[gnome-sudoku/wip/piotrdrag/help-update] help: Minor editorial work

[Piotr Drąg <piotrdrag src gnome org>]

commit 5d9f84a8015a450114cadaa185c7701fddb61bd2
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Dec 5 02:15:05 2017 +0100

    help: Minor editorial work

 help/C/bug-filing.page         |    2 +-
 help/C/keyboard-shortcuts.page |    1 -
 help/C/rules.page              |    6 +++---
 help/C/strategy.page           |   12 ++++++------
 4 files changed, 10 insertions(+), 11 deletions(-)
---
diff --git a/help/C/bug-filing.page b/help/C/bug-filing.page
index e81cb6f..c3f64b5 100644
--- a/help/C/bug-filing.page
+++ b/help/C/bug-filing.page
@@ -24,7 +24,7 @@
    This is a bug tracking system where users and developers can file details about bugs, crashes and request 
enhancements.
    </p>
    <p>
-   To participate you need an account which will give you the ability to gain access, file bugs, and make 
comments.  Also, you need to register so you can receive updates by e-mail about the status of your bug. If 
you don't already have an account, just click on the <gui>New Account</gui> link to create one.
+   To participate you need an account which will give you the ability to gain access, file bugs, and make 
comments.  Also, you need to register so you can receive updates by e-mail about the status of your bug. If 
you don’t already have an account, just click on the <gui>New Account</gui> link to create one.
    </p>
 
   <p>Once you have an account, log in, click on <guiseq><gui>File a
diff --git a/help/C/keyboard-shortcuts.page b/help/C/keyboard-shortcuts.page
index 7e6ac8c..1f99541 100644
--- a/help/C/keyboard-shortcuts.page
+++ b/help/C/keyboard-shortcuts.page
@@ -65,5 +65,4 @@
                </tr>
        </table>
 </section>
-<!--/page-->
 </page>
diff --git a/help/C/rules.page b/help/C/rules.page
index 7d4aae0..79b0c47 100644
--- a/help/C/rules.page
+++ b/help/C/rules.page
@@ -18,16 +18,16 @@
   </info>
 
 <title>Game rules</title>
-<p>In order to complete the puzzle, you must fill each cell with a number between 1 and 9, inclusive, such 
that no number is repeated in any row, column or 3x3 box.
+<p>In order to complete the puzzle, you must fill each cell with a number between 1 and 9, inclusive, such 
that no number is repeated in any row, column or 3×3 box.
 </p>
 <p>
-In a solved sudoku, each row, column, and 3x3 box contains all the numbers 1 through 9.
+In a solved sudoku, each row, column, and 3×3 box contains all the numbers 1 through 9.
 </p>
 <p>
 Each puzzle has only one solution.</p>
 
 <figure>
-  <desc>Outline of a row, a column and a 3x3 box using highlighting option.</desc>
+  <desc>Outline of a row, a column and a 3×3 box using highlighting option.</desc>
   <media type="image" mime="image/png" src="figures/rowcolumnbox.png" width="400" its:translate="no"></media>
 </figure>
 </page>
diff --git a/help/C/strategy.page b/help/C/strategy.page
index 587c075..528c6e6 100644
--- a/help/C/strategy.page
+++ b/help/C/strategy.page
@@ -31,9 +31,9 @@
                   </p></note>
             </item>
            <item><p>Determine which numbers in the row are missing.</p></item>
-           <item><p>Choose one of the empty cells in this row. Determine which of the missing numbers are in 
that column or in that 3x3 box.</p></item>
-           <item><p> Using <link xref="notes">notes</link>, enter the missing numbers which are not in that 
column or 3x3 box, into the the upper field. These numbers are candidate solutions for that cell.</p></item>
-           <item><p>Go to the next empty cell of the chosen row and repeat the above method. Repeat this for 
every row and column, starting at those with the most numbers and continuing through to the least. Always 
look carefully for the numbers and don't forget the 3x3 boxes.</p></item>
+           <item><p>Choose one of the empty cells in this row. Determine which of the missing numbers are in 
that column or in that 3×3 box.</p></item>
+           <item><p> Using <link xref="notes">notes</link>, enter the missing numbers which are not in that 
column or 3×3 box, into the the upper field. These numbers are candidate solutions for that cell.</p></item>
+           <item><p>Go to the next empty cell of the chosen row and repeat the above method. Repeat this for 
every row and column, starting at those with the most numbers and continuing through to the least. Always 
look carefully for the numbers and don’t forget the 3×3 boxes.</p></item>
           </steps>
             <note><p>This strategy will help reveal the cells which have only one possible choice. When 
revealed, you can fill those cells in with that choice, and repeat the strategy again until the entire puzzle 
is solved.</p></note>
 <figure>
@@ -47,14 +47,14 @@
        <title>Strategy 2:</title>
          <steps>
            <item><p>Find the number which appears most often.</p></item>
-           <item><p>Now look at the left vertical alignment of the 3x3 boxes and locate the column(s) in 
which this number appears.</p></item>
-           <item><p>In this alignment, go to a 3x3 box which does not contain this number in any of its 
cells.  Using <link xref="notes">notes</link>, enter this number in every empty cell of the column in which 
this number does not appear. If the number appears in the row of one of these cells, do not enter it in that 
cell's notes.</p></item>
+           <item><p>Now look at the left vertical alignment of the 3×3 boxes and locate the column(s) in 
which this number appears.</p></item>
+           <item><p>In this alignment, go to a 3×3 box which does not contain this number in any of its 
cells.  Using <link xref="notes">notes</link>, enter this number in every empty cell of the column in which 
this number does not appear. If the number appears in the row of one of these cells, do not enter it in that 
cell’s notes.</p></item>
            <item><p>Repeat the last two steps for the center and right vertical alignments.</p></item>
             <item><p>Find the next number which appears most, and repeat until you have done this for all 9 
numbers.</p></item>
          </steps>
             <note><p>This strategy will help reveal the cells which have only one possible choice. When 
revealed, you can fill those cells in with that choice, and repeat the strategy again until the entire puzzle 
is solved.</p></note>
 <figure>
-  <desc>Example use of strategy2.</desc>
+  <desc>Example use of strategy 2.</desc>
   <media type="image" mime="image/png" src="figures/strategy2.png" width="400" its:translate="no"></media>
 </figure>