@@ -154,25 +154,35 @@ These changes to information units should be noted:
154154
155155 Description.
156156
157- * **New information unit **
157+ * **New information units **
158158
159- There is a new generic information unit called "describe" which can be used
160- to document things that are not covered by the other units::
159+ There are new generic information units: One is called "describe" and can be
160+ used to document things that are not covered by the other units::
161161
162162 .. describe:: a == b
163163
164164 The equals operator.
165165
166+ The others are::
167+
168+ .. cmdoption:: -O
169+
170+ Describes a command-line option.
171+
172+ .. envvar:: PYTHONINSPECT
173+
174+ Describes an environment variable.
175+
166176
167177Structure
168178---------
169179
170- The LaTeX docs were split in several toplevel manuals. Now, all files
171- are part of the same documentation tree, as indicated by the *toctree *
172- directives in the sources. Every * toctree * directive embeds other files
173- as subdocuments of the current file (this structure is not necessarily
174- mirrored in the filesystem layout). The toplevel file is
175- :file: `contents.rst `.
180+ The LaTeX docs were split in several toplevel manuals. Now, all files are part
181+ of the same documentation tree, as indicated by the *toctree * directives in the
182+ sources (though individual output formats may choose to split them up into parts
183+ again). Every * toctree * directive embeds other files as subdocuments of the
184+ current file (this structure is not necessarily mirrored in the filesystem
185+ layout). The toplevel file is :file: `contents.rst `.
176186
177187However, most of the old directory structure has been kept, with the
178188directories renamed as follows:
@@ -184,7 +194,7 @@ directories renamed as follows:
184194* :file: `inst ` -> :file: `installing `
185195* :file: `lib ` -> :file: `library `
186196* :file: `mac ` -> merged into :file: `library `, with :file: `mac/using.tex `
187- moved to :file: `howto/pythonmac .rst `
197+ moved to :file: `using/mac .rst `
188198* :file: `ref ` -> :file: `reference `
189199* :file: `tut ` -> :file: `tutorial `, with the single TeX file split up
190200
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