-We maintain separate dictionaries for upper case (Upper), lower case
-(Lower), and (initial portions of) mid-phrase words (Word). At the
-beginning of each cell in the table, we expect uppercase; in the
-middle of a word we expect lowercase; and, unfortunately, after an
+We maintain separate dictionaries for the following types of glyph
+
+ Upper:
+ Upper case letters and ligatures starting with an
+ uppercase letter. Punctuation excluding `>'.
+ Lower:
+ Lower case letters and ligatures starting with a
+ lowercase letter.
+ Digit:
+ Digits and the greater than sign `>' (which can also
+ appear in the quantity field in the commodity display)
+ Word:
+ Words (or initial parts of words) which start with `l'
+ or `I'.
+
+When you add an entry, you should add it to the appropriate dictionary
+for its matching context. You can do this by selecting the
+appropriate radiobutton or by pressing one of letters U D L W (the
+initial letters of the contexts) after moving the cursor to the
+appropriate spot but before hitting `Return' to enter the text for the
+new entry.
+
+
+Note regarding `l' and `I'
+--------------------------
+
+At the beginning of each cell in the table, we expect uppercase; in
+the middle of a word we expect lowercase; and, unfortunately, after an