.HL 1 Case information 
.INDEX Case information 
.note 
The following section explains how to change the case of the input text. 
If you have a terminal with a shift key you do not need to read this section. 
.end note 
Specification of case for files prepared on the terminal is done with two
characters, circumflex (_^), and back-slash (_\). The appearance of a
circumflex causes the letter immediately following to be transmitted in upper
case.  The appearance of a back-slash causes the letter immediately following
to be converted to lower case.  Any letter not preceeded by one of these
characters is transmitted in the current mode.  The mode is initially upper
case, and is changed by the occurrance of two successive case control
characters.  Two circumflexes (_^_^) cause the mode to be set to upper case,
and two back-slashes (_\_\) cause the mode to be set to lower case. 
.p
When the text is in upper case mode (_^_^) the text is printed exactly as you
typed it in.  This means that no case conversion occurrs.  If in lower case
mode (_\_\) all text is converted to lower case except where explicitly
specified as upper case by a single upper shift character (_^). 
.p 
The following shows the uses of the case control characters: 
.skip 1 
H_\_\ERE IS A _^SAMPLE _^SENTENCE IN _^_^UPPER CASE_\_\ AND 
LOWER CASE. 
.skip 1 
becomes: 
.skip 1 
Here is a Sample Sentence in UPPER CASE and lower case. 
.p 
An additional character, less-than (_<), capitalizes 
the entire word it precedes. It then returns the file to the 
current case.  This character is not engaged unless preceded by 
the FLAGS CAPITALIZE command. 
If the capitalization character is engaged, you may capitalize a whole 
section of text by inserting _^_< in front of the text and _^_^ 
after the text. 
Similarly to the lower case lock a single character may be forced to lower case 
rather than upper case by preceeding it with (_\). 
.s 
These case change control symbols always override the actual case of the 
input text and also the implied case of a command.  For example the 
command .HEADER LEVEL would normally produce a capitalized title for 
level number 1.  This may be changed by preceeding the title with _\_\ 
to force it to lower case.