Add option to write out path data using only relative coordinates (in addition to using only absolute coordinates or using a mixture of absolute and relative coordinates optimized for length).

Allow shorthand paths

Super duper mega (fun!) commit: replaced encoding=utf-8 with fileencoding=utf-8 in all 1074 Vim modelines. The reason for this is that (a) setting the encoding isn't nice, and (b) Vim 7.3 (with modeline enabled) disallows it and pops up an error whenever you open any file with it ("invalid modeline"). Also corrected five deviant modestrings: * src/ui/widget/dock.cpp and src/ui/widget/dock.h: missing colon at the end * src/ui/dialog/tile.cpp: removed gratuitous second colon at the end * src/helper/units-test.h: removed gratuitous space before a colon * share/extensions/export_gimp_palette.py: missing textwidth=99 That's my geekiest commit yet.

Fixed signed/unsigned problem with precision calc. Fixes bug #399604.

Merge from trunk

From trunk

Fix for PathString to prevent it from getting into a very, very long copying run and make it use minimumexponent. Plus some extra tests.

enable writing "H/h" and "V/v" to SVG !

Partial fix (for preventing numerical issues) and restructuring for PathString, plus a small fix for the new 2geom sp_svg_write_curve.

Fix for PathString to eliminate use of sscanf (which is locale dependent).

PathString now makes sure that relative coordinates are based on rounded absolute coordinates (which allows for greater path data size reductions and makes sure that two identical coordinates will result in the same rounded coordinates).

Remove unused flag from PathString.

patch by Jasper for optimizing path data