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39 changes: 35 additions & 4 deletions STYLE_GUIDE.md
Original file line number Diff line number Diff line change
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# Style Guide for MDAnalysis
# Style Guide for MDAnalysis<sup>®</sup>

## Name
When referring to the project we always capitalize as

* ✔️ MDAnalysis
* ✔️ MDAnalysis<sup>®</sup>

and _not_
* ✖️ ~~MDanalysis~~
Expand All @@ -14,10 +14,10 @@ and _not_
In logo art we _may_ break the name as

MD<br/>
Analysis
Analysis<sub>®</sub>


*MDAnalysis* is a proper noun when we refer to the project/organization or the library itself so it is typeset in the standard typeface of the surrounding text. It is _not_ set in `monospace` typeface. It _may_ be set in italics (*MDAnalysis*) or another common style (e.g., sans serif) to visually distinguish software names.
*MDAnalysis®* is a proper noun when we refer to the project/organization or the library itself so it is typeset in the standard typeface of the surrounding text. It is _not_ set in `monospace` typeface. It _may_ be set in italics (*MDAnalysis*) or another common style (e.g., sans serif) to visually distinguish software names.

* ✔️ MDAnalysis
* ✔️ *MDAnalysis*
Expand All @@ -30,6 +30,8 @@ If we refer to the importable Python package of the MDAnalysis library or if we
* ✔️ "Importing the `MDAnalysis` package is a form of linking as far as the GPL is concerned."
* ✖️ ~~"When loading the MDAnalysis package you can alias it to the short form mda."~~

MDAnalysis<sup>®</sup> is a *registered trademark* in the US and elsewhere. See [Trademark](#trademark) below for details on how to use the ® symbol.

## Colors
### Logo Colors

Expand Down Expand Up @@ -65,3 +67,32 @@ The [User Guide CSS theme](https://github.com/MDAnalysis/UserGuide/blob/develop/

* The MDAnalysis logo typeface is "ZAG Bold" from https://www.dafont.com/de/zag.font (see MDAnalysis/UserGuide#11).
* We generally prefer sans serif fonts for our materials (Helvetica, Arial)

## Trademark

The ® symbol may only be used for federally registered trademarks. MDAnalysis is a registered trademark of NumFOCUS, Inc., so we are allowed to use it.

The ® symbol should be added wherever possible when referring to the project name or logo.
This includes:
- The project name in text
- The project logo
- Documentation, websites, and presentations where the mark appears

### Where to place the ® symbol
The ® symbol usually appears only with the first or most prominent mention of the trademark in a document or page.

General guidance:
- Text: place the ® as a superscript to the upper right of the name
- Logos: place the ® as a subscript to the lower right of the logo

In our logo, the symbol should appear at the lower right of the logo.

### Branding and style choices
There are no strict legal rules about the exact size or styling of the ® symbol. We can decide how it should appear in our branding.

Common practices include:
- Showing the ® symbol the first time the logo or name appears
- Making sure the symbol is large enough to be visible
- Including guidance in your branding documentation so others know how to display it correctly

For more information see [this guide](https://www.mekiplaw.com/trademark-symbols-explained/).