Neat trick with LuaTeX: Passing Lua tables from TeX to Lua
It has been a long time since I wrote a blog post so I thought I’d share a rather nice “trick” I discovered today. You can pass a Lua table from a TeX macro to Lua. Here’s how. The result…
More progress with HarfBuzz/LuaTeX (update)
Just a short post to share another example from my on-going work on HarfBuzz A rather pointless example – without using any code to correctly place mark glyphs (e.g., vowels) – showing randomly coloured Arabic glyphs. Thanks to the power…
Xpost: New open source PostScript interpreter being developed
Just a brief post to note that a new PostScript interpreter, called Xpost, is being developed. For details see announcement on Google Groups. Definitely one I shall be following.
Quick tip: Decompressing PDFs for Debugging
If you are creating special effects in PDFs (e.g., using pdfTeX’s \pdfliteral{…} or via \special{…}) it can be extremely helpful to see the raw PDF code being output by your code/macros etc – especially when debugging! Often, by default, PDF…
Unicode Version 6.3 is Published
Title of the post says it all really. Perhaps the most interesting change is the improved Unicode Bidirectional Algorithm together with a new reference implementation in C.
Early results of integrating HarfBuzz into LuaTeX
Building on the work of porting LuaTeX to build on Windows I decided to explore adding HarfBuzz to provide Arabic shaping. The excellent HarfBuzz API lends itself to some interesting solutions so here’s a quick post to show some early…