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-1. Facilitating <fo:block span="all">
-FOTEX.XMT
-in \XMLelement{fo:block}: detect the span="all" attribute and if so, end
-multicol layout before (if present), and resume multicol layout (if there
-was one) after.
-FOTEX.STY
-new user-interface macros for loading nomulticols.sty if present, otherwise
-resorting to multicols, if present, otherwise defining a fake multicols
-environment. If nomulticols could not be loaded, care is taken that fo:block
-span="all" is disabled, otherwise the TeX run will fail.
-In \@outputpage, call refreshmulticols, which will possibly refresh the
-multicol layout.
-NOMULTICOL.STY
-new file, same functionality as MULTICOL.STY, but does not use an
-environment. With some extra macros to interrupt a multicolumnlayout. It is
-now possible to say
-
-begin multicol layout
- start group
- *1*
- start group
- end multicol layout *2*
- start group
- do something interesting
- end group
- begin multicol layout *4*
- end group
- *3*
- end group
-end multicol layout
-
-CAVEAT 1: a lot of assignments of nomulticol have been made global, may be
-too much. For example, if something is set at point *1*, it should be
-restored at point *3*, but if this thing is also set by nomulticol, it will
-undergo a global change at point *2* and/or *4*, and hence will not be
-restored by TeX's grouping mechanism anymore.
-So may be it is needed to carefully discriminate between counts, dimens,
-boxes, and macros that are particular to multicol (the should be treated
-wholly globally), and the (La)TeX-quantities that are dependent on them, and
-they might be set locally.
-
-CAVEAT 2: care must be taken that nomulticol interacts well with an other
-change by me: every time a page is output, a fresh page setup will be
-computed, if necessary. After this page setup, the multicol environment must
-be refreshed (if it was in force). But refreshing should not occur twice in
-a row for the same page. Although it seems that I have succeeded in
-preventing this double refreshment, I still wonder why it can occur at the
-first place.
-2. Facilitating multiple special pages
-XSL-FO facilitates the specification of a sequence of special pages before
-an unbounded, repeating page sequence starts.
-PassiveTeX only allowed one special page, labelled First. I allow for the
-definition of a sequence of such pages, labelled Lead<counter>. In \@output
-page a counter keeps track of which Lead page should be set up. A page setup
-will be done if necessary.
-This change interacts with multicol, see previous item.
-Note also, that blank pages, caused by explicit page-breaks of number
-continuating properties, will be detected as blank pages, and hence react to
-the blank-or-not-blank attribute.
-3. Implementation of xsl-footnote-separator
-A rather crude implementation, by storing the static content of
-xsl-footnote-separator in the macro \footnoterule, and adjusting the
-\skip\footins too match the height+ depth of the new \footnoterule.
-4. Enabling footnotes in tables
-Footnotes in tables work. This is done by saving footnotes insides tables
-into a tokenlist \BoxedFootnotes, doing the corresponding \insert-s at the
-end of the table.
-
-CAVEAT: this is not reallly a nice implementation: if the table breaks
-across pages, the footnotetexts will not appear on the same page as the
-footnotemarks.
-5. Vertical align in tables
-If I work with an explicit line-height, the vertical space allocation for
-the first and last row of a table comes out wrong. Also, when there is a
-line-break inside a cell, the cell-height comes out too small. Something
-gets discarded. I have made some changes to the interlineskip (following the
-TeXBook definition of \offinterlineskip), in order to fix this, but I have
-not succeeded completely.
-6. Inheriting table-cell properties from table-column
-According to XSL-FO table-cells my inherit properties from corresponding
-table-columns by using
-att-x="from-column(att-x)"
-PassiveTeX only implements inheritance of column-width and column-number,
-without the need to use from-column("column-width").
-I have made only an adhoc improvement: text-align will be inherited from the
-column, and it happens automatically, without using from-column(text-align).
-I have done this with the Array implementation, used for column-width and
-column-number. More properties can added easily. It should not be too
-difficult to implement from-column(att-x) for a fixed set of attributes, but
-implementing this for all possible attributes is more difficult.
-7. vskip vs kern
-In the code for typesetting blocks, I have changed some vskips in kern,
-because I trust the kern better than te vskip (kerns will not be discarded,
-vskips might be, and I am not completely sure about the conditions).
-8. Bug in FOBoxedBlock
-There is some weird code at the start of \FOBoxedBlock (see comments in
-fotex.sty at that point).
-I have also added some \relax calls after assignments to be sure that the
-text after \fi etc is not gobbled up by the preceding assignment.
-9. Percenttests
-I have increased the use of percented attribute values. Also, \percenttest
-was not always able to see the % character, because it was still unexpanded
-when fed to it. I have changed that, so that any percent in the
-attributetext is surely expanded to a % with catcode 12 before being fed to
-percenttest.
-(Mostly % appears as an active char, and by means of a limitied-scope
-definition of % to be % with catcode 12, this case will be brought to meet
-the assumption).
-10. Overline
-I have added the overline formatting for inlines, but not nearly as nice as
-the underline of ulem.sty. I just needed it in simple cases, so I took the
-easy option.
-11. Pagenumber filtering
-The algorithm to filter page number sequences generated by indexes (a very
-nice feature of passivetex, by the way), had a few obvious mistakes. I have
-corrected them.
-12. Horizontal alignment
-There were still some problems with alignment, I made some corrections to
-\FOOutputblock in fotex.sty.
-See also mlnames.sty, definition of \Q@end
-13 Page breaks
-In \FONormalBlcok I found that a \penalty -\@M did not generate a page
-break, so I changed it to \newpage (a few times). (see also changes in
-\FOEndBlockTwo
-14 Sub- Superscript
-PassiveTeX adjusted the fontsize of sub/superscripts, but this should be
-governed by the fo-tree.
-So I adjusted \textsub/superscript in fotex.sty
-15 Dimensions of the page
-Page dimensions now work additive, more according to the XSL-FO spec.
-16 attribute="inherit"
-Now the inherit mechanism can also be triggered by the explicit value of
-"inherit". This was achieved by redefining a macro of xmltex: \XML@attrib@x
-(in fotex.xmt)
-17. fo:external-graphic
-scale-to-fit behaviour modified: scaled to the local container instead of
-the page (hsize, vsize instead of linewidth, textheight)
-18. fo:leader implemetation improved
-The code for fo:leader in xmt has been improved
-19. fo-retrieve-marker
-Some trivial improvements in the code of fo:retrieve-marker
-20. More unicode characters
-Added definitions for unicode &#x2000; and &#x2001 (em and n squares) in
-ucharacters.sty
-A. Nested fo:block in fo:table-cell
-Something goes wrong with <fo:table-cell><fo:block><fo:block>.
-The count \FOinTable records whether we are inside a table. But I think that
-it should also record wheter we are immediately below a <fo:table-cell> or
-deeper. But I have not found out what to do in the latter case ...
-