docs: add CUSTOM_ID properties to all org-mode sections

diff --git a/doc/index.org b/doc/index.org
index ceec8bc..fca48f6 100644 (file)
--- a/doc/index.org
+++ b/doc/index.org
@@ -13,6 +13,7 @@
 
 * Overview
 :PROPERTIES:
+:CUSTOM_ID: overview
 :ID:       fef7ebc3-0f00-4b82-a926-c0cfdf709762
 :END:
 
@@ -41,6 +42,7 @@ See also: [[https://www3.svjatoslav.eu/projects/cli-helper/apidocs/][CLI Helper
 
 * User input helper
 :PROPERTIES:
+:CUSTOM_ID: user-input-helper
 :ID:       4fca35e4-fdf1-4675-a36f-6206d6fb72cb
 :END:
 
@@ -71,6 +73,9 @@ public class Demo {
 See [[https://www3.svjatoslav.eu/projects/cli-helper/apidocs/eu/svjatoslav/commons/cli_helper/CLIHelper.html][Javadoc]] for complete API reference.
 
 ** Interactive Menu Selection
+:PROPERTIES:
+:CUSTOM_ID: interactive-menu-selection
+:END:
 
 The =Menu= class provides an interactive menu for selecting options
 from a list using fuzzy matching and cursor keys. It supports
@@ -110,12 +115,16 @@ In this example, the user is presented with a menu where they can:
 
 * CLI argument helper
 :PROPERTIES:
+:CUSTOM_ID: cli-argument-helper
 :ID:       eb7d5632-6152-4d37-8e55-1cf4da21c204
 :END:
 
 See also: [[https://clig.dev/][Command Line Interface Guidelines]].
 
 ** Command and argument
+:PROPERTIES:
+:CUSTOM_ID: command-and-argument
+:END:
 
 Every command-line application has a way of receiving input from
 users, usually in the form of command-line arguments. A command-line
@@ -175,6 +184,9 @@ For instance, in our example:
 - 'vid1.mp4 vid2.mp4 vid3.mp4' are parameters for the *--input* option.
 - '5' is a parameter for the *--quality* option.
 * Getting the library
+:PROPERTIES:
+:CUSTOM_ID: getting-the-library
+:END:
 Follow instructions to embed *cli-helper* library in your project.
 
 Add following snippets to your project *pom.xml* file:
@@ -202,6 +214,9 @@ Add following snippets to your project *pom.xml* file:
 </repositories>
 #+END_SRC
 * Getting the source code
+:PROPERTIES:
+:CUSTOM_ID: getting-the-source-code
+:END:
 - This program is free software: released under Creative Commons Zero
   (CC0) license
 
@@ -213,6 +228,9 @@ Add following snippets to your project *pom.xml* file:
 - [[https://www.svjatoslav.eu/projects/][Other software projects hosted at svjatoslav.eu]]
 
 ** Source code
+:PROPERTIES:
+:CUSTOM_ID: source-code
+:END:
 - [[https://www2.svjatoslav.eu/gitweb/?p=cli-helper.git;a=snapshot;h=HEAD;sf=tgz][Download latest snapshot in TAR GZ format]]
 
 - [[https://www2.svjatoslav.eu/gitweb/?p=cli-helper.git;a=summary][Browse Git repository online]]
@@ -222,6 +240,9 @@ Add following snippets to your project *pom.xml* file:
 
 - See [[https://www3.svjatoslav.eu/projects/cli-helper/apidocs/][JavaDoc]]
 * TODO
+:PROPERTIES:
+:CUSTOM_ID: todo
+:END:
 
 List of improvement suggestions: