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Rename to Cartisse

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Nico Verbruggen
2026-03-01 18:28:35 +01:00
parent d874e31a02
commit c6b6ec6325
6 changed files with 42 additions and 32 deletions
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.github/FUNDING.yml vendored Normal file
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github: nicoverbruggen
custom: ['https://nicoverbruggen.be/sponsor']

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README.md
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# Cartisse
This repository contains **Cartisse**, a renamed version of [XCharter](https://www.ctan.org/tex-archive/fonts/xcharter/), which is an extension for [Bitstream Charter](https://en.wikipedia.org/wiki/Bitstream_Charter).
## What is this?
This repository contains **NV XCharter**, a renamed version of [XCharter](https://www.ctan.org/tex-archive/fonts/xcharter/), which is an extended version of [Bitstream Charter](https://en.wikipedia.org/wiki/Bitstream_Charter).
**Cartisse is specifically intended to be used with Kobo e-readers.** You can also use it for general word processing and the like, but if you need more glyph coverage or advanced typography features I recommend looking at alternatives like [Charis](https://software.sil.org/charis/download/).
This version omits a few ligatures that consistently looked bad on e-ink displays and has adjusted metrics for improved line height. A more clarified [license](./LICENSE) which is also included as part of the distributed font files.
## How was this made?
- A few ligatures were removed, namely: `ff`, `ffi`, `ffl`, `fl`, `fi`.
- Some minor tweaks to kern pairs were made to tighten up the look and feel of the font.
Manually, for the most part, with FontForge.
- A few ligatures that did not render well on certain e-readers were removed, namely: `ff`, `ffi`, `ffl`, `fl`, `fi`.
- Some minor tweaks to kern pairs were made to tighten up the look and feel of the font, and to address the removed ligatures.
- Improved line height metrics were set (updated ascent/descent metrics).
- The font was renamed and re-exported with [FontForge](https://fontforge.org).
- The font was renamed and re-exported (see "Export settings" below).
- The copyright notice has been updated to reflect the new name.
### Kern pair changes
@@ -22,11 +28,13 @@ Make sure to check the following items when exporting as TTF:
![Take a look at this screenshot.](./doc/export.png)
In particular, **old style 'kern'** is important for compatibility with older devices.
In particular, **old style 'kern'** is important for compatibility with older devices, like the Kobo devices that I am targeting specifically.
### Source files
I've included the FontForge files in this repository.
I've included the FontForge files in this repository, you can find them in the `/src` folder.
You can download the TrueType version of these fonts via [Releases](https://github.com/nicoverbruggen/cartisse/releases), which are ready to be copied to your favorite e-reader. Alternatively, you can export the source files yourself.
## License
@@ -42,7 +50,7 @@ Copyright (c) 2025-2026 Nico Verbruggen
XCharter is an extension of Bitstream Charter, whose original license is reproduced below, as required under the terms of that license. The extension provides small caps, oldstyle figures and superior figures in all four styles, accompanied by LaTeX font support files.
NV XCharter is based on XCharter, but contains some manual tweaks and adjustments to metrics for an improved digital reading experience.
Cartisse is based on XCharter, but contains some metrics modifications and removes certain ligatures.
---

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src/NV-XCharter-Bold.sfd → src/Cartisse-Bold.sfd
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SplineFontDB: 3.2
FontName: NV-XCharter-Bold
FullName: NV XCharter Bold
FamilyName: NV XCharter
FontName: Cartisse-Bold
FullName: Cartisse Bold
FamilyName: Cartisse
Weight: Bold
Copyright: Copyright (c) 1989-1992, Bitstream Inc., Cambridge, MA.\nCopyright (c) 2009, 2010, 2011, 2012 Andrey V. Panov \nCopyright (c) 2013-2024 Michael Sharpe\nCopyright (c) 2025-2026 Nico Verbruggen\n\nXCharter is an extension of Bitstream Charter, whose original license is reproduced below, as required under the terms of that license. The extension provides small caps, oldstyle figures and superior figures in all four styles, accompanied by LaTeX font support files.\n\nNV XCharter is based on XCharter, but contains some manual tweaks and adjustments to metrics for an improved digital reading experience.\n\n---\n\nYou are hereby granted permission under all Bitstream propriety rights\nto use, copy, modify, sublicense, sell, and redistribute the 4 Bitstream\nCharter (r) Type 1 outline fonts and the 4 Courier Type 1 outline fonts\nfor any purpose and without restriction; provided, that this notice is\nleft intact on all copies of such fonts and that Bitstream's trademark\nis acknowledged as shown below on all unmodified copies of the 4 Charter\nType 1 fonts.\n\nBITSTREAM CHARTER is a registered trademark of Bitstream Inc.
Version: 1.4
Copyright: Copyright (c) 1989-1992, Bitstream Inc., Cambridge, MA.\nCopyright (c) 2009, 2010, 2011, 2012 Andrey V. Panov \nCopyright (c) 2013-2024 Michael Sharpe\nCopyright (c) 2025-2026 Nico Verbruggen\n\nXCharter is an extension of Bitstream Charter, whose original license is reproduced below, as required under the terms of that license. The extension provides small caps, oldstyle figures and superior figures in all four styles, accompanied by LaTeX font support files.\n\nCartisse is based on XCharter, but contains some metrics modifications and removes certain ligatures.\n\n---\n\nYou are hereby granted permission under all Bitstream propriety rights\nto use, copy, modify, sublicense, sell, and redistribute the 4 Bitstream\nCharter (r) Type 1 outline fonts and the 4 Courier Type 1 outline fonts\nfor any purpose and without restriction; provided, that this notice is\nleft intact on all copies of such fonts and that Bitstream's trademark\nis acknowledged as shown below on all unmodified copies of the 4 Charter\nType 1 fonts.\n\nBITSTREAM CHARTER is a registered trademark of Bitstream Inc.
Version: 2.0
ItalicAngle: 0
UnderlinePosition: -109
UnderlineWidth: 90
@@ -21,7 +21,7 @@ OS2Version: 4
OS2_WeightWidthSlopeOnly: 0
OS2_UseTypoMetrics: 1
CreationTime: 1136849748
ModificationTime: 1772376636
ModificationTime: 1772385243
PfmFamily: 17
TTFWeight: 700
TTFWidth: 5

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src/NV-XCharter-BoldItalic.sfd → src/Cartisse-BoldItalic.sfd
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SplineFontDB: 3.2
FontName: NV-XCharter-BoldItalic
FullName: NV XCharter Bold Italic
FamilyName: NV XCharter
FontName: Cartisse-BoldItalic
FullName: Cartisse Bold Italic
FamilyName: Cartisse
Weight: Bold
Copyright: Copyright (c) 1989-1992, Bitstream Inc., Cambridge, MA.\nCopyright (c) 2009, 2010, 2011, 2012 Andrey V. Panov \nCopyright (c) 2013-2024 Michael Sharpe\nCopyright (c) 2025-2026 Nico Verbruggen\n\nXCharter is an extension of Bitstream Charter, whose original license is reproduced below, as required under the terms of that license. The extension provides small caps, oldstyle figures and superior figures in all four styles, accompanied by LaTeX font support files.\n\nNV XCharter is based on XCharter, but contains some manual tweaks and adjustments to metrics for an improved digital reading experience.\n\n---\n\nYou are hereby granted permission under all Bitstream propriety rights\nto use, copy, modify, sublicense, sell, and redistribute the 4 Bitstream\nCharter (r) Type 1 outline fonts and the 4 Courier Type 1 outline fonts\nfor any purpose and without restriction; provided, that this notice is\nleft intact on all copies of such fonts and that Bitstream's trademark\nis acknowledged as shown below on all unmodified copies of the 4 Charter\nType 1 fonts.\n\nBITSTREAM CHARTER is a registered trademark of Bitstream Inc.
Version: 1.4
Copyright: Copyright (c) 1989-1992, Bitstream Inc., Cambridge, MA.\nCopyright (c) 2009, 2010, 2011, 2012 Andrey V. Panov \nCopyright (c) 2013-2024 Michael Sharpe\nCopyright (c) 2025-2026 Nico Verbruggen\n\nXCharter is an extension of Bitstream Charter, whose original license is reproduced below, as required under the terms of that license. The extension provides small caps, oldstyle figures and superior figures in all four styles, accompanied by LaTeX font support files.\n\nCartisse is based on XCharter, but contains some metrics modifications and removes certain ligatures.\n\n---\n\nYou are hereby granted permission under all Bitstream propriety rights\nto use, copy, modify, sublicense, sell, and redistribute the 4 Bitstream\nCharter (r) Type 1 outline fonts and the 4 Courier Type 1 outline fonts\nfor any purpose and without restriction; provided, that this notice is\nleft intact on all copies of such fonts and that Bitstream's trademark\nis acknowledged as shown below on all unmodified copies of the 4 Charter\nType 1 fonts.\n\nBITSTREAM CHARTER is a registered trademark of Bitstream Inc.
Version: 2.0
ItalicAngle: -11
UnderlinePosition: -109
UnderlineWidth: 90
@@ -21,7 +21,7 @@ OS2Version: 4
OS2_WeightWidthSlopeOnly: 0
OS2_UseTypoMetrics: 1
CreationTime: 1136849748
ModificationTime: 1772376653
ModificationTime: 1772385237
PfmFamily: 17
TTFWeight: 700
TTFWidth: 5

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src/NV-XCharter-Italic.sfd → src/Cartisse-Italic.sfd
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@@ -1,10 +1,10 @@
SplineFontDB: 3.2
FontName: NV-XCharter-Italic
FullName: NV XCharter Italic
FamilyName: NV XCharter
FontName: Cartisse-Italic
FullName: Cartisse Italic
FamilyName: Cartisse
Weight: Normal
Copyright: Copyright (c) 1989-1992, Bitstream Inc., Cambridge, MA.\nCopyright (c) 2009, 2010, 2011, 2012 Andrey V. Panov \nCopyright (c) 2013-2024 Michael Sharpe\nCopyright (c) 2025-2026 Nico Verbruggen\n\nXCharter is an extension of Bitstream Charter, whose original license is reproduced below, as required under the terms of that license. The extension provides small caps, oldstyle figures and superior figures in all four styles, accompanied by LaTeX font support files.\n\nNV XCharter is based on XCharter, but contains some manual tweaks and adjustments to metrics for an improved digital reading experience.\n\n---\n\nYou are hereby granted permission under all Bitstream propriety rights\nto use, copy, modify, sublicense, sell, and redistribute the 4 Bitstream\nCharter (r) Type 1 outline fonts and the 4 Courier Type 1 outline fonts\nfor any purpose and without restriction; provided, that this notice is\nleft intact on all copies of such fonts and that Bitstream's trademark\nis acknowledged as shown below on all unmodified copies of the 4 Charter\nType 1 fonts.\n\nBITSTREAM CHARTER is a registered trademark of Bitstream Inc.
Version: 1.4
Copyright: Copyright (c) 1989-1992, Bitstream Inc., Cambridge, MA.\nCopyright (c) 2009, 2010, 2011, 2012 Andrey V. Panov \nCopyright (c) 2013-2024 Michael Sharpe\nCopyright (c) 2025-2026 Nico Verbruggen\n\nXCharter is an extension of Bitstream Charter, whose original license is reproduced below, as required under the terms of that license. The extension provides small caps, oldstyle figures and superior figures in all four styles, accompanied by LaTeX font support files.\n\nCartisse is based on XCharter, but contains some metrics modifications and removes certain ligatures.\n\n---\n\nYou are hereby granted permission under all Bitstream propriety rights\nto use, copy, modify, sublicense, sell, and redistribute the 4 Bitstream\nCharter (r) Type 1 outline fonts and the 4 Courier Type 1 outline fonts\nfor any purpose and without restriction; provided, that this notice is\nleft intact on all copies of such fonts and that Bitstream's trademark\nis acknowledged as shown below on all unmodified copies of the 4 Charter\nType 1 fonts.\n\nBITSTREAM CHARTER is a registered trademark of Bitstream Inc.
Version: 2.0
ItalicAngle: -11
UnderlinePosition: -107
UnderlineWidth: 61
@@ -21,7 +21,7 @@ OS2Version: 4
OS2_WeightWidthSlopeOnly: 0
OS2_UseTypoMetrics: 1
CreationTime: 1136849748
ModificationTime: 1772376620
ModificationTime: 1772385231
PfmFamily: 17
TTFWeight: 400
TTFWidth: 5

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src/NV-XCharter-Regular.sfd → src/Cartisse-Regular.sfd
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SplineFontDB: 3.2
FontName: NV-XCharter-Regular
FullName: NV XCharter Regular
FamilyName: NV XCharter
FontName: Cartisse-Regular
FullName: Cartisse Regular
FamilyName: Cartisse
Weight: Regular
Copyright: Copyright (c) 1989-1992, Bitstream Inc., Cambridge, MA.\nCopyright (c) 2009, 2010, 2011, 2012 Andrey V. Panov \nCopyright (c) 2013-2024 Michael Sharpe\nCopyright (c) 2025-2026 Nico Verbruggen\n\nXCharter is an extension of Bitstream Charter, whose original license is reproduced below, as required under the terms of that license. The extension provides small caps, oldstyle figures and superior figures in all four styles, accompanied by LaTeX font support files.\n\nNV XCharter is based on XCharter, but contains some manual tweaks and adjustments to metrics for an improved digital reading experience.\n\n---\n\nYou are hereby granted permission under all Bitstream propriety rights\nto use, copy, modify, sublicense, sell, and redistribute the 4 Bitstream\nCharter (r) Type 1 outline fonts and the 4 Courier Type 1 outline fonts\nfor any purpose and without restriction; provided, that this notice is\nleft intact on all copies of such fonts and that Bitstream's trademark\nis acknowledged as shown below on all unmodified copies of the 4 Charter\nType 1 fonts.\n\nBITSTREAM CHARTER is a registered trademark of Bitstream Inc.
Version: 1.4
Copyright: Copyright (c) 1989-1992, Bitstream Inc., Cambridge, MA.\nCopyright (c) 2009, 2010, 2011, 2012 Andrey V. Panov \nCopyright (c) 2013-2024 Michael Sharpe\nCopyright (c) 2025-2026 Nico Verbruggen\n\nXCharter is an extension of Bitstream Charter, whose original license is reproduced below, as required under the terms of that license. The extension provides small caps, oldstyle figures and superior figures in all four styles, accompanied by LaTeX font support files.\n\nCartisse is based on XCharter, but contains some metrics modifications and removes certain ligatures.\n\n---\n\nYou are hereby granted permission under all Bitstream propriety rights\nto use, copy, modify, sublicense, sell, and redistribute the 4 Bitstream\nCharter (r) Type 1 outline fonts and the 4 Courier Type 1 outline fonts\nfor any purpose and without restriction; provided, that this notice is\nleft intact on all copies of such fonts and that Bitstream's trademark\nis acknowledged as shown below on all unmodified copies of the 4 Charter\nType 1 fonts.\n\nBITSTREAM CHARTER is a registered trademark of Bitstream Inc.
Version: 2.0
ItalicAngle: 0
UnderlinePosition: -108
UnderlineWidth: 61
@@ -21,7 +21,7 @@ OS2Version: 4
OS2_WeightWidthSlopeOnly: 0
OS2_UseTypoMetrics: 1
CreationTime: 1398298161
ModificationTime: 1772376605
ModificationTime: 1772385223
PfmFamily: 17
TTFWeight: 400
TTFWidth: 5