[XeTeX] (not) understanding XeTeXinterchartoks

2015-05-08 Thread David Carlisle
The following plain xetex document loops forever on \show\tmpb the \show don't cause the looping, if they are replaced by \def\zzzb{} xetex just hangs in a tight loop. The fact that it loops isn't necessarily a bug. \def\zzz{\zzz}\zzz does the same, but are there any words that could be added

Re: [XeTeX] (not) understanding XeTeXinterchartoks

2015-05-08 Thread Adam Twardoch (List)
In modern text processing (Unicode+OpenType), a text run is a series of characters with the same formatting (font, size, color etc.), directionality (ltr, rtl) and script (writing system such as Latin, Greek, Arabic or Gujarati). A. Sent from my mobile phone. On 08.05.2015, at 11:45, David

Re: [XeTeX] (not) understanding XeTeXinterchartoks

2015-05-08 Thread David Carlisle
On 8 May 2015 at 13:44, Jonathan Kew jfkth...@gmail.com wrote: If what you want to do here doesn't involve inserting text, yes, well what I wanted to do here was understand \XeTeXcharclass, so it doesn't necessarily involve inserting text:-) \XeTeXcharclass is a slightly strange beast as it

Re: [XeTeX] (not) understanding XeTeXinterchartoks

2015-05-08 Thread Jonathan Kew
On 8/5/15 12:54, David Carlisle wrote: On 8 May 2015 at 11:45, Adam Twardoch (List) list.a...@twardoch.com wrote: In modern text processing (Unicode+OpenType), a text run is a series of characters with the same formatting (font, size, color etc.), directionality (ltr, rtl) and script (writing

Re: [XeTeX] (not) understanding XeTeXinterchartoks

2015-05-08 Thread David Carlisle
On 8 May 2015 at 11:45, Adam Twardoch (List) list.a...@twardoch.com wrote: In modern text processing (Unicode+OpenType), a text run is a series of characters with the same formatting (font, size, color etc.), directionality (ltr, rtl) and script (writing system such as Latin, Greek, Arabic or