diff options
Diffstat (limited to 'tex/context/base/mkiv/meta-fun.lua')
| -rw-r--r-- | tex/context/base/mkiv/meta-fun.lua | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/tex/context/base/mkiv/meta-fun.lua b/tex/context/base/mkiv/meta-fun.lua index ddbbd9a52..aa388b0ca 100644 --- a/tex/context/base/mkiv/meta-fun.lua +++ b/tex/context/base/mkiv/meta-fun.lua @@ -13,15 +13,18 @@ local format, load, type = string.format, load, type local context = context local metapost = metapost -metapost.metafun = metapost.metafun or { } -local metafun = metapost.metafun +local metafun = metapost.metafun or { } +metapost.metafun = metafun function metafun.topath(t,connector) context("(") if #t > 0 then + if not connector then + connector = ".." + end for i=1,#t do if i > 1 then - context(connector or "..") + context(connector) end local ti = t[i] if type(ti) == "string" then @@ -39,12 +42,15 @@ end function metafun.interpolate(f,b,e,s,c) local done = false context("(") - for i=b,e,(e-b)/s do - local d = load(format("return function(x) return %s end",f)) - if d then - d = d() + local d = load(format("return function(x) return %s end",f)) + if d then + d = d() + if not c then + c = "..." + end + for i=b,e,(e-b)/s do if done then - context(c or "...") + context(c) else done = true end |