diff options
Diffstat (limited to 'systems/doc/luatex/luatex-tex.tex')
-rw-r--r-- | systems/doc/luatex/luatex-tex.tex | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/systems/doc/luatex/luatex-tex.tex b/systems/doc/luatex/luatex-tex.tex index 4e70243c6d..dacaec0cb9 100644 --- a/systems/doc/luatex/luatex-tex.tex +++ b/systems/doc/luatex/luatex-tex.tex @@ -689,13 +689,14 @@ We have similar setters for \type {count}, \type {dimen}, \type {muskip}, and \type {toks}. Counters and dimen are represented by numbers, skips and muskips by nodes, and toks by strings. -Again the glue variants are not using the \nod {glue-spec} userdata nodes. The +Again the glue variants are not using the \nod {glue_spec} userdata nodes. The \type {setglue} function accepts upto 5 arguments: width, stretch, shrink, -stretch order and shrink order and the \type {getglue} function reports them, -unless the second argument is \type {false} in which care only the width is -returned. +stretch order and shrink order. If you pass no values or if a value is not a +number the corresponding property will become a zero. The \type {getglue} +function reports all properties, unless the second argument is \type {false} in +which care only the width is returned. -Here is an example usign a threesome: +Here is an example using a threesome: \startfunctioncall local d = tex.getdimen("foo") @@ -725,7 +726,7 @@ are special because they have to deal with more properties. As with the general \type {get} and \type {set} function discussed before, for the skip registers \type {getskip} returns a node and \type {getglue} returns -numbers, while \type {setskip} accepts a node and \type {setglue} expects upto 5 +numbers, while \type {setskip} accepts a node and \type {setglue} expects upto five numbers. Again, when you pass \type {false} as second argument to \type {getglue} you only get the width returned. The same is true for the \type {mu} variants \type {getmuskip}, \type {setmuskip}, \type {getmuskip} and\type {setmuskip}. @@ -737,7 +738,7 @@ tex.scantoks(0,3,"$e=mc^2$") tex.scantoks("global",0,"$\int\limits^1_2$") \stopfunctioncall -In the function-based interface, it is possible to define values globally by +In the function|-|based interface, it is possible to define values globally by using the string \type {global} as the first function argument. \stopsubsection @@ -1614,7 +1615,10 @@ primitives \quote{\tex{ }}, \quote{\tex {/}} and \quote{\type {-}} are defined. \startluacode function document.showprimitives(tag) - for k, v in table.sortedpairs(tex.extraprimitives(tag)) do + local t = tex.extraprimitives(tag) + table.sort(t) + for i=1,#t do + local v = t[i] if v ~= ' ' and v ~= "/" and v ~= "-" then context.type(v) context.space() |