docs: improve troubleshooting.rst

user_guide_src/source/general/logging.rst

@@ -6,7 +6,10 @@ Logging Information
     :local:
     :depth: 2
 
-You can log information to the local log files by using the ``log_message()`` method. You must supply
+Log Levels
+==========
+
+You can log information to the local log files by using the :php:func:`log_message()` method. You must supply
 the "level" of the error in the first parameter, indicating what type of message it is (debug, error, etc).
 The second parameter is the message itself:
 
@@ -32,6 +35,8 @@ The logging system does not provide ways to alert sysadmins or webmasters about
 the information. For many of the more critical event levels, the logging happens automatically by the
 Error Handler, described above.
 
+.. _logging-configuration:
+
 Configuration
 =============
 
@@ -125,4 +130,4 @@ the **app/Config/Autoload.php** configuration file, or through another autoloade
 like Composer. Next, you should modify **app/Config/Services.php** to point the ``logger``
 alias to your new class name.
 
-Now, any call that is done through the ``log_message()`` function will use your library instead.
+Now, any call that is done through the :php:func:`log_message()` function will use your library instead.

user_guide_src/source/installation/troubleshooting.rst

@@ -24,9 +24,9 @@ I have to include index.php in my URL
 -------------------------------------
 
 If a URL like ``/mypage/find/apple`` doesn't work, but the similar
-URL ``/index.php/mypage/find/apple`` does, that sounds like your ``.htaccess`` rules
+URL ``/index.php/mypage/find/apple`` does, that sounds like your **.htaccess** rules
 (for Apache) are not set up properly, or the ``mod_rewrite`` extension
-in Apache's ``httpd.conf`` is commented out.
+in Apache's **httpd.conf** is commented out.
 
 Only the default page loads
 ---------------------------
@@ -37,7 +37,7 @@ REQUEST_URI variable needed to serve search-engine friendly URLs. As a
 first step, open your **app/Config/App.php** file and look for
 the URI Protocol information. It will recommend that you try a couple of
 alternate settings. If it still doesn't work after you've tried this
-you'll need to force CodeIgniter to add a question mark to your URLs. To
+you'll need to force CodeIgniter to add a question mark (``?``) to your URLs. To
 do this open your **app/Config/App.php** file and change this:
 
 .. literalinclude:: troubleshooting/001.php
@@ -59,7 +59,7 @@ The tutorial gives 404 errors everywhere :(
 -------------------------------------------
 
 You can't follow the tutorial using PHP's built-in web server.
-It doesn't process the `.htaccess` file needed to route
+It doesn't process the **.htaccess** file needed to route
 requests properly.
 
 The solution: use Apache to serve your site, or else the built-in
@@ -88,7 +88,7 @@ CodeIgniter Error Logs
 
 CodeIgniter logs error messages, according to the settings in **app/Config/Logger.php**.
 
-You can adjust the error threshold to see more or fewer messages.
+You can adjust the error threshold to see more or fewer messages. See :ref:`Logging <logging-configuration>` for details.
 
-The default configuration has daily log files stored in `writable/logs`.
+The default configuration has daily log files stored in **writable/logs**.
 It would be a good idea to check them if things aren't working the way you expect!

user_guide_src/source/installation/troubleshooting/002.php

@@ -9,5 +9,6 @@ class App extends BaseConfig
     // ...
 
     public $indexPage = 'index.php?';
+
     // ...
 }