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Index: X

-x option: 2.3.2. Absolute Coordinates (Mastering Perl/Tk)

9.18. Rendering the Canvas as PostScript (Mastering Perl/Tk)

-xrm option: 16.1. Using the Command Line (Mastering Perl/Tk)

16.1.4. Option Database Lookups (Mastering Perl/Tk)

-xscrollincrement option: 9.5.2. Additional Scrolling Options (Mastering Perl/Tk)

9.5.3. Canvas Widget Option List (Mastering Perl/Tk)

x= (assignment) operator: 3.17. Assignment Operators (Programming Perl)

4.5.6. Assignment Operators (Perl in a Nutshell)

x command (Perl debugger): 11.11.2. Solution (Perl Cookbook)

6.2. Debugger Commands (Perl in a Nutshell)

X11 considerations: 14.3.6. Subroutine ConfigSpecs (Mastering Perl/Tk)

16. User Customization (Mastering Perl/Tk)

-x (executable by effective uid/gid) file test: 3.10. Named Unary and File Test Operators (Programming Perl)

-X (executable by real uid/gid) file test: 3.10. Named Unary and File Test Operators (Programming Perl)

-x (extract program) command-line switch: 19.1. Command Processing (Programming Perl)

19.1.3. Switches (Programming Perl)

-X file test operator: 4.5.8. File Test Operators (Perl in a Nutshell)

x (grid geometry manager placeholder): 21.2.2. The grid Geometry Manager (Perl in a Nutshell)

X-headers (news articles): 17.1. The NNTP Protocol (Perl in a Nutshell)

X identifier: 13.11.5. Color Type (Mastering Perl/Tk)

X Logical Font Descriptions (XLFD): 3.2. Dissecting a Font (Mastering Perl/Tk)

x method: 13.10.2. Coordinates Relative to the Parent (Mastering Perl/Tk)

x operator: 2.14.3. Discussion (Perl Cookbook)

1.5.2. String Operators (Programming Perl)

-X operators: 9.0. Introduction (Perl Cookbook)

-x option (place geometry manager): 21.2.3. The place Geometry Manager (Perl in a Nutshell)

/x pattern modifier: 5.2.1. Pattern Modifiers (Programming Perl)

5.2.1. Pattern Modifiers (Programming Perl)
5.2.2. The m// Operator (Matching) (Programming Perl)
5.2.3. The s/// Operator (Substitution) (Programming Perl)

x pattern match modifier: 4.6.1. Pattern-Matching Operators (Perl in a Nutshell)

4.6.8. Extended Regular Expressions (Perl in a Nutshell)

x (repetition operator): 1.5.2. String Operators (Programming Perl)

X selection: 7.3.1. Operating System Differences (Mastering Perl/Tk)

x (special character): 2.1.1. Options for pack (Mastering Perl/Tk)

2.2.1. Special Characters (Mastering Perl/Tk)
2.2.1.2. Empty cells (Mastering Perl/Tk)

x string repetition: 2.3.3. String Operators (Learning Perl)

6.5.1. Arrays and printf (Learning Perl)

x (string repetition) operator: 4.5.11.4. String operator (Perl in a Nutshell)

/x substitution modifier: 1.8.3. Discussion (Perl Cookbook)

comments in regular expressions: 6.4.3. Discussion (Perl Cookbook)

-X (warning disabling) command-line switch: 19.1.3. Switches (Programming Perl)

\X wildcard metasymbol: 5.3.3. Wildcard Metasymbols (Programming Perl)

X Window System

-exportselection option and: 8.2. Text Widget Options (Mastering Perl/Tk)
fonts available: 3. Fonts (Mastering Perl/Tk)
iconifying applications under: 11.3. Options (Mastering Perl/Tk)
iconname method and: 11.3. Options (Mastering Perl/Tk)
iconposition method and: 11.3. Options (Mastering Perl/Tk)
Perl/Tk roots in: 1.2.1. The X Window System and Xlib (Mastering Perl/Tk)
resource database and: 16. User Customization (Mastering Perl/Tk)
virtual desktops and: 13.10.4. Virtual Desktop Coordinates (Mastering Perl/Tk)

"The X Window User HOWTO" (Brigleb): 3.2. Dissecting a Font (Mastering Perl/Tk)

\x{263a} (wide hexadecimal value) sequence: 4.6.3. Escaped Sequences (Perl in a Nutshell)

xauth authentication: 20.1. Security and Inter-Language Considerations (Mastering Perl/Tk)

20.1. Security and Inter-Language Considerations (Mastering Perl/Tk)

Xauthority file: 20.1. Security and Inter-Language Considerations (Mastering Perl/Tk)

XBM files: 17.1. An Overview of Perl/Tk Image Types (Mastering Perl/Tk)

23.2.1. Creating Your Own Custom Cursor Shape (Mastering Perl/Tk)

.Xdefaults file: 13.1.1. The configure Method (Mastering Perl/Tk)

14.3.5. Subroutine Populate (Mastering Perl/Tk)
16.2. Using the Option Database (Mastering Perl/Tk)

XEvent method: 15.2.2. The Event Structure (Mastering Perl/Tk)

\x7f (hexadecimal value) sequence: 4.6.3. Escaped Sequences (Perl in a Nutshell)

xgtitle( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)

xhdr command (NNTP): 17.1. The NNTP Protocol (Perl in a Nutshell)

17.2.2. Net::NNTP Reference (Perl in a Nutshell)

xhost authentication: 20.1. Security and Inter-Language Considerations (Mastering Perl/Tk)

XHTML files, processing with DOM: 7.3. XML::DOM (Perl & XML)

Xlib library: 1.2.1. The X Window System and Xlib (Mastering Perl/Tk)

XML (Extensible Markup Language): 13. XML and Perl (Perl in a Nutshell)

2. An XML Recap (Perl & XML)
basics: 3. XML Basics: Reading and Writing (Perl & XML)
declarations: 2.7. The XML Declaration (Perl & XML)
entities: 2.5. Entities (Perl & XML)
history of: 2. An XML Recap (Perl & XML)
namespaces: 2.3. Namespaces (Perl & XML)
Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
Perl, using with: 1.1. Why Use Perl with XML? (Perl & XML)
problems with: 1.6. XML Gotchas (Perl & XML)
programming tools: 9.3. XML Programming Tools (Perl & XML)
SOAP, and: 14.1. What Is SOAP? (Perl in a Nutshell)
spacing for: 2.4. Spacing (Perl & XML)
transformations in: 2.12. Transformations (Perl & XML)

XML-RPC: 1.1.3. Web Services (Perl & LWP)

XML Schema: 2.11. Schemas (Perl & XML)

XML Style Language: Transformations (see XSLT)

XML Stylesheet Language for Transformations (XSLT): 2.12. Transformations (Perl & XML)

xmlDecl( ) Writer method: 3.8. XML::Writer (Perl & XML)

XMLDecl handler (Expat): 13.3. Expat Handlers (Perl in a Nutshell)

xml_decl method for PerlSAX DTD handlers: 5.2. DTD Handlers (Perl & XML)

XML::DOM module: 7.1. DOM and Perl (Perl & XML)

7.3. XML::DOM (Perl & XML)

XML::Generator::DBI module: 9.3.1. XML::Generator::DBI (Perl & XML)

XML::Grove module: 6.6. XML::Grove (Perl & XML)

XML::Handler::Subs module: 5.5. A Handler Base Class (Perl & XML)

XML::Handler::YAWriter module: 5.6. XML::Handler::YAWriter as a Base Handler Class (Perl & XML)

9.3.1. XML::Generator::DBI (Perl & XML)

XMLin( ): 13.1. XML Parsing and Validation (Perl in a Nutshell)

1.2. XML Is Simple with XML::Simple (Perl & XML)
6.2. XML::Simple (Perl & XML)

XML::LibXML module: 3.5. XML::LibXML (Perl & XML)

7.1. DOM and Perl (Perl & XML)
7.4. XML::LibXML (Perl & XML)
8.2. XPath (Perl & XML)

XMLout( ) subroutine: 1.2. XML Is Simple with XML::Simple (Perl & XML)

XML::Parser: 13.1. XML Parsing and Validation (Perl in a Nutshell)

methods: 13.2. XML::Parser Methods (Perl in a Nutshell)
styles: 13.4. XML::Parser Styles (Perl in a Nutshell)
1.3. XML Processors (Perl & XML)
3.2. XML::Parser (Perl & XML)
character encodings and: 3.9.3. Other Encodings (Perl & XML)
event streams and: 4.6. XML::Parser (Perl & XML)
styles for: 3.2.2. Parsing Styles (Perl & XML)
tree mode: 6.3. XML::Parser's Tree Mode (Perl & XML)
using parsers: 3.4. Putting Parsers to Work (Perl & XML)
well-formed checkers, writing: 3.2.1. Example: Well-Formedness Checker Revisited (Perl & XML)
XML::RSS module and: 9.2.2.2. Inheriting from XML::Parser (Perl & XML)

XML::Parser::ContentModel methods: 13.6. XML::Parser::ContentModel Methods (Perl in a Nutshell)

XML::Parser::Expat module: 3.2. XML::Parser (Perl & XML)

XML::Parser::PerlSAX module: 5.2. DTD Handlers (Perl & XML)

XML::PYX module: 4.5. XML::PYX (Perl & XML)

XML::RSS module: 9.2. XML::RSS (Perl & XML)

input, user and file: 9.2.4. Input: User or File (Perl & XML)
object model: 9.2.3. The Object Model (Perl & XML)
output and: 9.2.5. Off-the-Cuff Output (Perl & XML)
parsing: 9.2.2.1. Parsing (Perl & XML)
using: 9.2.2. Using XML::RSS (Perl & XML)

XML::SAX module: 3.4. Putting Parsers to Work (Perl & XML)

5.7. XML::SAX: The Second Generation (Perl & XML)
handlers for: 5.7.2. SAX2 Handler Interface (Perl & XML)

XML::SAXDriver::Excel module: 5.4. Drivers for Non-XML Sources (Perl & XML)

XML::SAX::ParserFactory module: 5.7. XML::SAX: The Second Generation (Perl & XML)

XML::Schematron modules: 3.7.2. Schemas (Perl & XML)

XML::Simple: 13.1. XML Parsing and Validation (Perl in a Nutshell)

1.2. XML Is Simple with XML::Simple (Perl & XML)
6.2. XML::Simple (Perl & XML)

XML::SimpleObject module: 6.4. XML::SimpleObject (Perl & XML)

XML::TreeBuilder module: 6.5. XML::TreeBuilder (Perl & XML)

XML::Writer module: 3.8. XML::Writer (Perl & XML)

XML::XPath module: 3.6. XML::XPath (Perl & XML)

8.2. XPath (Perl & XML)

XOR (^) operator, bitwise: 4.5.10. Bitwise Operators (Perl in a Nutshell)

xor logical operator: 3.13. Bitwise Operators (Programming Perl)

3.20. Logical and, or, not, and xor (Programming Perl)
10.9.3. Control Structures Using Partial-Evaluation Operators (Learning Perl)

xover( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)

xpat( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)

17.1. The NNTP Protocol (Perl in a Nutshell)

XPath: 3.6. XML::XPath (Perl & XML)

8.2. XPath (Perl & XML)

xpath( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)

XPM files: 17.1. An Overview of Perl/Tk Image Types (Mastering Perl/Tk)

17.7.3.1. What you see is not always what you get (Mastering Perl/Tk)

Xref backend (Perl compiler): 3.4. The Perl Compiler (Perl in a Nutshell)

xrover( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)

XS interface: 12.8.3. Discussion (Perl Cookbook)

12.15.3. Discussion (Perl Cookbook)

XS language

code, portability of: 25.6. External Subroutines (XS) (Programming Perl)
debugging tools for: 32.1.13. Perl Language Extensions and Internals (Programming Perl)
external subroutines, wrapping: 21.3. Extending Perl (Using C from Perl) (Programming Perl)
functions, mapping between C and Perl: 21.3.1. XS and XSUBs (Programming Perl)

XS library: 3.2. XML::Parser (Perl & XML)

XS_constant function (ExtUtils::Constant module): 8.69. ExtUtils::Constant (Perl in a Nutshell)

-xscrollcommand option: 21.3. Common Widget Configuration Options (Perl in a Nutshell)

Canvas widgets and: 9.5.2. Additional Scrolling Options (Mastering Perl/Tk)

9.5.3. Canvas Widget Option List (Mastering Perl/Tk)

Entry widgets and: 5.2.2. Entry Options (Mastering Perl/Tk)

Listbox widgets and: 7.2. Listbox Options (Mastering Perl/Tk)

Scrollbar widget: 21.1.2.2. The Scrollbar widget (Perl in a Nutshell)

Scrollbars and: 5.2.10. Using a Scrollbar (Mastering Perl/Tk)

6.3.1. Creating a Scrollbar Widget (Mastering Perl/Tk)

Text widgets and: 8.2. Text Widget Options (Mastering Perl/Tk)

-xscrollincrement option (Canvas): 21.12. The Canvas Widget (Perl in a Nutshell)

XSLoader module: 32.1.17. Module Installation Support (Programming Perl)

XSLT (XML Stylesheet Language for Transformations): 2.12. Transformations (Perl & XML)

8.3. XSLT (Perl & XML)
converting XML to HTML: 10.3. Converting XML to HTML with XSLT (Perl & XML)

XS::Typemap module: 8.234. XS::Typemap (Perl in a Nutshell)

xsubpp compiler: 21.3.1. XS and XSUBs (Programming Perl)

XSUBs: 21.3. Extending Perl (Using C from Perl) (Programming Perl)

21.3.1. XS and XSUBs (Programming Perl)
(see also XS)
21.2.2. Square.xs (Mastering Perl/Tk)
input and output: 21.3.3. XSUB Input and Output (Programming Perl)
wrapping subroutines for Perl: 21.3. Extending Perl (Using C from Perl) (Programming Perl)

$XS_VERSION: 23.1.3. Optionally Exported Symbols (Mastering Perl/Tk)

xview( )

Canvas widget: 21.12.3. Canvas Methods (Perl in a Nutshell)

Entry widget: 21.8.2. Entry Methods (Perl in a Nutshell)

Listbox widget: 21.10.2. Listbox Methods (Perl in a Nutshell)

Text widget: 21.11.2. Text Methods (Perl in a Nutshell)

Entry widgets and: 5.1.2. Label Options (Mastering Perl/Tk)

Listbox scrolling and: 7.17. Scrolling Methods (Mastering Perl/Tk)

Scrollbars and: 6.1. Defining Scrollbar Parts (Mastering Perl/Tk)

6.3.8. How the Scrollbar Communicates with Other Widgets (Mastering Perl/Tk)
9.5.3. Canvas Widget Option List (Mastering Perl/Tk)

Text widgets and: 8.15. Scrolling (Mastering Perl/Tk)

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