[LyX/2.3.x] po files: remerge again some files

commit 7d333c17a510fd17d06171ffe90786cf90e6b1dd Author: Uwe Stöhr Date: Sun Feb 4 15:33:50 2018 +0100 po files: remerge again some files I have seen that line numbers changed in the meantime, therefore help the translators whose files are not yet 100%

[LyX/master] ar.po: updates from Hatim

commit 9399f29b326447797a7455a72a94ff561f9b5cab Author: Uwe Stöhr Date: Sun Feb 4 15:34:47 2018 +0100 ar.po: updates from Hatim po/ar.po | 5724 +- 1 files changed, 3034 insertions(+), 2690 deletions(-)

[LyX/master] Add newlines around \backslash in put_cmd_in_ert.

commit 2b451f01f50cf4f69200f2cd5ec646b1917156c1 Author: Günter Milde Date: Sun Feb 4 10:16:54 2018 +0100 Add newlines around \backslash in put_cmd_in_ert. Fix for 2fce4d49ee. --- lib/lyx2lyx/lyx2lyx_tools.py |2 +- lib/lyx2lyx/test_lyx2lyx_tools.py | 23

[LyX/2.3.x] ar.po: updates from Hatim

commit a812955d82b0413b92ee92127d11f882106ec021 Author: Uwe Stöhr Date: Sun Feb 4 15:23:36 2018 +0100 ar.po: updates from Hatim po/ar.po | 884 -- 1 files changed, 400 insertions(+), 484 deletions(-)

[LyX/2.3.x] ru.po: translations from Yuriy

commit 56f25c6f368ec3ccdd2b3409d46ae6ff04d58cf3 Author: Uwe Stöhr Date: Sun Feb 4 23:40:37 2018 +0100 ru.po: translations from Yuriy po/ru.po | 1520 -- 1 files changed, 778 insertions(+), 742 deletions(-)

[LyX/master] ru.po: translations from Yuriy

commit e80e7d84782a28f5a86a253b1f432725fb482771 Author: Uwe Stöhr Date: Sun Feb 4 23:41:17 2018 +0100 ru.po: translations from Yuriy po/ru.po | 772 -- 1 files changed, 394 insertions(+), 378 deletions(-)

[LyX/master] Use re.match to find regexp at begin of string/line.

commit 8caa9701b91ca47d1f2011ce1e2b1529b5085333 Author: Günter Milde Date: Sun Feb 4 10:08:07 2018 +0100 Use re.match to find regexp at begin of string/line. Consistently use the re.match() or the match() method of a regexp object to find a match at the begin of