diff options
Diffstat (limited to 'luatexbase-modutils.dtx')
| -rw-r--r-- | luatexbase-modutils.dtx | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/luatexbase-modutils.dtx b/luatexbase-modutils.dtx index 9e1ebb5..95e4611 100644 --- a/luatexbase-modutils.dtx +++ b/luatexbase-modutils.dtx @@ -169,14 +169,12 @@ See source file '\inFileName' for details. % % \subsection{Lua functions} % -% The main functions are |luatexbase.require_module| and -% |luatexbase.use_module| which may be used as a replacement to |require()|. -% The only difference between these functions is, |require_module| accepts a -% second, optional argument in order to specify a minimal version. They do the -% same as |require()| but also make sure the module loaded correctly -% identifies itself with the name given, and its version is greater than the -% minimal version required. The version can be given either as a (floating -% point) number or as a date in YYYY/MM/DD format. +% The main function is |luatexbase.require_module| which may be used as a +% replacement to |require()|, but also checks that the module correctly +% identified itself, and accepts a second, optional argument containing +% version information to be checked against the similar information provided +% by the loaded module. The version can be given either as a (floating point) +% number or as a date in YYYY/MM/DD format. % % Modules identify themselves using |luatexbase.provides_module|, whose only % argument is a table with some information about the module. The mandatory @@ -466,7 +464,7 @@ local function warn(...) module_warning('luatexbase.modutils', ...) end % Load a module without version checking. % % \begin{macrocode} -function use_module(name) +local function use_module(name) require(name) if not modules[name] then warn("Module didn't properly identified itself: %s", name) @@ -479,7 +477,8 @@ end % \begin{macrocode} function require_module(name, version) if not version then - return use_module(name) + use_module(name) + return end luaversion = parse_version(version) if modules[name] then |