readme-files added

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+This ipelet helps when drawing graphs.  To install the ipelet, download [http://lamut.informatik.uni-wuerzburg.de/mediawiki/ipe7/images/6/62/Graph.lua graph.lua] and copy it to ~/.ipe/ipelets/ (or to some other directory for ipelets).  
+
+== Features ==
+
+The menu entry "toggle graph mode" turns a new graph editing mode on and off (by default it is on).
+The graph mode adds the feature that vertices of a graph can be moved such that the incident edges follow automatically.  
+At the moment this only works for vertices represented by marks.
+
+=== Moving Vertices ===
+
+Select a mark and press Ctrl+E to edit the position of the vertex.  Move the displayed cycle to a new position (changing its radius does not have any effect) and press the space key.  The mark moves to the new position and all endpoints of poly-lines and splines incident to the  previous position of the mark follow.
+
+There are two different modes.  Either, only visible edges or all edges on the current page are changed.  The menu entry "toggle move invisible"  switches between these two modes (by default only visible edges are changed).
+
+=== Shortening Edges ===
+
+Using the "shorten target/source/both" commands you can shorten edges by a specified distance.  This is useful if you have directed edges with arrowheads hiding under vertices (or vice versa).   Instead of shortening each of them by hand, you can select all of them and run the ipelet (at least if all vertices have the same size).
+
+== Compatibility ==
+
+=== Ipe Version ===
+
+I tested the ipelet with versions 7.0.14 and 7.1.2 of Ipe.
+
+=== Presentation Ipelet ===
+
+The graph iplet does not work together with the original version of the presentation ipelet.  I'm using a modified [http://lamut.informatik.uni-wuerzburg.de/mediawiki/ipe7/images/2/25/Presentation.lua presentation ipelet].
+
+== Changes ==
+
+; 8 November 2013: new mode that only changes edges that are currently visible; see "Moving Vertices" (previously, all edges on the current page were modified)
+; 7 May 2012: the Presentation Ipelet should now also work with Ipe 7.1.2
+; 29 April 2012: shortening edges should now work with version 7.1.2 of Ipe
+; 26 April 2012: first version of the Graph Ipelet online

diff --git a/ipelets/pagenumbers/readme.wiki b/ipelets/pagenumbers/readme.wiki
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+This ipelet provides some page numbering features that are not covered by the built in page numbering mechanism of Ipe.  To install the ipelet, download [http://lamut.informatik.uni-wuerzburg.de/mediawiki/ipe7/images/1/1b/Pagenumbers.lua pagenumbers.lua] and copy it to ~/.ipe/ipelets/ (or to some other directory for ipelets).
+
+== Usage ==
+
+To enable page numbering, add a layer with the name ''pagenumbers_format'' to the first page.  The text objects in that layer are copied to every page where every occurrence of the placeholder ''[page]'' is replaced by the current page.  This is done every time latex runs.
+
+=== Special Layers ===
+
+There are some layers with a special meaning.
+
+; ''pagenumbers_format'': On this layer the format for the page numbers is specified (see description above).  It is not necessary (and usually not desired) that this layer is visible.
+
+;''pagenumbers_page'': This layer contains the page number and is automatically created on every page.  To hide the page number on a specific page, just make this layer invisible.
+
+;''pagenumbers_dont_count'': If a page contains this layer, the page count is not increased for this page.
+
+== Example ==
+
+See the file [http://lamut.informatik.uni-wuerzburg.de/mediawiki/ipe7/images/4/45/Pagenumbers-example.ipe example.ipe] for an example.
+
+== Changes ==
+
+; 08 November 2013: first version of the pagenumbers ipelet online