2020-04-19 19:24:00

3 files changed, 22 insertions, 12 deletions

diff --git a/doc/context/documents/general/manuals/luametatex.pdf b/doc/context/documents/general/manuals/luametatex.pdf
index c267b6704..f73b39d16 100644
--- a/doc/context/documents/general/manuals/luametatex.pdf
+++ b/doc/context/documents/general/manuals/luametatex.pdf
diff --git a/doc/context/sources/general/manuals/luametatex/luametatex-enhancements.tex b/doc/context/sources/general/manuals/luametatex/luametatex-enhancements.tex
index f295b3464..cc3788ee9 100644
--- a/doc/context/sources/general/manuals/luametatex/luametatex-enhancements.tex
+++ b/doc/context/sources/general/manuals/luametatex/luametatex-enhancements.tex
@@ -320,6 +320,7 @@ experimental.
 
 \topicindex {attributes}
 \topicindex {boxes}
+\topicindex {vcentering}
 
 Nodes typically receive the list of attributes that is in effect when they are
 created. This moment can be quite asynchronous. For example: in paragraph
@@ -343,7 +344,7 @@ already boxed material will have no effect. Keep in mind that this
 incompatibility is mostly due to the fact that separate specials and literals are
 a more unnatural approach to colors than attributes.
 
-It is possible to fine-tune the list of attributes that are applied to a \type
+It is possible to fine|-|tune the list of attributes that are applied to a \type
 {hbox}, \type {vbox} or \type {vtop} by the use of the keyword \type {attr}. The
 \type {attr} keyword(s) should come before a \type {to} or \type {spread}, if
 that is also specified. An example is:
@@ -392,6 +393,13 @@ indexing the node (here we do that with \type {[a]}). Running this snippet gives
 Because some values are not set we need to apply the \type {tostring} function
 here so that we get the word \type {nil}.
 
+A special kind of box is \prm {vcenter}. This one also can have attributes. When
+one or more are set these plus the currently set attributes are bound to the
+resulting box. In regular \TEX\ these centered boxes are only permitted in math
+mode, but in \LUAMETATEX\ there is no error message and the box the height and
+depth are equally divided. Of course in text mode there is no math axis related
+offset applied.
+
 \stopsubsection
 
 \stopsection
@@ -1651,7 +1659,7 @@ difference. Watch your spaces.
 
 \stopsubsection
 
-\startsubsection[title={Controling parshapes with \lpr {shapemode}}]
+\startsubsection[title={Controlling parshapes with \lpr {shapemode}}]
 
 Another adaptation to the \ALEPH\ directional model is control over shapes driven
 by \prm {hangindent} and \prm {parshape}. This is controlled by a new parameter
diff --git a/doc/context/sources/general/manuals/luametatex/luametatex-metapost.tex b/doc/context/sources/general/manuals/luametatex/luametatex-metapost.tex
index 85dc30036..1da447fef 100644
--- a/doc/context/sources/general/manuals/luametatex/luametatex-metapost.tex
+++ b/doc/context/sources/general/manuals/luametatex/luametatex-metapost.tex
@@ -34,26 +34,28 @@ This creates the \type {mp} instance object. The argument is a hash table that
 can have a number of different fields, as follows:
 
 \starttabulate[|l|l|pl|pl|]
-\DB name               \BC type     \BC description              \BC default           \NC \NR
+\DB name               \BC type     \BC description                \BC default           \NC \NR
 \TB
-\NC \type{error_line}  \NC number   \NC error line width         \NC 79                \NC \NR
-\NC \type{print_line}  \NC number   \NC line length in ps output \NC 100               \NC \NR
-\NC \type{random_seed} \NC number   \NC the initial random seed  \NC variable          \NC \NR
+\NC \type{error_line}  \NC number   \NC error line width           \NC 79                \NC \NR
+\NC \type{print_line}  \NC number   \NC line length in ps output   \NC 100               \NC \NR
+\NC \type{random_seed} \NC number   \NC the initial random seed    \NC variable          \NC \NR
 \NC \type{math_mode}   \NC string   \NC the number system to use:
                                         \type {scaled},
                                         \type {double} or
                                       % \type {binary} or
-                                        \type {decimal}          \NC \type {scaled}    \NC \NR
+                                        \type {decimal}            \NC \type {scaled}    \NC \NR
 \NC \type{interaction} \NC string   \NC the interaction mode:
                                         \type {batch},
                                         \type {nonstop},
                                         \type {scroll} or
-                                        \type {errorstop}        \NC \type {errorstop} \NC \NR
-\NC \type{job_name}    \NC string   \NC a compatibility value    \NC \type {mpout}     \NC \NR
-\NC \type{find_file}   \NC function \NC a function to find files \NC only local files  \NC \NR
-\NC \type{utf8}        \NC boolean  \NC permit characters in the
+                                        \type {errorstop}          \NC \type {errorstop} \NC \NR
+\NC \type{job_name}    \NC string   \NC a compatibility value      \NC \type {mpout}     \NC \NR
+\NC \type{find_file}   \NC function \NC a function to find files   \NC only local files  \NC \NR
+\NC \type{utf8_mode}   \NC boolean  \NC permit characters in the
                                         range 128 upto 255 to be
-                                        part of names            \NC \type {false}     \NC \NR
+                                        part of names              \NC \type {false}     \NC \NR
+\NC \type{text_mode}   \NC boolean  \NC permit characters 2 and 3
+                                        as fencing string literals \NC \type {false}     \NC \NR
 \LL
 \stoptabulate