12 files changed, 93 insertions, 25 deletions
diff --git a/tex/context/base/back-ini.lua b/tex/context/base/back-ini.lua
index f76b85438..f6b2f60f1 100644
--- a/tex/context/base/back-ini.lua
+++ b/tex/context/base/back-ini.lua
@@ -97,6 +97,6 @@ tables.vfspecials = allocate {
 
 function commands.pdfrotation(a) -- somewhat weird here
     local s, c = sind(a), cosd(a)
-    context("%s %s %s %s",c,s,-s,c)
+    context("%0.6f %0.6f %0.6f %0.6f",c,s,-s,c)
 end
 
diff --git a/tex/context/base/chem-str.lua b/tex/context/base/chem-str.lua
index 83cfba6bf..8c154cc36 100644
--- a/tex/context/base/chem-str.lua
+++ b/tex/context/base/chem-str.lua
@@ -31,6 +31,7 @@ local format, gmatch, match, lower, gsub = string.format, string.gmatch, string.
 local concat, insert, remove = table.concat, table.insert, table.remove
 local processor_tostring = typesetters and typesetters.processors.tostring
 local settings_to_array = utilities.parsers.settings_to_array
+local settings_to_array_with_repeat = utilities.parsers.settings_to_array_with_repeat
 
 local lpegmatch = lpeg.match
 local P, R, S, C, Cs, Ct, Cc = lpeg.P, lpeg.R, lpeg.S, lpeg.C, lpeg.Cs, lpeg.Ct, lpeg.Cc
@@ -216,8 +217,8 @@ function chemistry.define(name,spec,text)
         definitions[name] = dn
     end
     dn[#dn+1] = {
-        spec = settings_to_array(lower(spec)),
-        text = settings_to_array(text),
+        spec = settings_to_array_with_repeat(lower(spec),true),
+        text = settings_to_array_with_repeat(text,true),
     }
 end
 
@@ -582,8 +583,9 @@ end
 
 function chemistry.component(spec,text,settings)
     rulethickness, rulecolor, offset = settings.rulethickness, settings.rulecolor
-    local spec = settings_to_array(spec)
-    local text = settings_to_array(text)
+    local spec = settings_to_array_with_repeat(spec,true) -- no lower?
+    local text = settings_to_array_with_repeat(text,true)
+-- inspect(spec)
     metacode[#metacode+1] = t_start_component
     process(spec,text,1,rulethickness,rulecolor) -- offset?
     metacode[#metacode+1] = t_stop_component
@@ -619,7 +621,7 @@ local inline = {
 }
 
 function commands.inlinechemical(spec)
-    local spec = settings_to_array(spec)
+    local spec = settings_to_array_with_repeat(spec,true)
     for i=1,#spec do
         local s = spec[i]
         local inl = inline[lower(s)]
diff --git a/tex/context/base/colo-ini.lua b/tex/context/base/colo-ini.lua
index 51f66025e..4fdbf4545 100644
--- a/tex/context/base/colo-ini.lua
+++ b/tex/context/base/colo-ini.lua
@@ -288,7 +288,8 @@ local right       = P(")")
 local comma       = P(",")
 local mixnumber   = lpegpatterns.number / tonumber
 local mixname     = C(P(1-left-right-comma)^1)
-local mixcolor    = Cc("M") * mixnumber * left * mixname * (comma * mixname)^-1 * right * P(-1)
+----- mixcolor    = Cc("M") * mixnumber * left * mixname * (comma * mixname)^-1 * right * P(-1)
+local mixcolor    = Cc("M") * mixnumber * left * mixname * (comma * mixname)^0 * right * P(-1) -- one is also ok
 
 local exclamation = P("!")
 local pgfnumber   = lpegpatterns.digit^0 / function(s) return tonumber(s)/100 end
diff --git a/tex/context/base/context-version.pdf b/tex/context/base/context-version.pdf
index b42a55d11..4f4f7a4d8 100644
--- a/tex/context/base/context-version.pdf
+++ b/tex/context/base/context-version.pdf
diff --git a/tex/context/base/context-version.png b/tex/context/base/context-version.png
index 492244e80..bb7d07636 100644
--- a/tex/context/base/context-version.png
+++ b/tex/context/base/context-version.png
diff --git a/tex/context/base/lpdf-ini.lua b/tex/context/base/lpdf-ini.lua
index 88999358c..1591d6da1 100644
--- a/tex/context/base/lpdf-ini.lua
+++ b/tex/context/base/lpdf-ini.lua
@@ -703,7 +703,7 @@ registerpagefinalizer(checkshades,3,"shades")
 
 function lpdf.rotationcm(a)
     local s, c = sind(a), cosd(a)
-    return format("%s %s %s %s 0 0 cm",c,s,-s,c)
+    return format("%0.6f %0.6f %0.6f %0.6f 0 0 cm",c,s,-s,c)
 end
 
 -- ! -> universaltime
diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf
index 3d9408372..905dd140f 100644
--- a/tex/context/base/status-files.pdf
+++ b/tex/context/base/status-files.pdf
diff --git a/tex/context/base/status-lua.pdf b/tex/context/base/status-lua.pdf
index 0340c0484..cdc59418d 100644
--- a/tex/context/base/status-lua.pdf
+++ b/tex/context/base/status-lua.pdf
diff --git a/tex/context/base/syst-con.lua b/tex/context/base/syst-con.lua
index 2eaf98fd7..f3f1b98cf 100644
--- a/tex/context/base/syst-con.lua
+++ b/tex/context/base/syst-con.lua
@@ -39,3 +39,14 @@ function commands.format(fmt,...) -- used ?
     fmt = gsub(fmt,"@","%%")
     context(fmt,...)
 end
+
+local cosd, sind, tand = math.cosd, math.sind, math.tand
+local cos, sin, tan = math.cos, math.sin, math.tan
+
+function commands.sind(n) context("%0.6f",sind(n)) end
+function commands.cosd(n) context("%0.6f",cosd(n)) end
+function commands.tand(n) context("%0.6f",tand(n)) end
+
+function commands.sin(n) context("%0.6f",sin(n)) end
+function commands.cos(n) context("%0.6f",cos(n)) end
+function commands.tan(n) context("%0.6f",tan(n)) end
diff --git a/tex/context/base/syst-con.mkiv b/tex/context/base/syst-con.mkiv
index 6ef734c8f..de8ed597e 100644
--- a/tex/context/base/syst-con.mkiv
+++ b/tex/context/base/syst-con.mkiv
@@ -134,9 +134,13 @@
 % \let\calculatecos\gobbleoneargument
 % \let\calculatetan\gobbleoneargument
 
-\def\setcalculatedsin#1#2{\edef#1{\cldcontext{math.sind(#2)}}}
-\def\setcalculatedcos#1#2{\edef#1{\cldcontext{math.cosd(#2)}}}
-\def\setcalculatedtan#1#2{\edef#1{\cldcontext{math.tand(#2)}}}
+% \def\setcalculatedsin#1#2{\edef#1{\cldcontext{math.sind(#2)}}} % jit-unsafe
+% \def\setcalculatedcos#1#2{\edef#1{\cldcontext{math.cosd(#2)}}} % jit-unsafe
+% \def\setcalculatedtan#1#2{\edef#1{\cldcontext{math.tand(#2)}}} % jit-unsafe
+
+\def\setcalculatedsin#1#2{\edef#1{\ctxcommand{sind(#2)}}}
+\def\setcalculatedcos#1#2{\edef#1{\ctxcommand{cosd(#2)}}}
+\def\setcalculatedtan#1#2{\edef#1{\ctxcommand{tand(#2)}}}
 
            \def\formatted#1{\ctxcommand{format(#1)}}
 \unexpanded\def\format   #1{\ctxcommand{format(#1)}}
diff --git a/tex/context/base/type-imp-lucida-opentype.mkiv b/tex/context/base/type-imp-lucida-opentype.mkiv
index 8c4ff3bba..63a331cad 100644
--- a/tex/context/base/type-imp-lucida-opentype.mkiv
+++ b/tex/context/base/type-imp-lucida-opentype.mkiv
@@ -56,8 +56,8 @@
     \stoptypescript
 
     \starttypescript [\s!math] [lucidanova,lucidaot,otlucida]
-        \definefontsynonym [\s!MathRoman]     [\s!file:LucidaBrightMathOT.otf]      [\s!features=\s!math\mathsizesuffix,\s!goodies=lucidanova-math]
-        \definefontsynonym [\s!MathRomanBold] [\s!file:LucidaBrightMathOT-Demi.otf] [\s!features=\s!math\mathsizesuffix,\s!goodies=lucidanova-math]
+        \definefontsynonym [\s!MathRoman]     [\s!file:LucidaBrightMathOT.otf]      [\s!features=\s!math\mathsizesuffix,\s!goodies=lucida-opentype-math]
+        \definefontsynonym [\s!MathRomanBold] [\s!file:LucidaBrightMathOT-Demi.otf] [\s!features=\s!math\mathsizesuffix,\s!goodies=lucida-opentype-math]
     \stoptypescript
 
     \starttypescript [\s!handwriting] [lucidanova,lucidaot,otlucida]
diff --git a/tex/context/base/util-prs.lua b/tex/context/base/util-prs.lua
index 3cfb3e5f3..dc1526df7 100644
--- a/tex/context/base/util-prs.lua
+++ b/tex/context/base/util-prs.lua
@@ -23,11 +23,14 @@ local sortedhash        = table.sortedhash
 
 -- we share some patterns
 
+local digit       = R("09")
 local space       = P(' ')
 local equal       = P("=")
 local comma       = P(",")
 local lbrace      = P("{")
 local rbrace      = P("}")
+local lparent     = P("(")
+local rparent     = P(")")
 local period      = S(".")
 local punctuation = S(".,:;")
 local spacer      = patterns.spacer
@@ -36,6 +39,9 @@ local newline     = patterns.newline
 local anything    = patterns.anything
 local endofstring = patterns.endofstring
 
+local nobrace     = 1 - ( lbrace  + rbrace )
+local noparent    = 1 - ( lparent + rparent)
+
 -- we could use a Cf Cg construct
 
 local escape, left, right = P("\\"), P('{'), P('}')
@@ -45,17 +51,19 @@ patterns.balanced = P {
     [2] = left * V(1) * right
 }
 
-local nobrace   = 1 - (lbrace+rbrace)
-local nested    = P { lbrace * (nobrace + V(1))^0 * rbrace }
-local spaces    = space^0
-local argument  = Cs((lbrace/"") * ((nobrace + nested)^0) * (rbrace/""))
-local content   = (1-endofstring)^0
+local nestedbraces  = P { lbrace * (nobrace + V(1))^0 * rbrace }
+local nestedparents = P { lparent * (noparent + V(1))^0 * rparent }
+local spaces        = space^0
+local argument      = Cs((lbrace/"") * ((nobrace + nestedbraces)^0) * (rbrace/""))
+local content       = (1-endofstring)^0
 
-patterns.nested   = nested    -- no capture
-patterns.argument = argument  -- argument after e.g. =
-patterns.content  = content   -- rest after e.g =
+patterns.nestedbraces  = nestedbraces  -- no capture
+patterns.nestedparents = nestedparents -- no capture
+patterns.nested        = nestedbraces  -- no capture
+patterns.argument      = argument      -- argument after e.g. =
+patterns.content       = content       -- rest after e.g =
 
-local value     = P(lbrace * C((nobrace + nested)^0) * rbrace) + C((nested + (1-comma))^0)
+local value     = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace) + C((nestedbraces + (1-comma))^0)
 
 local key       = C((1-equal-comma)^1)
 local pattern_a = (space+comma)^0 * (key * equal * value + key * C(""))
@@ -125,7 +133,8 @@ function parsers.settings_to_hash_strict(str,existing)
 end
 
 local separator = comma * space^0
-local value     = P(lbrace * C((nobrace + nested)^0) * rbrace) + C((nested + (1-comma))^0)
+local value     = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace)
+                + C((nestedbraces + (1-comma))^0)
 local pattern   = spaces * Ct(value*(separator*value)^0)
 
 -- "aap, {noot}, mies" : outer {} removes, leading spaces ignored
@@ -220,7 +229,49 @@ function parsers.simple_hash_to_string(h, separator)
     return concat(t,separator or ",")
 end
 
-local value   = lbrace * C((nobrace + nested)^0) * rbrace
+-- for chem (currently one level)
+
+local value     = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace)
+                + C(digit^1 * lparent * (noparent + nestedparents)^0 * rparent)
+                + C((nestedbraces + (1-comma))^0)
+local pattern_a = spaces * Ct(value*(separator*value)^0)
+
+local function repeater(n,str)
+    if not n then
+        return str
+    else
+        local s = lpegmatch(pattern_a,str)
+        if n == 1 then
+            return unpack(s)
+        else
+            local t, tn = { }, 0
+            for i=1,n do
+                for j=1,#s do
+                    tn = tn + 1
+                    t[tn] = s[j]
+                end
+            end
+            return unpack(t)
+        end
+    end
+end
+
+local value     = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace)
+                + (C(digit^1)/tonumber * lparent * Cs((noparent + nestedparents)^0) * rparent) / repeater
+                + C((nestedbraces + (1-comma))^0)
+local pattern_b = spaces * Ct(value*(separator*value)^0)
+
+function parsers.settings_to_array_with_repeat(str,expand)
+    if expand then
+        return lpegmatch(pattern_b,str)
+    else
+        return lpegmatch(pattern_a,str)
+    end
+end
+
+--
+
+local value   = lbrace * C((nobrace + nestedbraces)^0) * rbrace
 local pattern = Ct((space + value)^0)
 
 function parsers.arguments_to_table(str)
@@ -251,7 +302,6 @@ function parsers.listitem(str)
 end
 
 --
-local digit = R("09")
 
 local pattern = Cs { "start",
     start    = V("one") + V("two") + V("three"),