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authorHans Hagen <pragma@wxs.nl>2017-01-27 16:14:16 +0100
committerContext Git Mirror Bot <phg42.2a@gmail.com>2017-01-27 16:14:16 +0100
commit95a1799032dc61dbca4a11e495be34b4397c8fec (patch)
tree4b24bf117a90ba704dedf19ab1b1a734d78f4e45 /doc
parent0cfeab235554eeee0dddd6c3f44d3939ab490ff1 (diff)
downloadcontext-95a1799032dc61dbca4a11e495be34b4397c8fec.tar.gz
2017-01-27 14:46:00
Diffstat (limited to 'doc')
-rw-r--r--doc/context/documents/general/manuals/luatex.pdfbin1060453 -> 1063120 bytes
-rw-r--r--doc/context/documents/general/qrcs/setup-cs.pdfbin798618 -> 799508 bytes
-rw-r--r--doc/context/documents/general/qrcs/setup-de.pdfbin800249 -> 801177 bytes
-rw-r--r--doc/context/documents/general/qrcs/setup-en.pdfbin803809 -> 804150 bytes
-rw-r--r--doc/context/documents/general/qrcs/setup-fr.pdfbin797176 -> 798391 bytes
-rw-r--r--doc/context/documents/general/qrcs/setup-it.pdfbin799924 -> 799982 bytes
-rw-r--r--doc/context/documents/general/qrcs/setup-nl.pdfbin795310 -> 796496 bytes
-rw-r--r--doc/context/documents/general/qrcs/setup-ro.pdfbin795125 -> 795562 bytes
-rw-r--r--doc/context/sources/general/manuals/luatex/luatex-math.tex54
-rw-r--r--doc/context/sources/general/manuals/luatex/luatex-modifications.tex2
-rw-r--r--doc/context/sources/general/manuals/luatex/luatex-nodes.tex5
11 files changed, 58 insertions, 3 deletions
diff --git a/doc/context/documents/general/manuals/luatex.pdf b/doc/context/documents/general/manuals/luatex.pdf
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diff --git a/doc/context/documents/general/qrcs/setup-cs.pdf b/doc/context/documents/general/qrcs/setup-cs.pdf
index 0c0ce1cdb..8061cba60 100644
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index 2af8c21b5..393df51ef 100644
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index f5cadbf6b..3450920b8 100644
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diff --git a/doc/context/documents/general/qrcs/setup-it.pdf b/doc/context/documents/general/qrcs/setup-it.pdf
index 8d66356c2..46f80fd22 100644
--- a/doc/context/documents/general/qrcs/setup-it.pdf
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diff --git a/doc/context/documents/general/qrcs/setup-nl.pdf b/doc/context/documents/general/qrcs/setup-nl.pdf
index e7a23c6de..13603b906 100644
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diff --git a/doc/context/documents/general/qrcs/setup-ro.pdf b/doc/context/documents/general/qrcs/setup-ro.pdf
index e018442a4..2bb62c200 100644
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diff --git a/doc/context/sources/general/manuals/luatex/luatex-math.tex b/doc/context/sources/general/manuals/luatex/luatex-math.tex
index 0b639f0dc..1f92fc70c 100644
--- a/doc/context/sources/general/manuals/luatex/luatex-math.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex-math.tex
@@ -985,7 +985,7 @@ For Latin Modern The result looks as follows:
\subsection {Verbose versions of single-character math commands}
\LUATEX\ defines six new primitives that have the same function as
-\type {^}, \type {_}, \type {$}, and \type {$$}: %$
+\type {^}, \type {_}, \type {$}, and \type {$$}:
\starttabulate[|l|l|l|l|]
\NC \bf primitive \NC \bf explanation \NC \NR
@@ -1018,7 +1018,57 @@ Inline math is surrounded by (optional) \type {\mathsurround} spacing but that i
dimension. There is now an additional parameter \type {\mathsurroundskip}. When set to a
non|-|zero value (or zero with some stretch or shrink) this parameter will replace
\type {\mathsurround}. By using an additional parameter instead of changing the nature
-of \type {\mathsurround}, we can remain compatible.
+of \type {\mathsurround}, we can remain compatible. In the meantime a bit more
+control has been added via \type {\mathsurroundmode}. This directive can take 6 values
+with zero being the default behaviour.
+
+\start
+
+\def\OneLiner#1#2%
+ {\NC #1
+% \NC \ruledhbox{\mathsurroundmode#1\relax\hsize 100pt x$x$x}
+% \NC \ruledhbox{\mathsurroundmode#1\relax\hsize 100pt x $x$ x}
+ \NC \dontleavehmode\inframed[align=normal,offset=0pt,frame=off]{\mathsurroundmode#1\relax\hsize 100pt x$x$x}
+ \NC \dontleavehmode\inframed[align=normal,offset=0pt,frame=off]{\mathsurroundmode#1\relax\hsize 100pt x $x$ x}
+ \NC #2
+ \NC \NR}
+
+\startbuffer
+\mathsurround 10pt
+\mathsurroundskip20pt
+\stopbuffer
+
+\typebuffer \getbuffer
+
+\starttabulate[|Tc|c|c|pl|]
+\HL
+\BC mode \BC \type {x$x$x} \BC \type {x $x$ x} \BC effect \NC \NR
+\HL
+\OneLiner{0}{obey \type {\mathsurround} when \type {\mathsurroundskip} is 0pt}
+\OneLiner{1}{only add skip to the left}
+\OneLiner{2}{only add skip to the right}
+\OneLiner{3}{add skip to the left and right}
+\OneLiner{4}{ignore the skip setting, obey \type {\mathsurround}}
+\OneLiner{5}{disable all spacing around math}
+\OneLiner{6}{only apply \type {\mathsurroundskip} when also spacing}
+\OneLiner{7}{only apply \type {\mathsurroundskip} when no spacing}
+\HL
+\stoptabulate
+
+\stop
+
+Method six omits the surround glue when there is (x)spacing glue present while
+method seven does the opposite, the glue is only applied when there is (x)space
+glue present too. Anything more fance, like checking the begining or end of a
+paragraph (or edges of a box) would not be robust anyway. If you want that you
+can write a callback that runs over a list and analyzes a paragraph. Actually, in
+that case you could also inject glue (or set the properties of a math node)
+explicitly. So, these modes are in practice mostly useful for special purposes
+and experiments (they originate in a tracker item). Keep in mind that this glue
+is part of the math node and not always treated as normal glue: it travels with
+the begin and end math nodes. Also, method 6 and 7 will zero the skip related
+fields in a node when applicable in the first occasion that checks them
+(linebreaking or packaging).
% \section{Math todo}
%
diff --git a/doc/context/sources/general/manuals/luatex/luatex-modifications.tex b/doc/context/sources/general/manuals/luatex/luatex-modifications.tex
index 711b6eec7..2857603ea 100644
--- a/doc/context/sources/general/manuals/luatex/luatex-modifications.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex-modifications.tex
@@ -78,6 +78,8 @@ most still comes from the original. But we divert a bit.
page is shipped out) or when \PDF\ output is enabled, the \type {true}
specification is ignored. When you preload a plain format adapted to
\LUATEX\ it can be that the \type {\mag} parameter already has been set.
+\stopitem
+
\stopitemize
\stopsubsection
diff --git a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
index 7495e6a61..f9fe4e808 100644
--- a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
@@ -1806,6 +1806,8 @@ If performance matters you can use an function instead:
\NC getsubtype \NC consulted less but also a topper \NC \NR
\NC getfont \NC used a lot in \OPENTYPE\ handling (glyph nodes are consulted a lot) \NC \NR
\NC getchar \NC idem and also in other places \NC \NR
+\NC getwhd \NC returns the \type {width}, \type {height} and \type {depth} of a list, rule or
+ (unexpanded) glyph \NC \NR
\NC getdisc \NC returns the \type {pre}, \type {post} and \type {replace} fields and
optionally when true is passed also the tail fields. \NC \NR
\NC getlist \NC we often parse nested lists so this is a convenient one too
@@ -1896,7 +1898,8 @@ this:
\NC \type {setboth} \NC \yes \NC \yes \NC \NR
\NC \type {setbox} \NC \nop \NC \yes \NC \NR
\NC \type {setchar} \NC \yes \NC \yes \NC \NR
-\NC \type {setdisc} \NC \yes \NC \yes \NC \NR
+\NC \type {setdisc} \NC \nop \NC \yes \NC \NR
+\NC \type {setwhd} \NC \nop \NC \yes \NC \NR
\NC \type {setfield} \NC \yes \NC \yes \NC \NR
\NC \type {setglue} \NC \yes \NC \yes \NC \NR
\NC \type {setlink} \NC \yes \NC \yes \NC \NR