diff options
Diffstat (limited to 'Master/texmf-dist/source/latex/l3experimental/l3str/l3regex.dtx')
-rw-r--r-- | Master/texmf-dist/source/latex/l3experimental/l3str/l3regex.dtx | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3str/l3regex.dtx b/Master/texmf-dist/source/latex/l3experimental/l3str/l3regex.dtx index 182e09b4e51..d306b577aac 100644 --- a/Master/texmf-dist/source/latex/l3experimental/l3str/l3regex.dtx +++ b/Master/texmf-dist/source/latex/l3experimental/l3str/l3regex.dtx @@ -34,8 +34,22 @@ %% ----------------------------------------------------------------------- % %<*driver|package> -\RequirePackage{expl3} -\GetIdInfo$Id: l3regex.dtx 5218 2014-07-17 14:23:10Z bruno $ +% The version of expl3 required is tested as early as possible, as +% some really old versions do not define \ProvidesExplPackage. +\RequirePackage{expl3}[2014/08/25] +%<package>\@ifpackagelater{expl3}{2014/08/25} +%<package> {} +%<package> {% +%<package> \PackageError{l3regex}{Support package l3kernel too old} +%<package> {% +%<package> Please install an up to date version of l3kernel\MessageBreak +%<package> using your TeX package manager or from CTAN.\MessageBreak +%<package> \MessageBreak +%<package> Loading l3regex will abort!% +%<package> }% +%<package> \endinput +%<package> } +\GetIdInfo$Id: l3regex.dtx 5378 2014-08-25 10:59:48Z joseph $ {L3 Experimental regular expressions} %</driver|package> %<*driver> |