I had documented some Unix-like commands, of the format dash dash help, but these were displayed like strange dash help, and so if I searched for the text, it was not found. If I copied it – and user id, it was not valid!
A dash is not that simple, there is
| character | Unicode (hexadecimal) | HTML entity | |
|---|---|---|---|
| hyphen | ‐ | U+2010 ‐ ‐ | ‐ ‐‐ ‐ |
| Figure dash | ‒ | U+2012 ‒ ‒ | |
| En dash | – | U+2013 – – | – – |
| Em dash | — | U+2014 — — | — — |
| Horizontal bar | ― | U+2015 ― ― | ― ― |
| minus sign | − | U+2212 − − | − − |
The solution
You can use
and the text comes out like --help. If you do this, the text is searchable in the formatted page in a browser
I now have to go through all my pages and make the change!
ColinPaice 
And this is why I write all my blog post in the raw HTML. These WYSIWYG editors are really bad at this and lots of other things besides.
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