str: New functions for checking for and removing string suffixes.

[pspp-builds.git] / doc / language.texi

diff --git a/doc/language.texi b/doc/language.texi
index 50e8f646aea4aaac7f3efc9955b78318d8d49a55..78d38acdc6f0813fe2e1666fa7ddfa8b5bb69c31 100644 (file)
--- a/doc/language.texi
+++ b/doc/language.texi
@@ -3,10 +3,6 @@
 @cindex language, PSPP
 @cindex PSPP, language
 
 @cindex language, PSPP
 @cindex PSPP, language
 

-@note{PSPP is not even close to completion.
-Only a few statistical procedures are implemented.  PSPP
-is a work in progress.}
-

 This chapter discusses elements common to many PSPP commands.
 Later chapters will describe individual commands in detail.
 
 This chapter discusses elements common to many PSPP commands.
 Later chapters will describe individual commands in detail.
 


@@ -116,8 +112,7 @@ significant inside strings.
 
 Strings can be concatenated using @samp{+}, so that @samp{"a" + 'b' +
 'c'} is equivalent to @samp{'abc'}.  Concatenation is useful for
 
 Strings can be concatenated using @samp{+}, so that @samp{"a" + 'b' +
 'c'} is equivalent to @samp{'abc'}.  Concatenation is useful for

-splitting a single string across multiple source lines. The maximum
-length of a string, after concatenation, is 255 characters.
+splitting a single string across multiple source lines.

 
 Strings may also be expressed as hexadecimal, octal, or binary
 character values by prefixing the initial quote character by @samp{X},
 
 Strings may also be expressed as hexadecimal, octal, or binary
 character values by prefixing the initial quote character by @samp{X},


@@ -152,11 +147,6 @@ punctuator only as the last character on a line (except white space).
 When it is the last non-space character on a line, a period is not
 treated as part of another token, even if it would otherwise be part
 of, e.g.@:, an identifier or a floating-point number.
 When it is the last non-space character on a line, a period is not
 treated as part of another token, even if it would otherwise be part
 of, e.g.@:, an identifier or a floating-point number.

-
-Actually, the character that ends a command can be changed with
-@cmd{SET}'s ENDCMD subcommand (@pxref{SET}), but we do not recommend
-doing so.  Throughout the remainder of this manual we will assume that
-the default setting is in effect.

 @end table
 
 @node Commands
 @end table
 
 @node Commands


@@ -184,9 +174,7 @@ by a forward slash (@samp{/}).
 There are multiple ways to mark the end of a command.  The most common
 way is to end the last line of the command with a period (@samp{.}) as
 described in the previous section (@pxref{Tokens}).  A blank line, or
 There are multiple ways to mark the end of a command.  The most common
 way is to end the last line of the command with a period (@samp{.}) as
 described in the previous section (@pxref{Tokens}).  A blank line, or

-one that consists only of white space or comments, also ends a command
-by default, although you can use the NULLINE subcommand of @cmd{SET}
-to disable this feature (@pxref{SET}).
+one that consists only of white space or comments, also ends a command.

 
 @node Syntax Variants
 @section Variants of syntax.
 
 @node Syntax Variants
 @section Variants of syntax.


@@ -212,9 +200,9 @@ new command, which allows for visual indentation of a command without
 that command being considered part of the previous command. 
 The period terminating the end of a command is optional but recommended.
 
 that command being considered part of the previous command. 
 The period terminating the end of a command is optional but recommended.
 

-In interactive mode, each command must  either be terminated with a period,
-or an empty line must follow the command.
-The use of (@samp{+} and @samp{@minus{}} as continuation characters is not
+In interactive mode, each command must be terminated with a period
+or by a blank line.
+The use of @samp{+} and @samp{@minus{}} as continuation characters is not

 permitted.
 
 @node Types of Commands
 permitted.
 
 @node Types of Commands


@@ -379,9 +367,7 @@ spaces.
 Variables, whether numeric or string, can have designated
 @dfn{user-missing values}.  Every user-missing value is an actual value
 for that variable.  However, most of the time user-missing values are
 Variables, whether numeric or string, can have designated
 @dfn{user-missing values}.  Every user-missing value is an actual value
 for that variable.  However, most of the time user-missing values are

-treated in the same way as the system-missing value.  String variables
-that are wider than a certain width, usually 8 characters (depending on
-computer architecture), cannot have user-missing values.
+treated in the same way as the system-missing value.

 
 For more information on missing values, see the following sections:
 @ref{Variables}, @ref{MISSING VALUES}, @ref{Expressions}.  See also the
 
 For more information on missing values, see the following sections:
 @ref{Variables}, @ref{MISSING VALUES}, @ref{Expressions}.  See also the