add the old snippet md files

old_snippets/vim-placeholders.en.md

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+---
+title: "custom placeholders solution"
+date: 2020-01-12T00:59:03+01:00
+draft: false
+snippet_types: ["vim"]
+---
+
+This little bit of magic I believe I picked up from watching a Luke Smith video. The point is to
+leave placeholders in the form of the text "\<++>" in your code/writing then quickly snap to and
+fill them in later.
+
+```vim script
+" placeholder magic
+nnoremap <Space><Space> <Esc>/<++<CR>"_c4l
+nnoremap <Space>n <Esc>l/<++><CR>h
+" always fill p reg with <++>
+:autocmd VimEnter * :call setreg('p', '<++>')
+```
+
+1. Thanks to the vim enter hook the magic placeholder text is always in my p register so its easy to put with **\<">\<p>**
+1. Then to jump to the next placeholder and immediately start editing it with a simple **\<Space>\<Space>**
+
+
+{{< asciicast-with-caption id="293101" title="placeholders demo" >}}
+
+source:
+
+- [Luke Smith Youtube Channel](https://www.youtube.com/channel/UC2eYFnH61tmytImy1mTYvhA)