Use headings and some rewording

required/graphics/README.md

@@ -14,32 +14,32 @@ in LaTeX documents.
 
 ### THIS DIRECTORY CONTAINS 
 
-| | Support files | 
-| --- | :--- |
+#### Support files 
+
 | README.md      | This file |
 | changes.txt    | Log of changes to the packages |
 | graphics.ins   | Install file for docstrip |
 
-| | Standard packages | 
-| --- | :--- |
+#### Basic packages
+
 |color.dtx      | Source for color package |
 |graphics.dtx   | Source for graphics package |
 |trig.dtx       | Source for trig package (required by graphics) |
 
-| | Non Standard Packages |
-| --- | :--- |
+#### Extension Packages
+
 |graphicx.dtx   | Source for graphicx package (extension of graphics) |
 |epsfig.dtx     | Source for epsfig package (extension of graphicx) |
 |rotating.dtx   | Source for rotating package (extension of graphicx) |
 |keyval.dtx     | Source for keyval pacakge (required by both the above) |
 |lscape.sty     | Produce landscape pages in a (mainly) portrait document |
 
-| | Driver Files |
-| --- | :--- |
+#### Driver Files
+
 |drivers.dtx    | Source for driver files for supported drivers |
 
-| | User Documentation |
-| --- | :--- |
+#### User Documentation
+
 |grfguide.tex   | User Guide to all the packages in this bundle |
 |               | **WARNING:** *This file calls color and graphics packages without a driver option.  You **must** therefore set up two files `color.cfg` and `graphics.cfg` containing (for example) `\ExecuteOptions{dvips}` before running this file.* |
 |rotex.tex      | Examples of use of rotating package |