diff --git a/src/basic/Markdown.jl b/src/basic/Markdown.jl
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+### A Pluto.jl notebook ###
+# v0.19.30
+
+#> [frontmatter]
+#> image = "https://upload.wikimedia.org/wikipedia/commons/a/a0/Textformatting.svg"
+#> order = "1.5"
+#> title = "Markdown"
+#> tags = ["markdown", "basic"]
+#> license = "Unlicense"
+#> description = "Learn to write text cells with Markdown."
+#>
+#> [[frontmatter.author]]
+#> name = "Pluto.jl"
+#> url = "https://github.com/JuliaPluto"
+
+using Markdown
+using InteractiveUtils
+
+# ╔═╡ ce092665-e18d-4314-a43e-51a04e25cd30
+md"""
+# How to use Markdown in Pluto
+
+If a Pluto cell starts with `md"` and ends with `"`, it is a markdown cell!
+"""
+
+# ╔═╡ 02b26da6-40d1-4b3c-a594-aff8016b0945
+
+
+# ╔═╡ 1adedccd-db89-40ec-ab77-a92c2976fc2c
+md"Hello *Markdown*"
+
+# ╔═╡ 2f8d4781-a364-4803-ba5f-69f85ef1c055
+
+
+# ╔═╡ 50891330-1c60-4020-b4f6-f1200ca2b71d
+md"""
+!!! info "Julia cells and Markdown cells"
+ Some notebook environments have different **cell types**: a *code* cell and a *Markdown* cell.
+
+ In Pluto, there is **only one cell type**: a Julia cell. But you can use the Julia string macro `md"` to write Markdown inside of Julia! 🤯
+"""
+
+# ╔═╡ 57e3bfde-b692-44e6-a764-7459626a8919
+
+
+# ╔═╡ 50fa8a8b-2c55-45b6-b4e0-8f510294586c
+
+
+# ╔═╡ 76b5db23-8174-445d-927e-ef2d92bbf32f
+
+
+# ╔═╡ e548c2ce-0e77-43b2-acaa-97005d67801f
+md"""
+# Keyboard shortcut
+
+Instead of typing `md"` by hand, you can press **`Ctrl + M`** (or **`Cmd + M`** on Mac) to do it automatically.
+
+👉 Try it yourself! In the cell below, press **`Ctrl/Cmd + M`**, type a message, and run the cell.
+"""
+
+# ╔═╡ f953ef79-b3a5-4adb-8467-b92b5f5bfbce
+
+
+# ╔═╡ c16b0170-5b0b-4618-b028-b6278bd6319d
+
+
+# ╔═╡ 4dbbfcee-37d0-4361-9058-ea3f9354e2de
+
+
+# ╔═╡ 49fd22a1-63d7-48c3-a1de-67087b77e347
+
+
+# ╔═╡ 9a7e812e-f6bd-47b8-ac36-124a2a233354
+md"""
+> 🐤 This is how all the text cells in this notebook are made! You can show the code on any of them to see how they are written.
+"""
+
+# ╔═╡ 838cb47d-db5e-4182-b7a1-164f0552bd02
+
+
+# ╔═╡ 9cae62be-7591-4ebe-9fbc-c39be4e479c4
+md"""
+---
+"""
+
+# ╔═╡ dfb656e4-94bc-4b3b-bd09-979d937246b8
+
+
+# ╔═╡ af97612d-832e-431a-b096-be8d7c94228f
+md"""
+# Markdown syntax
+
+We've seen one bit of markdown syntax already: a single `*` for italics. There are more! Here is a quick reference to get you started:
+"""
+
+# ╔═╡ 99f3bca7-5314-4e86-8f28-bb5a6358bdbd
+md"""
+Text in *italics* or **bold**
+"""
+
+# ╔═╡ cd5b10ac-0618-4220-b7e3-b1beeea43eff
+md"""
+Headers:
+
+# Biggest header
+## Big header
+### Medium header
+#### Small header
+##### Smaller header
+"""
+
+# ╔═╡ 8b622d0d-def6-4a2c-af3b-fdf91240fb90
+md"""
+Bullet points:
+
+- something
+- something else
+"""
+
+# ╔═╡ 5a399dae-5756-4614-a64f-214e812ee069
+md"""
+Numbered lists:
+
+1. First item
+2. Second item
+"""
+
+# ╔═╡ cca6c895-7974-4c3e-9170-ed85ae127478
+md"""
+If you're familiar with writing LaTeX formulas, you can do that too: ``i = \sqrt{-1}``.
+"""
+
+# ╔═╡ 65b31de3-fe0b-4e2a-97ad-39e4cd17962f
+md"""
+Text blocks are often describing code, so it's important that we can write code neatly!
+
+You can use `ticks` when you want to talk about variables or expressions.
+"""
+
+# ╔═╡ 3b8ae605-025f-485e-a5a2-1f823319a67a
+md"""
+For longer pieces of code, you can use three ticks:
+
+```
+x = 1
+```
+
+If you're writing code in a specific language, you can also specify it to get nice formatting:
+
+```julia
+function square(x)
+ x^2
+end
+```
+
+Neat!
+"""
+
+# ╔═╡ 6e315f3b-1a46-483e-86bc-931023a8ac54
+md"""
+You can add links like so: [read about Julia](https://julialang.org).
+"""
+
+# ╔═╡ cb3b24f4-10d1-4de9-bd82-813af622f79b
+md"""
+If you want to include an image from the web, it looks a lot like adding a a link. Adding a `!` at the start means that we want to *show* the image instead of linking to it.
+
+
+
+For images, the text between the `[]` is used as *alt text*: a text description that can be used when the image can't be shown. This is useful for people with impaired vision, but it's also useful if the link doesn't work.
+
+
+"""
+
+# ╔═╡ dd004d6c-54f6-4dd7-9aea-910adf0b22a5
+md"""
+What if you want to add an image that isn't on the internet? You can also link to your own filesystem:
+
+
+
+Oops, you probably can't see that one! That's the trouble with linking to files: it doesn't always work. There are ways around that, but if you're new to all this, linking to online images is the way to go. We recommend uploading your image to the web (with `imgur.com` for example) to get a URL.
+"""
+
+# ╔═╡ 5b08043c-302b-4b9b-982d-4ba1da41ff9f
+md"""
+Those are the basics! There is more you can do in markdown, like adding tables or footnotes: see the links at the bottom if you want to learn more.
+"""
+
+# ╔═╡ e7626671-ff5d-45f1-b8df-853d1d9bc1ac
+
+
+# ╔═╡ 4428fe55-7d65-487b-864b-b566e7ecee9e
+md"""
+## Dynamic content
+
+Writing some text is nice, what's really neat is if the text can **respond to code**. A simple way to do this is with an `if`/`else` block. Here we make a statement based on the value of `x`:
+
+👉 Try changing the value of `x` to `-5`, and watch how the text changes.
+"""
+
+# ╔═╡ 7e5644fd-75ff-4f70-9981-ddb7d9ad470c
+x = 1
+
+# ╔═╡ 445eddb1-ccee-45d9-be5b-3f5fec9e2c7a
+if x > 0
+ md"`x` is positive"
+elseif x < 0
+ md"`x` is negative"
+else
+ md"`x` is zero"
+end
+
+# ╔═╡ 51e38551-742c-48dd-aaea-ffe479b9621b
+md"""
+### Interpolating values
+
+You can also use **`$`** (the dollar sign) to include expressions in your text.
+
+For example, your text can include the value of a variable:
+"""
+
+# ╔═╡ 1a2f37ec-9be2-4fd5-8f0b-b6579a241b55
+md"""
+The value of `x` is $(x), which is $(x > 100 ? "a lot!" : "not very high.")
+"""
+
+# ╔═╡ d2451923-6487-497c-a169-9815702c42fc
+md"""
+## Useful links
+
+- [Markdown Guide](https://www.markdownguide.org/)
+- [Documentation of Julia's Markdown library](https://docs.julialang.org/en/v1/stdlib/Markdown/)
+
+"""
+
+# ╔═╡ 64a23ad5-0fa1-48dd-9786-dcfbc73a3b52
+
+
+# ╔═╡ d6def1a3-cc96-4eb9-bfce-949d29ffe31f
+function pluto_icon(name, alt=name)
+
+ # It would be better to use HypertextLiteral.jl instead of just the HTML function, but this means that the notebook works without any packages, which can be a problem when reading this notebook without internet.
+ HTML("""-outline.svg "$(alt)")
+ """)
+end
+
+# ╔═╡ 8f45d098-4041-4449-83c3-79280232691e
+md"""
+👉 Try it yourself! In the cell below, write some markdown text, and run the cell with the $(pluto_icon("caret-forward-circle", "play")) button on the bottom right of the cell (or **`Shift + Enter`**).
+"""
+
+# ╔═╡ 688a8ea9-1bff-45c5-8942-f8e96ed0ef79
+md"""
+When you are done, **hide the code** by clicking the $(pluto_icon("eye")) button on the left of the cell.
+"""
+
+# ╔═╡ e392d442-5c83-4711-bc45-c2dbedf62b7f
+md"""
+## Helper function
+
+We wrote a helper function to show Pluto's GUI buttons in the introduction text, like $(pluto_icon("eye")) and $(pluto_icon("caret-forward-circle")). A bit too advanced for this notebook, but hopefully it made the text easier to read!
+"""
+
+# ╔═╡ 58eb1225-6521-45ef-827a-78cdafbaf784
+pluto_icon_style = html"""
+
+"""
+
+# ╔═╡ 00000000-0000-0000-0000-000000000001
+PLUTO_PROJECT_TOML_CONTENTS = """
+[deps]
+"""
+
+# ╔═╡ 00000000-0000-0000-0000-000000000002
+PLUTO_MANIFEST_TOML_CONTENTS = """
+# This file is machine-generated - editing it directly is not advised
+
+julia_version = "1.8.3"
+manifest_format = "2.0"
+project_hash = "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+
+[deps]
+"""
+
+# ╔═╡ Cell order:
+# ╟─ce092665-e18d-4314-a43e-51a04e25cd30
+# ╟─02b26da6-40d1-4b3c-a594-aff8016b0945
+# ╠═1adedccd-db89-40ec-ab77-a92c2976fc2c
+# ╟─2f8d4781-a364-4803-ba5f-69f85ef1c055
+# ╟─50891330-1c60-4020-b4f6-f1200ca2b71d
+# ╟─8f45d098-4041-4449-83c3-79280232691e
+# ╠═57e3bfde-b692-44e6-a764-7459626a8919
+# ╟─688a8ea9-1bff-45c5-8942-f8e96ed0ef79
+# ╟─50fa8a8b-2c55-45b6-b4e0-8f510294586c
+# ╟─76b5db23-8174-445d-927e-ef2d92bbf32f
+# ╟─e548c2ce-0e77-43b2-acaa-97005d67801f
+# ╠═f953ef79-b3a5-4adb-8467-b92b5f5bfbce
+# ╟─c16b0170-5b0b-4618-b028-b6278bd6319d
+# ╟─4dbbfcee-37d0-4361-9058-ea3f9354e2de
+# ╟─49fd22a1-63d7-48c3-a1de-67087b77e347
+# ╟─9a7e812e-f6bd-47b8-ac36-124a2a233354
+# ╟─838cb47d-db5e-4182-b7a1-164f0552bd02
+# ╟─9cae62be-7591-4ebe-9fbc-c39be4e479c4
+# ╟─dfb656e4-94bc-4b3b-bd09-979d937246b8
+# ╟─af97612d-832e-431a-b096-be8d7c94228f
+# ╠═99f3bca7-5314-4e86-8f28-bb5a6358bdbd
+# ╠═cd5b10ac-0618-4220-b7e3-b1beeea43eff
+# ╠═8b622d0d-def6-4a2c-af3b-fdf91240fb90
+# ╠═5a399dae-5756-4614-a64f-214e812ee069
+# ╠═cca6c895-7974-4c3e-9170-ed85ae127478
+# ╠═65b31de3-fe0b-4e2a-97ad-39e4cd17962f
+# ╠═3b8ae605-025f-485e-a5a2-1f823319a67a
+# ╠═6e315f3b-1a46-483e-86bc-931023a8ac54
+# ╠═cb3b24f4-10d1-4de9-bd82-813af622f79b
+# ╠═dd004d6c-54f6-4dd7-9aea-910adf0b22a5
+# ╟─5b08043c-302b-4b9b-982d-4ba1da41ff9f
+# ╟─e7626671-ff5d-45f1-b8df-853d1d9bc1ac
+# ╟─4428fe55-7d65-487b-864b-b566e7ecee9e
+# ╠═7e5644fd-75ff-4f70-9981-ddb7d9ad470c
+# ╠═445eddb1-ccee-45d9-be5b-3f5fec9e2c7a
+# ╟─51e38551-742c-48dd-aaea-ffe479b9621b
+# ╠═1a2f37ec-9be2-4fd5-8f0b-b6579a241b55
+# ╟─d2451923-6487-497c-a169-9815702c42fc
+# ╟─64a23ad5-0fa1-48dd-9786-dcfbc73a3b52
+# ╟─e392d442-5c83-4711-bc45-c2dbedf62b7f
+# ╟─d6def1a3-cc96-4eb9-bfce-949d29ffe31f
+# ╟─58eb1225-6521-45ef-827a-78cdafbaf784
+# ╟─00000000-0000-0000-0000-000000000001
+# ╟─00000000-0000-0000-0000-000000000002