Clean-up of mscore font

fonts/README.md

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+# MuseScore Fonts
+
+This directory contains the fonts used internally by MuseScore and the sources used to generate them.
+
+**FontForge** is used to work on the fonts and the sources are all in the **.sfd** format used by FontForge.
+
+## Sub-directories
+
+* **bravura** The _Bravura_ font(s) and the documentation for them and for SMuFL. These fonts are **not** maintained by the MsueScore community, please **DO NOT EDIT**.
+* **gonville** The _Gonville_ font for score musical symbols.
+* **mscore** The main font used in MuseScore scores for musical symbols (formerly known as _Emmentaler_), as well its counterpart used for texts.
+
+Other files in the main **fonts** directories are for collateral fonts used by MuseScore for specific tasks. If an *.sfd* file is present, the font is maintained/customized by the MuseScore community.
+
+## Notes on using FontForge
+
+1. **Version**: FontForge version of 2014-05-27 is known to have generated .ttf fonts not working under Windows. Until the actual reason of the failure is understood, **please do not use it**. Version of 2012-07-31 is known to work.
+1. **Font names**: In some Fontforge versions and/or under some platforms, Fontforge seems to skip the "FullName" line while saving the font and this makes a .ttf generated from the source unusable under Windows. To ensure that this line is always output, select "Element | Font info...", tab "PS Names" and make sure the string "Name for humans:" is different from the string "Fontname:".
+1. **Kern**: To ensure fonts are properly kerned under all supported platform, **uncheck** the "Old style 'kern'" check box in the "Option" sub-dialogue box of the "Generate Font" dialogue box.