The real name of the struct in Lua 5.1 is luaL_Reg. Lua 5.1 contains a define for compatibility, but it is not present in LuaJIT or later 5.x releases. You can view, comment on, or merge this pull request online at:
https://github.com/geany/geany-plugins/pull/1231
-- Commit Summary --
* GeanyLua: Use luaL_Reg instead of luaL_reg
-- File Changes --
M geanylua/glspi_app.c (2) M geanylua/glspi_dlg.c (2) M geanylua/glspi_doc.c (2) M geanylua/glspi_init.c (2) M geanylua/glspi_kfile.c (2) M geanylua/glspi_run.c (2) M geanylua/glspi_sci.c (2) M geanylua/gsdlg_lua.c (2)
-- Patch Links --
https://github.com/geany/geany-plugins/pull/1231.patch https://github.com/geany/geany-plugins/pull/1231.diff