2018-05-12 00:16:00

1 files changed, 8 insertions, 29 deletions

diff --git a/tex/context/base/mkiv/typo-itc.lua b/tex/context/base/mkiv/typo-itc.lua
index 328bf1406..b85a2847e 100644
--- a/tex/context/base/mkiv/typo-itc.lua
+++ b/tex/context/base/mkiv/typo-itc.lua
@@ -29,9 +29,6 @@ local enableaction        = nodes.tasks.enableaction
 local nuts                = nodes.nuts
 local nodepool            = nuts.pool
 
-local tonode              = nuts.tonode
-local tonut               = nuts.tonut
-
 local getprev             = nuts.getprev
 local getnext             = nuts.getnext
 local getid               = nuts.getid
@@ -177,7 +174,7 @@ local textokay   = false
 local enablemath = false
 local enabletext = false
 
-local function domath(head,current, done)
+local function domath(head,current)
     current    = end_of_math(current)
     local next = getnext(current)
     if next then
@@ -212,7 +209,6 @@ local function domath(head,current, done)
                                         report_italics("%s italic between math %C and punctuation %C","removing",i,c,char)
                                     end
                                     setkern(kern,0) -- or maybe a small value or half the ic
-                                    done = true
                                 end
                             elseif i == 0 then
                                 local d = chardata[f][c]
@@ -226,7 +222,6 @@ local function domath(head,current, done)
                                     if trace_italics then
                                         report_italics("%s italic %p between math %C and punctuation %C","setting",i,c,char)
                                     end
-                                    done = true
                                 end
                             elseif trace_italics then
                                 report_italics("%s italic %p between math %C and punctuation %C","keeping",k,c,char)
@@ -251,34 +246,31 @@ local function domath(head,current, done)
                                 report_italics("%s italic %p between math %C and non punctuation %C","adding",a,getchar(glyph),char)
                             end
                             insert_node_after(head,glyph,correction_kern(a,glyph))
-                            done = true
                         end
                     end
                 end
             end
         end
     end
-    return current, done
+    return current
 end
 
 local function mathhandler(head)
-    local nuthead = tonut(head)
-    local current = nuthead
-    local done    = false
+    local current = head
     while current do
         if getid(current) == math_code then
-            current, done = domath(nuthead,current,done)
+            current = domath(head,current)
         end
         current = getnext(current)
     end
-    return head, done
+    return head
 end
 
 local function texthandler(head)
 
     local prev            = nil
     local prevchar        = nil
-    local prevhead        = tonut(head)
+    local prevhead        = head
     local previtalic      = 0
     local previnserted    = nil
 
@@ -300,7 +292,6 @@ local function texthandler(head)
     local replaceinserted = nil
 
     local current         = prevhead
-    local done            = false
     local lastfont        = nil
     local lastattr        = nil
 
@@ -313,7 +304,6 @@ local function texthandler(head)
                 if previtalic ~= 0 then
                     if okay(data,current,font,prevchar,previtalic,char,"glyph") then
                         insert_node_after(prevhead,prev,correction_kern(previtalic,current))
-                        done = true
                     end
                 elseif previnserted and data then
                     if trace_italics then
@@ -325,7 +315,6 @@ local function texthandler(head)
                     if replaceitalic ~= 0 then
                         if okay(data,replace,font,replacechar,replaceitalic,char,"replace") then
                             insert_node_after(replacehead,replace,correction_kern(replaceitalic,current))
-                            done = true
                         end
                         replaceitalic = 0
                     elseif replaceinserted and data then
@@ -338,7 +327,6 @@ local function texthandler(head)
                     if postitalic ~= 0 then
                         if okay(data,post,font,postchar,postitalic,char,"post") then
                             insert_node_after(posthead,post,correction_kern(postitalic,current))
-                            done = true
                         end
                         postitalic = 0
                     elseif postinserted and data then
@@ -479,7 +467,6 @@ local function texthandler(head)
                 end
                 previnserted = correction_glue(previtalic,current) -- maybe just add ? else problem with penalties
                 previtalic   = 0
-                done         = true
                 insert_node_after(prevhead,prev,previnserted)
             else
                 if replaceitalic ~= 0 then
@@ -488,7 +475,6 @@ local function texthandler(head)
                     end
                     replaceinserted = correction_kern(replaceitalic,current) -- needs to be a kern
                     replaceitalic   = 0
-                    done            = true
                     insert_node_after(replacehead,replace,replaceinserted)
                 end
                 if postitalic ~= 0 then
@@ -497,7 +483,6 @@ local function texthandler(head)
                     end
                     postinserted = correction_kern(postitalic,current) -- needs to be a kern
                     postitalic   = 0
-                    done         = true
                     insert_node_after(posthead,post,postinserted)
                 end
             end
@@ -510,7 +495,7 @@ local function texthandler(head)
             postinserted    = nil
             postitalic      = 0
             if mathokay then
-                current, done = domath(head,current,done)
+                current = domath(head,current)
             else
                 current = end_of_math(current)
             end
@@ -526,7 +511,6 @@ local function texthandler(head)
                 replaceitalic   = 0
                 postinserted    = nil
                 postitalic      = 0
-                done            = true
             else
                 if replaceitalic ~= 0 then
                     if trace_italics then
@@ -539,7 +523,6 @@ local function texthandler(head)
                     replaceitalic   = 0
                     postinserted    = nil
                     postitalic      = 0
-                    done            = true
                 end
                 if postitalic ~= 0 then
                     if trace_italics then
@@ -552,7 +535,6 @@ local function texthandler(head)
                     replaceitalic   = 0
                     postinserted    = nil
                     postitalic      = 0
-                    done            = true
                 end
             end
         end
@@ -564,25 +546,22 @@ local function texthandler(head)
                 report_italics("inserting %p between %s italic %C and end of list",previtalic,"glyph",prevchar)
             end
             insert_node_after(prevhead,prev,correction_kern(previtalic,current))
-            done = true
         else
             if replaceitalic ~= 0 then
                 if trace_italics then
                     report_italics("inserting %p between %s italic %C and end of list",replaceitalic,"replace",replacechar)
                 end
                 insert_node_after(replacehead,replace,correction_kern(replaceitalic,current))
-                done = true
             end
             if postitalic ~= 0 then
                 if trace_italics then
                     report_italics("inserting %p between %s italic %C and end of list",postitalic,"post",postchar)
                 end
                 insert_node_after(posthead,post,correction_kern(postitalic,current))
-                done = true
             end
         end
     end
-    return head, done
+    return head
 end
 
 function italics.handler(head)