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-rw-r--r--tex/generic/context/luatex/luatex-fonts-merged.lua42
1 files changed, 39 insertions, 3 deletions
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index 41ed20fdc..03b817496 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
-- merged file : luatex-fonts-merged.lua
-- parent file : luatex-fonts.lua
--- merge date : 11/01/13 12:20:30
+-- merge date : 11/01/13 15:02:08
do -- begin closure to overcome local limits and interference
@@ -2613,6 +2613,31 @@ function number.signed(i)
return "-",-i
end
end
+local zero=P("0")^1/""
+local plus=P("+")/""
+local minus=P("-")
+local separator=S(".")
+local digit=R("09")
+local trailing=zero^1*#S("eE")
+local exponent=(S("eE")*(plus+Cs((minus*zero^0*P(-1))/"")+minus)*zero^0*(P(-1)*Cc("0")+P(1)^1))
+local pattern_a=Cs(minus^0*digit^1*(separator/""*trailing+separator*(trailing+digit)^0)*exponent)
+local pattern_b=Cs((exponent+P(1))^0)
+function number.sparseexponent(f,n)
+ if not n then
+ n=f
+ f="%e"
+ end
+ local tn=type(n)
+ if tn=="string" then
+ local m=tonumber(n)
+ if m then
+ return lpegmatch((f=="%e" or f=="%E") and pattern_a or pattern_b,format(f,m))
+ end
+ elseif tn=="number" then
+ return lpegmatch((f=="%e" or f=="%E") and pattern_a or pattern_b,format(f,n))
+ end
+ return tostring(n)
+end
local preamble=[[
local type = type
local tostring = tostring
@@ -2631,6 +2656,7 @@ local autosingle = string.autosingle
local autodouble = string.autodouble
local sequenced = table.sequenced
local formattednumber = number.formatted
+local sparseexponent = number.sparseexponent
]]
local template=[[
%s
@@ -2703,6 +2729,14 @@ local format_E=function(f)
n=n+1
return format("format('%%%sE',a%s)",f,n)
end
+local format_j=function(f)
+ n=n+1
+ return format("sparseexponent('%%%se',a%s)",f,n)
+end
+local format_J=function(f)
+ n=n+1
+ return format("sparseexponent('%%%sE',a%s)",f,n)
+end
local format_x=function(f)
n=n+1
return format("format('%%%sx',a%s)",f,n)
@@ -2893,11 +2927,11 @@ local builder=Cs { "start",
+V("c")+V("C")+V("S")
+V("Q")
+V("N")
-+V("r")+V("h")+V("H")+V("u")+V("U")+V("p")+V("b")+V("t")+V("T")+V("l")+V("L")+V("I")+V("h")
-+V("w")
++V("r")+V("h")+V("H")+V("u")+V("U")+V("p")+V("b")+V("t")+V("T")+V("l")+V("L")+V("I")+V("w")
+V("W")
+V("a")
+V("A")
++V("j")+V("J")
+V("m")+V("M")
+V("*")
)+V("*")
@@ -2934,6 +2968,8 @@ local builder=Cs { "start",
["I"]=(prefix_any*P("I"))/format_I,
["w"]=(prefix_any*P("w"))/format_w,
["W"]=(prefix_any*P("W"))/format_W,
+ ["j"]=(prefix_any*P("j"))/format_j,
+ ["J"]=(prefix_any*P("J"))/format_J,
["m"]=(prefix_tab*P("m"))/format_m,
["M"]=(prefix_tab*P("M"))/format_M,
["a"]=(prefix_any*P("a"))/format_a,