Lunatic: rename test.elua to test.lua.

The old extension is an artifact from when I was thought that extensions
should label whether a Lunatic module is to be used in internal/external
contexts.
Also, change test.lua slightly and commit a little updated documentation.

git-svn-id: https://svn.eduke32.com/eduke32@3969 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/source/lunatic/doc/lunacon.txt

@@ -64,9 +64,10 @@ The stand-alone LunaCON script, `lunacon.lua`, needs {LuaJIT}[LuaJIT] for
 execution and {LPeg}[LPeg] as additional dependency.footnote:[In order to
 translate some very large CON files, minor modifications have to be made to
 LuaJIT and LPeg. Refer to `lunatic/doc/how_to_build_lunatic.txt` in the EDuke32
-source distribution for details.] It expects one or more names of root CON
-files together with any number of options, in any order (arguments starting
-with a dash are always interpreted as the latter).
+source distribution for details.] The script also requires `con_lang.lua` to be
+present. It expects one or more names of root CON files together with any
+number of options, in any order (arguments starting with a dash are always
+interpreted as the latter).
 
 .Example usage
 ----------
@@ -153,10 +154,12 @@ set the output behavior of the stand-alone translator, or toggle various error
 conditions.
 
 `-fno` (stand-alone only)::
-Disable printing out the generated code and any diagnostic messages.
+Disable printing out the generated code and validating its syntax.
 
 `-fno=onlycheck` (stand-alone only)::
-Disable printing out the generated code, keeping only the diagnostics.
+Disable printing out the generated code, but validate whether it is
+syntactically legal Lua code. A failure of this check represents a bug with
+LunaCON itself.
 
 `-ferror-nostate` (default: on)::
 If enabled, an attempt to call a `state` that was not previously defined

polymer/eduke32/source/lunatic/doc/lunatic.txt

@@ -1004,7 +1004,7 @@ thought to be overlaid with a structure containing as many members as the array
 has elements, all having the element's type.
 
 Currently, there are with two kinds of names: weapon names and inventory
-names. In the following, they will be marked using a the following notation:
+names. They will be marked using notation like this:
 
 ==========
 _`i16`_ +ammo_amount[_weapon_]+
@@ -1042,7 +1042,7 @@ velocity is multiplied before calculating its new position. On various
 occasions, the ultimate scaled factor is the difference of `runspeed` and at
 most 8192.
 
-_`i8`_ `curr_weapon`::
+`curr_weapon`::
 The index of the player's currently selected weapon.
 
 
@@ -1058,7 +1058,7 @@ The first argument `fadefrac` specifies the starting blending coefficient; `r`,
 components, respectively.
 +
 Both `fadefrac` and the component intensities are first clamped to the range
-[0.0 .. 1.0]. The resulting values are interpreted as a fraction, 0.0 meaning
+[0.0 .. 1.0]. The resulting values are interpreted as a proportion, 0.0 meaning
 no blending/no color and 1.0 meaning full blending/full
 color.footnote:[Currently, for implementation reasons, a value of 1.0 results
 in only _almost_ full blending or presence of the specified color component.]

polymer/eduke32/source/lunatic/test.lua

@@ -277,8 +277,12 @@ gameevent
         -- Test of INTERNAL member _pals.
         -- NOTE: setting colors partially is bad! E.g. after an item is
         -- picked up, col[0] and col[1] remain and tint everything greenish.
-        ps._pals[2] = 20
-        ps._pals.f = 30
+        if (DBG_ ~= nil) then
+            -- XXX (unrelated to these lines): issuing tinting makes it flicker
+            -- sometimes in the GL modes.
+            ps._pals[2] = 20
+            ps._pals.f = 30
+        end
     end
 }