[ocrfeeder] Add missing id parameter to <section> so yelp-check validates

[Andre Klapper <aklapper src gnome org>]

commit 6aa45b3297ab428d382559cf202c0eeded86d424
Author: Andre Klapper <a9016009 gmx de>
Date:   Tue Sep 26 16:47:47 2017 +0200

    Add missing id parameter to <section> so yelp-check validates

 help/C/projects.page |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/help/C/projects.page b/help/C/projects.page
index 17353b7..dc1ceb0 100644
--- a/help/C/projects.page
+++ b/help/C/projects.page
@@ -17,7 +17,7 @@ projects.</p>
 <p>Projects are compressed files with the <em>ocrf</em> extension
 which hold information about pages (images) and content areas.</p>
 
-<section>
+<section id="save">
 <title>Saving A Project</title>
 
 <p>After having done some work in an image, a project can be created
@@ -30,7 +30,7 @@ project's name and location is entered.</p>
 
 </section>
 
-<section>
+<section id="load">
 <title>Loading A Project</title>
 
 <p>An existing project can be loaded simply by clicking
@@ -39,7 +39,7 @@ project's name and location is entered.</p>
 
 </section>
 
-<section>
+<section id="append">
 <title>Appending A Project</title>
 
 <p>Sometimes it is useful to merge two or more projects in order to create
@@ -51,7 +51,7 @@ wanted project.</p>
 
 </section>
 
-<section>
+<section id="clear">
 <title>Clearing A Project</title>
 
 <p>If all the information is a project should be deleted (for example,