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README.md

Fixedsys Excelsior font with programming ligatures

Created by Darien Valentine

Font website

It looks like this

Where to get the result without compiling

The compiled TTF binary font is on the Releases page. There are two versions provided:

  1. Default has =< and >= ligated into "less or equal" and "greater or equal"
  2. Alt version enables <= (replacing reverse fat arrow) and >= instead (closes #3)

Rationale

I was always jealous for folks using Fira Code, Hasklig or Monoid fonts, but my problem is that I have a hard time reading (not even mentioning writing) a computer program in anything but 8x16 font. I probably spent too much time with older computers. So after fighting and losing an uphill battle with Glyph2, Fontlab and Fontforge I discovered TTX and was able to finally stop being jealous.

This current release has almost everything I use regularly. Feel free to request in the issues. PRs are of course more than welcome. I hope I'm not the only crazy guy on the internet using 8x16 font for consoles and text editing.

History

This font is a simulated 8x16 bitmap font from old Windows and DOS. It was truly monospaced and really bitmapped and initially contained only Western ASCII charset. Darien simulated the bitmap with TrueType outlines by building the font from 10x10 squares ("pixels") and then joining the squares together. As such, this font only works as intended in only one size and usually with antialiasing switched off. The size is 16px or 12pt.

He also added a lot of foreign characters and made the font Unicode.

Tech trivia

The font is distributed in binary TTF format and I decompiled it with TTX, added a few symbols inspired by Fira Code and created necessary ligatures.

To design the symbols I used quad lined paper, pencil and rubber eraser. Like in good old days, you know.

The supported programming ligatures are listed in the ligatures.txt file.

To create a TTF file from TTX XML just run ttx -f FSEX.ttx (-f means overwrite) or use OS X Makefile to also copy to the user Fonts folder and update font cache.

Supported software (incomplete list, send updates please)

I only tested in MacVim so far (this is the only editor I use). Comments and bug reports welcome. MacVim should be quite recent for ligatures to work.

Add the following to your .vimrc:

set guifont=Fixedsys\ Excelsior:h16
set noanti
set macligatures

Courtesy of @ForNeVeR:

  • Windows + IDEA (Oracle JDK): renders ligatures, but have problems rendering latin A letter (it occupies no space in text and gets composed with a next character). There's a warning in IDEA interface telling about incompatibilities of Oracle JDK and fonts with ligatures.
  • Windows + IDEA (JetBrains JDK): no problems noticed.
  • Windows + VS Code:
      "editor.fontFamily": "Fixedsys Excelsior",
      "editor.fontSize": 16,
      "editor.fontLigatures": true
    
  • Windows + Visual Studio 2015: works mostly okay, but -> ligature doesn't work. That's a known problem of WPF text renderer.
  • Windows + ConEmu: no ligatures at all. Powerline stuff works okay though, so font is usable even without ligatures. I'd recommend to set font cell width manually to 8 (otherwise it'll have problems determining proper places for line wrapping and rendering Far Manager UI): SettingsMainMain console font group → select Cell: 8 from the selector.

Emacs

Courtesy of @adrianparvino

Requires you to move the U+10001 PUA block to the first PUA block

In this example, U+10001 was moved to U+efb0.

Based on https://github.com/tonsky/FiraCode/wiki/Setting-up-Emacs

(set-fontset-font t '(#Xefb0 . #Xefc5) "Fixedsys Excelsior")
(defconst fixedsys-excelsior-font-lock-keywords-alist
  (mapcar (lambda (regex-char-pair)
	    `(,(car regex-char-pair)
	      (0 (prog1 ()
		   (compose-region (match-beginning 1)
				   (match-end 1)
				   ;; The first argument to concat is a string containing a literal tab
				   ,(concat "	" (list (decode-char 'ucs (cadr regex-char-pair)))))))))
	  '(("\\(>>=\\)"        #Xefb0)
	    ("\\(=<<\\)"        #Xefb1)
	    ("\\(<\\*>\\)"      #Xefb2)
	    ("\\(<\\$>\\)"      #Xefb3)
	    ("\\(::\\)"         #Xefb4)
	    ("\\(:=\\)"         #Xefb5)
	    ("\\(<<<\\)"        #Xefb6)
	    ("\\(>>>\\)"        #Xefb7)
	    ("\\(<>\\)"         #Xefb8)
	    ("\\(/=\\)"         #Xefb9)
	    ("\\({-\\)"         #Xefba)
	    ("\\(-}\\)"         #Xefbb)
	    ("\\(<|\\)"         #Xefbc)
	    ("\\(|>\\)"         #Xefbd)
	    ("\\(~>\\)"         #Xefbe)
	    ("\\(<~\\)"         #Xefbf)
	    ("\\(<~>\\)"        #Xefc0)
	    ("\\(<^>\\)"        #Xefc1)
	    ("\\(/\\\\\\)"      #Xefc2)
	    ("\\(<|>\\)"        #Xefc3)
	    ("\\(>=>\\)"        #Xefc4)
	    ("\\(<=<\\)"        #Xefc5))))


(defun add-fixedsys-excelsior-symbol-keywords ()
  (font-lock-add-keywords nil fixedsys-excelsior-font-lock-keywords-alist))

(add-hook 'prog-mode-hook
          #'add-fixedsys-excelsior-symbol-keywords)

Sublime Text 3 (build 3146+)

Should be defined in the user settings as so:

	"font_face": "Fixedsys Excelsior"

ToDo

<* *> < >