Bug 808088

Running "publican update_po" results in PO files where all the strings are sorted by the msgid instead of being in the order of appearance in the original XML file.

The operation is also *much* slower than it used to be in Publican 2.x.

(This is with a git snapshot of 2012-03-27)

Additional info:
Versions of packages publican depends on:
ii  docbook-xml                                  4.5-7
ii  docbook-xsl                                  1.76.1+dfsg-1
ii  fop                                          1:1.0.dfsg2-6
ii  gettext                                      0.18.1.1-5
ii  libarchive-zip-perl                          1.30-6
ii  libconfig-simple-perl                        4.59-5
ii  libdatetime-format-dateparse-perl            0.05-1
ii  libdatetime-perl                             2:0.7300-1
ii  libdbd-sqlite3-perl                          1.35-1
ii  libdbi-perl                                  1.618-1
ii  libfile-copy-recursive-perl                  0.38-1
ii  libfile-find-rule-perl                       0.33-1
ii  libfile-inplace-perl                         0.20-1
ii  libfile-pushd-perl                           1.001-1
ii  libfile-which-perl                           1.09-1
ii  libhtml-format-perl                          2.10-1
ii  libhtml-formattext-withlinks-andtables-perl  0.01-1
ii  libhtml-formattext-withlinks-perl            0.14-1
ii  libhtml-template-perl                        2.10-1
ii  libhtml-tree-perl                            4.2-1
ii  libimage-size-perl                           3.230-1
ii  libio-string-perl                            1.08-2
ii  liblocale-maketext-gettext-perl              1.28-1
ii  liblocale-po-perl                            0.21-1
ii  libmakefile-parser-perl                      0.215-1
ii  librsvg2-bin                                 2.36.0-1
ii  libstring-similarity-perl                    1.04-1
ii  libsyntax-highlight-engine-kate-perl         0.05+dfsg-1
ii  libtemplate-perl                             2.22-0.1+b2
ii  libxml-libxml-perl                           1.95+dfsg-1
ii  libxml-libxslt-perl                          1.77-1
ii  libxml-simple-perl                           2.18-3
ii  libxml-treebuilder-perl                      4.0-1
ii  perl                                         5.14.2-9
ii  perlmagick                                   8:6.6.9.7-6