[NTG-context] Re: You can't use '\prevdepth' in restricted horizontal mode

3 Jan 2025


      On 1/3/2025 4:53 PM, Jeong Dal via ntg-context wrote:
...
Dear all,
I got the error "You can't use '\prevdepth' in restricted horizontal 
mode” when I compile the following code.
If I remove “\starttabulete…  \stoptabulate”, then no errors, but the 
out put is not the form of table.
How can I fix this error?
Thank you.
Best regards,
Dalyoung
\starttext
\startluacode
function makeHead(a)
local n = #a
context.HL()
for i = 1, n do
context.NC() context(a[i])
end
context.NC()context.AR()
context.HL()
end
\stopluacode
%\starttabulate[|mcw(1cm)|mcw(1cm)|mcw(1cm)|mcw(1cm)|]
\startluacode
local a = {"x","y","z","(x\\to y)"}
makeHead(a)
\stopluacode
%\stoptabulate
\stoptext
or

\starttext

\startluacode
     function document.MakeHead(p,a)
         if not a then
             local t = p
             p = string.rep("|k.5",#p) .. "|"
             a = t
         end
         context.starttabulate { p }
             context.FL()
             for i=1,#a do
                 context.NC() context(a[i])
             end
             context.NC() context.NR()
             context.LL()
         context.stoptabulate()
     end
\stopluacode

\startluacode
     document.MakeHead (
         "|mcw(1cm)|mcw(1cm)|mcw(1cm)|mcw(2cm)|",
         { "x", "y", "z", "(x \\to y)" }
     )
\stopluacode

\startluacode
     document.MakeHead {
         "x", "y", "z", "(x \\to y)"
     }
\stopluacode

\stoptext


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