src/blog/nvim-ts/change-command.diff.gsp
new file mode 100644
index 0000000..8f1aeeb
--- /dev/null
+++ b/src/blog/nvim-ts/change-command.diff.gsp
@@ -0,0 +1,9 @@
+ 		end
+ 
+ 		if node ~= nil then
+@span .diff-del {--			-- TODO}
+@span .diff-ins {-+			local sr, sc, er, ec = node:child(0):range()}
+@span .diff-ins {-+			vim.api.nvim_buf_set_text(0, sr, sc, er, ec, { rhs \})}
+ 		end
+ 	end, {
+ 		buffer = true,
diff --git a/src/blog/nvim-ts/final.lua.gsp b/src/blog/nvim-ts/final.lua.gsp
new file mode 100644
index 0000000..08ef220
--- /dev/null
+++ b/src/blog/nvim-ts/final.lua.gsp
@@ -0,0 +1,28 @@
+@span .kw {-local} ts_utils @span .op {-=} @span .fn {-require}(@span .str {-'nvim-treesitter.ts_utils'})
+
+@span .kw {-local} @span .kw {-function} @span .fn {-map}(lhs, rhs)
+	vim.keymap.@span .fn {-set}(@span .str {-'n'}, lhs, @span .kw {-function}()
+		@span .kw {-local} node @span .op {-=} ts_utils.@span .fn {-get_node_at_cursor}()
+		@span .kw {-if} node @span .op {-==} @span .cnst {-nil} @span .kw {-then}
+			@span .fn {-error}(@span .str {-'No tree-sitter parser found.'})
+		@span .kw {-end}
+
+		@span .kw {-while} node @span .op {-~=} @span .cnst {-nil} @span .op {-and} node:@span .fn {-type}() @span .op {-~=} @span .str {-'operation'} @span .kw {-do}
+			node @span .op {-=} node:@span .fn {-parent}()
+		@span .kw {-end}
+
+		@span .kw {-if} node @span .op {-~=} @span .cnst {-nil} @span .kw {-then}
+			@span .kw {-local} sr, sc, er, ec @span .op {-=} node:@span .fn {-child}(0):@span .fn {-range}()
+			vim.api.@span .fn {-nvim_buf_set_text}(@span .str {-0}, sr, sc, er, ec, { rhs \})
+		@span .kw {-end}
+	@span .kw {-end}, {
+		buffer @span .op {-=} @span .cnst {-true},
+		noremap @span .op {-=} @span .cnst {-true},
+		silent @span .op {-=} @span .cnst {-true},
+	\})
+@span .kw {-end}
+
+@span .fn {-map}(@span .str {-'p'}, @span .str {-'pick'})
+@span .fn {-map}(@span .str {-'r'}, @span .str {-'reword'})
+@span .fn {-map}(@span .str {-'s'}, @span .str {-'squash'})
+@span .fn {-map}(@span .str {-'f'}, @span .str {-'fixup'})
diff --git a/src/blog/nvim-ts/final.webm b/src/blog/nvim-ts/final.webm
new file mode 100644
index 0000000..cbe2c55
Binary files /dev/null and b/src/blog/nvim-ts/final.webm differ
diff --git a/src/blog/nvim-ts/get-cursor.diff.gsp b/src/blog/nvim-ts/get-cursor.diff.gsp
new file mode 100644
index 0000000..6e8f759
--- /dev/null
+++ b/src/blog/nvim-ts/get-cursor.diff.gsp
@@ -0,0 +1,12 @@
+@span .diff-ins {-+local ts_utils = require('nvim-treesitter.ts_utils')}
+@span .diff-ins {-+}
+ local function map(lhs, rhs)
+ 	vim.keymap.set('n', lhs, function()
+@span .diff-del {--		-- TODO}
+@span .diff-ins {-+		local node = ts_utils.get_node_at_cursor()}
+@span .diff-ins {-+		if node == nil then}
+@span .diff-ins {-+			error('No Tree-Sitter parser found.')}
+@span .diff-ins {-+		end}
+ 	end, {
+ 		buffer = true,
+ 		noremap = true,
diff --git a/src/blog/nvim-ts/get-parent.diff.gsp b/src/blog/nvim-ts/get-parent.diff.gsp
new file mode 100644
index 0000000..eebfeb5
--- /dev/null
+++ b/src/blog/nvim-ts/get-parent.diff.gsp
@@ -0,0 +1,14 @@
+ 		if node == nil then
+ 			error('No Tree-Sitter parser found.')
+ 		end
+@span .diff-ins {-+}
+@span .diff-ins {-+		while node ~= nil and node:type() ~= 'operation' do}
+@span .diff-ins {-+			node = node:parent()}
+@span .diff-ins {-+		end}
+@span .diff-ins {-+}
+@span .diff-ins {-+		if node ~= nil then}
+@span .diff-ins {-+			-- TODO}
+@span .diff-ins {-+		end}
+ 	end, {
+ 		buffer = true,
+ 		noremap = true,
diff --git a/src/blog/nvim-ts/git-log-2.gsp b/src/blog/nvim-ts/git-log-2.gsp
new file mode 100644
index 0000000..fbab82e
--- /dev/null
+++ b/src/blog/nvim-ts/git-log-2.gsp
@@ -0,0 +1,11 @@
+@span .fn {-commit 74ba5ba2b8bdb7708a25283f03542811706072bd}
+Author: Thomas Voss <mail\@thomasvoss.com>
+Date:   Tue Nov 14 10:12:05 2023 +0100
+
+    Add new blog post
+
+@span .fn {-commit a893a1752b1365ec6437095506e6e63979b9236d}
+Author: Thomas Voss <mail\@thomasvoss.com>
+Date:   Tue Nov 14 10:10:53 2023 +0100
+
+    Fix various typos
diff --git a/src/blog/nvim-ts/git-log.gsp b/src/blog/nvim-ts/git-log.gsp
new file mode 100644
index 0000000..2a7ae4d
--- /dev/null
+++ b/src/blog/nvim-ts/git-log.gsp
@@ -0,0 +1,17 @@
+@span .fn {-commit 1893588f4f57024098a538d471caeecd01fbe88d}
+Author: Thomas Voss <mail\@thomasvoss.com>
+Date:   Tue Nov 14 10:36:33 2023 +0100
+
+    Fix another typo
+
+@span .fn {-commit b592402d702379d14415c1becf18f6f40c2d6d76}
+Author: Thomas Voss <mail\@thomasvoss.com>
+Date:   Tue Nov 14 10:12:05 2023 +0100
+
+    Add new blog post
+
+@span .fn {-commit 6ae48a4d7a84fd4c76a08a110514754dd6949d46}
+Author: Thomas Voss <mail\@thomasvoss.com>
+Date:   Tue Nov 14 10:10:53 2023 +0100
+
+    Fix various typos
diff --git a/src/blog/nvim-ts/git-rebase-2.gsp b/src/blog/nvim-ts/git-rebase-2.gsp
new file mode 100644
index 0000000..6987bab
--- /dev/null
+++ b/src/blog/nvim-ts/git-rebase-2.gsp
@@ -0,0 +1,3 @@
+@span .fn {-pick} @span .var {-d620266} Fix various typos
+@span .fn {-fixup} @span .var {-4c45214} Fix another typo
+@span .fn {-pick} @span .var {-59fa2b6} Add new blog post
diff --git a/src/blog/nvim-ts/git-rebase.gsp b/src/blog/nvim-ts/git-rebase.gsp
new file mode 100644
index 0000000..d41262a
--- /dev/null
+++ b/src/blog/nvim-ts/git-rebase.gsp
@@ -0,0 +1,34 @@
+@span .fn {-pick} @span .var {-d620266} Fix various typos
+@span .fn {-pick} @span .var {-59fa2b6} Add new blog post
+@span .fn {-pick} @span .var {-4c45214} Fix another typo
+
+@span .cmt {-# Rebase 10c3013..4c45214 onto 10c3013 (3 commands)}
+@span .cmt {-#}
+@span .cmt {-# Commands:}
+@span .cmt {-# p, pick <commit> = use commit}
+@span .cmt {-# r, reword <commit> = use commit, but edit the commit message}
+@span .cmt {-# e, edit <commit> = use commit, but stop for amending}
+@span .cmt {-# s, squash <commit> = use commit, but meld into previous commit}
+@span .cmt {-# f, fixup [-C | -c] <commit> = like "squash" but keep only the previous}
+@span .cmt {-#                    commit's log message, unless -C is used, in which case}
+@span .cmt {-#                    keep only this commit's message; -c is same as -C but}
+@span .cmt {-#                    opens the editor}
+@span .cmt {-# x, exec <command> = run command (the rest of the line) using shell}
+@span .cmt {-# b, break = stop here (continue rebase later with 'git rebase --continue')}
+@span .cmt {-# d, drop <commit> = remove commit}
+@span .cmt {-# l, label <label> = label current HEAD with a name}
+@span .cmt {-# t, reset <label> = reset HEAD to a label}
+@span .cmt {-# m, merge [-C <commit> | -c <commit>] <label> [# <oneline>]}
+@span .cmt {-#         create a merge commit using the original merge commit's}
+@span .cmt {-#         message (or the oneline, if no original merge commit was}
+@span .cmt {-#         specified); use -c <commit> to reword the commit message}
+@span .cmt {-# u, update-ref <ref> = track a placeholder for the <ref> to be updated}
+@span .cmt {-#                       to this position in the new commits. The <ref> is}
+@span .cmt {-#                       updated at the end of the rebase}
+@span .cmt {-#}
+@span .cmt {-# These lines can be re-ordered; they are executed from top to bottom.}
+@span .cmt {-#}
+@span .cmt {-# If you remove a line here THAT COMMIT WILL BE LOST.}
+@span .cmt {-#}
+@span .cmt {-# However, if you remove everything, the rebase will be aborted.}
+@span .cmt {-#}
diff --git a/src/blog/nvim-ts/index.gsp b/src/blog/nvim-ts/index.gsp
new file mode 100644
index 0000000..c0bfdf6
--- /dev/null
+++ b/src/blog/nvim-ts/index.gsp
@@ -0,0 +1,226 @@
+html lang="en" {
+	head { m4_include(head.gsp) }
+	body {
+		header {
+			div {
+				h1 {-Learn Your Tools}
+				m4_include(nav.gsp)
+			}
+
+			figure .quote {
+				blockquote {
+					p {=
+						Vim is a component among other components.  Don’t turn it into a
+						massive application, but have it work well together with other
+						programs.
+					}
+				}
+				figcaption {-Vim Reference Manual}
+			}
+		}
+
+		main {
+			h2 #rebasing {-Git Rebasing}
+			p {-
+				I’m always working with Git.  I use it at work, I use it for my personal
+				projects, I even use it for this site.  Git has become a part of my
+				everyday life.  On Git feature that I use quite often is Git-Rebase,
+				which when invoked with the @code{--i} flag allows you to reorder,
+				combine, and delete commits interactively.
+			}
+
+			p {-
+				Let’s say you make two commits called ‘Fix various typos’ and ‘Add new
+				blog post’ in that order.  Now imagine you found another typo that you
+				forgot to fix in your first commit.  You might end up with a history
+				like so:
+			}
+
+			figure {
+				pre {= m4_fmt_code(git-log.gsp) }
+			}
+
+			p {-
+				While for many people this might be fine, I personally find it much more
+				clean to have the first and third commits merged into one commit, as
+				they’re two parts of the same task.  This is where Git-Rebase comes in.
+				We can run @code{-git rebase -i HEAD~N} where @code{-N} is the number of
+				commits back we want to include, which in this case would be 3.  Running
+				that command will open the following buffer in your text editor.  In my
+				case, Neovim.
+			}
+
+			figure {
+				pre {= m4_fmt_code(git-rebase.gsp) }
+			}
+
+			p {-
+				As suggested by the comments added to the bottom of the opened buffer,
+				we can combine the two typo-fixing commits by simply swapping the 2nd-
+				and 3rd lines, and then changing the second typo-fixing commit from a
+				@em{-pick} to a @em{-fixup}:
+			}
+
+			figure {
+				pre {= m4_fmt_code(git-rebase-2.gsp) }
+			}
+
+			p {-
+				After saving and exiting from your editor, the Git log should now only
+				have two entries, which looks a lot cleaner.
+			}
+
+			figure {
+				pre {= m4_fmt_code(git-log-2.gsp) }
+			}
+
+			h2 #problem {-The Problem}
+			p {-
+				This is fine and all, but it could be better.  Specifically, it would be
+				nice if instead of having to navigate to the front of the line, delete
+				the word, and replace it with something new (such as @em{-fixup}), you
+				could just hit ‘@kbd{-f}’ on your keyboard with your cursor on the right
+				line and have it edit the command for you.  Along with fixups, it would
+				also be nice to be able to press ‘@kbd{-s}’ for @em{-squash}, ‘@kbd{-r}’
+				for @em{-reword}, etc.
+			}
+
+			p {-
+				Seeing as the Git-Rebase interface is line-based with a simple syntax,
+				you could probably easily do this with a regular-expression-based
+				solution.  I’m going to use Tree-Sitter though because it’s cooler, and
+				I want to show off how easy it is to use.
+			}
+
+			h2 #plugin {-Writing The Plugin}
+			p {-
+				The first thing to figure out is where to put the plugin.  Seeing as we
+				only want it active when we’re performing a rebase, we can make use of
+				the @code{-after/ftplugin} directory.  Configurations placed in this
+				directory will only be applied when working in a buffer whose filetype
+				corresponds to the filename.  By running @code{-:set ft?} in a
+				Git-Rebase buffer we can see that the filetype is ‘@code{-gitrebase}’,
+				so with all that information we know that we can put our plugin in
+				@code{-after/ftplugin/gitrebase.lua}.
+			}
+
+			p {-
+				The basic skeleton of the plugin is going to look like so:
+			}
+
+			figure {
+				figcaption {
+					code {-after/ftplugin/gitrebase.lua}
+				}
+				pre {= m4_fmt_code(skeleton.lua.gsp) }
+			}
+
+			p {-
+				The @code{-map} function defined here will create a normal-mode
+				keybinding where pressing the key combination provided as the first
+				argument will replace the Git-Rebase command of the current line with
+				the string provided in the second argument.  The actual function to
+				perform this replacement isn’t implemented yet, so in it’s current state
+				it will bind these keys to an empty function.  We also pass a few
+				options to @code{-vim.keymap.set}, you can read more about these in
+				@code{-:help vim.keymap.set} if you’re interested.
+			}
+
+			p {-
+				The first step to implementing the actual functionality of the plugin is
+				to figure out where we are.  We can do this very easily with the Neovim
+				Tree-Sitter m4_abbr(API):
+			}
+
+			figure {
+				pre {= m4_fmt_code(get-cursor.diff.gsp) }
+			}
+
+			p {-
+				The @code{-ts_utils.get_node_at_cursor()} function will return to us the
+				current node in the Tree-Sitter parse tree that our cursor is located
+				at.  In the case that we don’t have a Tree-Sitter parser available, the
+				node will be @code{-nil} and we can just issue an error.
+			}
+
+			p {-
+				Before making any more progress, it’s a good idea to make sure you have
+				a proper understanding of the structure of the @code{-gitrebase}
+				m4_abbr(AST).  You can view the m4_abbr(AST) by opening a new
+				@code{-gitrebase} buffer and running
+				@code{-:vim.treesitter.inspect_tree()}.  I implore you to do this
+				yourself, you’ll learn from it.  The m4_abbr(AST) will end up looking
+				something like this, followed by a bunch of @code{-(comment)}s:
+			}
+
+			figure {
+				pre {= m4_fmt_code(ts-tree.scm.gsp) }
+			}
+
+			p {-
+				As you can see, each line is represented by an @em{-operation} node
+				which has three child nodes: a @em{-command}, a @em{-label}, and a
+				@em{-message}.  You can probably begin to realize now that we’re going
+				to want to get- and modify the @em{-command} node on the line that our
+				cursor is on.
+			}
+
+			p {-
+				In the code above we got the node at our cursor, now we need to traverse
+				the m4_abbr(AST) to the operation node.  We can call the @em{-:parent()}
+				method on our node in a loop to traverse up the tree until we reach our
+				target node.  If our cursor isn’t on a valid line such as on a comment
+				or a blank line we won’t ever hit an operation node and will instead get
+				@code{-nil}, so we need to handle that case too.
+			}
+
+			figure {
+				pre {= m4_fmt_code(get-parent.diff.gsp) }
+			}
+
+			p {-
+				Now that we have the operation node, we simply have to get the child
+				command node (which we know is the first child node), find out where in
+				the buffer it is, and replace it.  We can call the @code{-:child(0)}
+				method on our node to get the first child, and then call the
+				@code{-:range()} method on the child to get position in our buffer of
+				the command node.  The @code{-:range()} method returns 4 values: the
+				start row, start column, end row, and end column.  We can then pass
+				these positions to @code{-vim.api.nvim_buf_set_text()} to set the text
+				at the given position.
+			}
+
+			figure {
+				pre {= m4_fmt_code(change-command.diff.gsp) }
+			}
+
+			p {-
+				And that is the entire plugin!  In just 24 lines of code (including
+				whitespace) we implemented a plugin using Tree-Sitter to allow you to
+				modify a Git-Rebase command with a single keystroke.  The completed
+				product looks like so:
+			}
+
+			figure {
+				figcaption {
+					code {-after/ftplugin/gitrebase.lua}
+				}
+				pre {= m4_fmt_code(final.lua.gsp) }
+			}
+
+			figure {
+				figcaption {-
+					Example Usage
+				}
+				video width="100%" height="720" controls {-
+					@source src="final.webm" type="video/webm" {}
+					Your browser does not support the video tag.
+				}
+			}
+		}
+
+		hr{}
+
+		footer { m4_footer }
+	}
+}
diff --git a/src/blog/nvim-ts/skeleton.lua.gsp b/src/blog/nvim-ts/skeleton.lua.gsp
new file mode 100644
index 0000000..0bc5f2e
--- /dev/null
+++ b/src/blog/nvim-ts/skeleton.lua.gsp
@@ -0,0 +1,14 @@
+@span .kw {-local} @span .kw {-function} @span .fn {-map}(@span .var {-lhs}, @span .var {-rhs})
+	vim.keymap.@span .fn {-set}(@span .str {-'n'}, @span .var {-lhs}, @span .kw {-function}()
+		@span .cmt {--- TODO}
+	@span .kw {-end}, {
+		@span .var {-buffer} @span .op {-=} @span .cnst {-true},
+		@span .var {-noremap} @span .op {-=} @span .cnst {-true},
+		@span .var {-silent} @span .op {-=} @span .cnst {-true},
+	\})
+@span .kw {-end}
+
+@span .fn {-map}(@span .str {-'p'}, @span .str {-'pick'})
+@span .fn {-map}(@span .str {-'r'}, @span .str {-'reword'})
+@span .fn {-map}(@span .str {-'s'}, @span .str {-'squash'})
+@span .fn {-map}(@span .str {-'f'}, @span .str {-'fixup'})
diff --git a/src/blog/nvim-ts/ts-tree.scm.gsp b/src/blog/nvim-ts/ts-tree.scm.gsp
new file mode 100644
index 0000000..bc2840a
--- /dev/null
+++ b/src/blog/nvim-ts/ts-tree.scm.gsp
@@ -0,0 +1,12 @@
+(@span .fn {-operation}) @span .cmt {-; [1:1 - 30]}
+ (@span .fn {-command}) @span .cmt {-; [1:1 - 4]}
+ (@span .fn {-label}) @span .cmt {-; [1:6 - 12]}
+ (@span .fn {-message}) @span .cmt {-; [1:14 - 30]}
+(@span .fn {-operation}) @span .cmt {-; [2:1 - 30]}
+ (@span .fn {-command}) @span .cmt {-; [2:1 - 4]}
+ (@span .fn {-label}) @span .cmt {-; [2:6 - 12]}
+ (@span .fn {-message}) @span .cmt {-; [2:14 - 30]}
+(@span .fn {-operation}) @span .cmt {-; [3:1 - 29]}
+ (@span .fn {-command}) @span .cmt {-; [3:1 - 4]}
+ (@span .fn {-label}) @span .cmt {-; [3:6 - 12]}
+ (@span .fn {-message}) @span .cmt {-; [3:14 - 29]}
diff --git a/src/fonts/vollkorn-italic.woff2 b/src/fonts/vollkorn-italic.woff2
index 5a6e856..67007b8 100644
Binary files a/src/fonts/vollkorn-italic.woff2 and b/src/fonts/vollkorn-italic.woff2 differ
diff --git a/src/fonts/vollkorn-regular.woff2 b/src/fonts/vollkorn-regular.woff2
index dfca66b..c5f91ac 100644
Binary files a/src/fonts/vollkorn-regular.woff2 and b/src/fonts/vollkorn-regular.woff2 differ
diff --git a/src/style.css b/src/style.css
index 1ea926b..53d9499 100644
--- a/src/style.css
+++ b/src/style.css
@@ -142,13 +142,13 @@ figure > pre > code::before {
 	background-color: var(--bg);
 }
 
-figure > :where(img, object) {
+figure > :where(img, object, video) {
 	display: block;
 	margin: 16px auto;
 }
 
 figure > img    { width: 50%;  }
-figure > object { width: 100%; }
+figure > is:(object, video) { width: 100%; }
 
 header > div {
 	display: flex;
@@ -180,9 +180,12 @@ dl {
         .sh-ex  { color: var(--salmon); }
 
 /* New classes */
-.fn  { color: var(--accent); }
-.var { color: var(--blue);   }
-.str { color: var(--aqua);   }
+.cmt  { color: var(--lesser); font-style: italic; }
+.fn   { color: var(--accent); }
+.kw   { color: var(--green);  }
+.str  { color: var(--aqua);   }
+.cnst { color: var(--blue);   }
+.op   { color: var(--lesser); }
 
 .diff-ins  { color: var(--green);  }
 .diff-del  { color: var(--red);    }
@@ -249,27 +252,28 @@ dl {
 		pointer-events: none;
 	}
 
-	abbr.ast::before  { content: 'Abstract Syntax Tree';         }
-	abbr.cli::before  { content: 'Command-Line Interface';       }
-	abbr.cpu::before  { content: 'Central Processing Unit';      }
-	abbr.css::before  { content: 'Cascading Stylesheets';        }
-	abbr.cv::before   { content: 'Curriculum Vitæ';              }
-	abbr.ec::before   { content: 'Embedded Controller';          }
-	abbr.gnu::before  { content: 'GNU’s Not UNIX';               }
-	abbr.gsp::before  { content: 'German Shorthaired Pointer';   }
-	abbr.html::before { content: 'Hypertext Markup Language';    }
-	abbr.it::before   { content: 'Information Technology';       }
-	abbr.js::before   { content: 'JavaScript';                   }
-	abbr.led::before  { content: 'Light-Emitting Diode';         }
-	abbr.nas::before  { content: 'Network Attached Storage';     }
-	abbr.pdf::before  { content: 'Portable Document Format';     }
-	abbr.qr::before   { content: 'Quick Response';               }
-	abbr.rgb::before  { content: 'Red Green Blue';               }
-	abbr.sha::before  { content: 'Secure Hash Algorithm';        }
-	abbr.tfa::before  { content: 'Two-Factor Authentication';    }
-	abbr.totp::before { content: 'Time-Based One-Time Password'; }
-	abbr.uri::before  { content: 'Uniform Resource Identifier';  }
-	abbr.xml::before  { content: 'Extensible Markup Language';   }
+	abbr.api::before  { content: 'Application Programming Interface'; }
+	abbr.ast::before  { content: 'Abstract Syntax Tree';              }
+	abbr.cli::before  { content: 'Command-Line Interface';            }
+	abbr.cpu::before  { content: 'Central Processing Unit';           }
+	abbr.css::before  { content: 'Cascading Stylesheets';             }
+	abbr.cv::before   { content: 'Curriculum Vitæ';                   }
+	abbr.ec::before   { content: 'Embedded Controller';               }
+	abbr.gnu::before  { content: 'GNU’s Not UNIX';                    }
+	abbr.gsp::before  { content: 'German Shorthaired Pointer';        }
+	abbr.html::before { content: 'Hypertext Markup Language';         }
+	abbr.it::before   { content: 'Information Technology';            }
+	abbr.js::before   { content: 'JavaScript';                        }
+	abbr.led::before  { content: 'Light-Emitting Diode';              }
+	abbr.nas::before  { content: 'Network Attached Storage';          }
+	abbr.pdf::before  { content: 'Portable Document Format';          }
+	abbr.qr::before   { content: 'Quick Response';                    }
+	abbr.rgb::before  { content: 'Red Green Blue';                    }
+	abbr.sha::before  { content: 'Secure Hash Algorithm';             }
+	abbr.tfa::before  { content: 'Two-Factor Authentication';         }
+	abbr.totp::before { content: 'Time-Based One-Time Password';      }
+	abbr.uri::before  { content: 'Uniform Resource Identifier';       }
+	abbr.xml::before  { content: 'Extensible Markup Language';        }
 }
 
 @media (max-width: 600px) {
-- 
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