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-rw-r--r--Master/texmf-dist/tex/context/base/typo-rep.lua43
1 files changed, 34 insertions, 9 deletions
diff --git a/Master/texmf-dist/tex/context/base/typo-rep.lua b/Master/texmf-dist/tex/context/base/typo-rep.lua
index 5ecff558623..0d9bf8cc1b7 100644
--- a/Master/texmf-dist/tex/context/base/typo-rep.lua
+++ b/Master/texmf-dist/tex/context/base/typo-rep.lua
@@ -24,12 +24,17 @@ local has_attribute = node.has_attribute
local chardata = characters.data
local collected = false
-local attribute = attributes.private("stripping")
+local a_stripping = attributes.private("stripping")
local fontdata = fonts.hashes.identifiers
local tasks = nodes.tasks
-local nodecodes = nodes.nodecodes
-local glyph_code = nodecodes.glyph
+local texattribute = tex.attribute
+local unsetvalue = attributes.unsetvalue
+
+local v_reset = interfaces.variables.reset
+
+local nodecodes = nodes.nodecodes
+local glyph_code = nodecodes.glyph
-- todo: other namespace -> typesetters
@@ -74,7 +79,7 @@ function nodes.handlers.stripping(head)
while current do
if current.id == glyph_code then
-- it's more efficient to keep track of what needs to be kept
- local todo = has_attribute(current,attribute)
+ local todo = has_attribute(current,a_stripping)
if todo == 1 then
local char = current.char
local what = glyphs[char]
@@ -94,11 +99,31 @@ function nodes.handlers.stripping(head)
return head, done
end
+local enabled = false
+
+function stripping.set(n) -- number or 'reset'
+ if n == v_reset then
+ n = unsetvalue
+ else
+ n = tonumber(n)
+ if n then
+ if not enabled then
+ if initialize then initialize() end
+ tasks.enableaction("processors","nodes.handlers.stripping")
+ enabled = true
+ end
+ else
+ n = unsetvalue
+ end
+ end
+ texattribute[a_stripping] = n
+end
+
+-- why not in task-ini?
+
tasks.appendaction("processors","fonts","nodes.handlers.stripping",nil,"nodes.handlers.characters")
tasks.disableaction("processors","nodes.handlers.stripping")
-function nodes.stripping.enable()
- if initialize then initialize() end
- tasks.enableaction("processors","nodes.handlers.stripping")
- function nodes.stripping.enable() end
-end
+-- interface
+
+commands.setcharacterstripping = stripping.set