[tests/fonts] rhel9: Update README

[Akira TAGOH <akira@tagoh.org>]

A new commit has been pushed.

Repo   : tests/fonts
Branch : rhel9
Commit : c7aa00b8813b60419e38d296de835a7aec396500
Author : Akira TAGOH <akira@tagoh.org>
Date   : 2024-09-03T11:56:50+09:00
Stats  : +31/-23 in 1 file(s)
URL    : https://src.fedoraproject.org/tests/fonts/c/c7aa00b8813b60419e38d296de835a7aec396500?branch=rhel9

Log:
Update README

---
diff --git a/README.rst b/README.rst
index df3469b..20ba975 100644
--- a/README.rst
+++ b/README.rst
@@ -9,15 +9,15 @@ Use `tmt` to run tests easily:
 How to create
 -------------
 
-1. `tmt init` at a package repository
-2. `tmt plan create -t mini /plans/<sub package name>`
-3. Replace `plans/<sub package name>.fmf` with the following template
+1. ``tmt init`` at a package repository
+2. ``tmt plan create -t mini /plans/<sub package name>``
+3. Replace ``plans/<sub package name>.fmf`` with the following template
 
 or
 
-1. `dnf install fontrpmspec`
-2. `fontrpmspec-gentmt <path to package repository>`
-3. Review generated fmf plan files under `<path to package repository>/plans`
+1. ``dnf install fontrpmspec``
+2. ``fontrpmspec-gentmt <path to package repository>``
+3. Review generated fmf plan files under ``<path to package repository>/plans``
 
 Template
 --------
@@ -48,39 +48,40 @@ Available test cases
 
   - DEFAULT_SANS (optional)
 
-    default value is 0. set 1 if the targeted font package is supposed to
+    default value is ``0``. set ``1`` if the targeted font package is supposed to
     be a default font for sans-serif on a certain language.
-    set 2 if the result isn't yet determined. it may be helpful to deal with
+    set ``2`` if the result isn't yet determined. it may be helpful to deal with
     minor languages.
 
   - DEFAULT_SERIF (optional)
 
-    default value is 0. set 1 if the targeted font package is supposed to
+    default value is ``0``. set ``1`` if the targeted font package is supposed to
     be a default font for serif on a certain language.
-    set 2 if the result isn't yet determined. it may be helpful to deal with
+    set ``2`` if the result isn't yet determined. it may be helpful to deal with
     minor languages.
 
   - DEFAULT_MONO (optional)
 
-    default value is 0. set 1 if the targeted font package is supposed to
+    default value is ``0``. set ``1`` if the targeted font package is supposed to
     be a default font for monospace on a certain language.
-    set 2 if the result isn't yet determined. it may be helpful to deal with
+    set ``2`` if the result isn't yet determined. it may be helpful to deal with
     minor languages.
 
   - DEFAULT_EMOJI (optional)
 
-    default value is 0. set 1 if the targeted font package is supposed to
+    default value is ``0``. set ``1`` if the targeted font package is supposed to
     be a default font for emoji.
 
   - DEFAULT_MATH (optional)
 
-    default value is 0. set 1 if the targeted font package is supposed to
+    default value is ``0``. set ``1`` if the targeted font package is supposed to
     be a default font for math.
 
   - FONT_FAMILY
   - FONT_LANG (optional)
 
-    default value is en. en will be used for und-zsye (emoji) and und-zmth (math).
+    default value is ``en``. en will be used for ``und-zsye`` (emoji) and ``und-zmth`` (math).
+    If you set ``-``(hyphen) as a language, ``en`` will be used instead.
 
 - Generic alias
 
@@ -90,16 +91,18 @@ Available test cases
   - PACKAGE
   - FONT_ALIAS (optional)
 
-    default value is sans-serif
+    default value is ``sans-serif``
 
   - FONT_FAMILY
   - FONT_LANG (optional)
 
-    default value is en.
+    default value is ``en``.
+    If you set ``-``(hyphen) as a language, this test will be skipped.
+    This may be somewhat useful when you don't want to test a specific font only.
 
   - FONT_WIDTH (optional)
 
-    default value is normal.
+    default value is ``normal``.
 
   - FONT_CONF_EXCLUDE_FILES (optional)
 
@@ -112,6 +115,11 @@ Available test cases
 
   - PACKAGE
   - FONT_LANG (optional)
+
+    default value is ``en``.
+    If you set ``-``(hyphen) as a language, this test will be skipped.
+    This may be somewhat useful when you don't want to test a specific font only.
+
   - FONT_LANG_EXCLUDE_FILES (optional)
 
     Set a regex to skip some bogus font files.
@@ -133,7 +141,7 @@ FAQ
 
 - My font package doesn't have an own config.
 
-  You can add `generic_alias` into `exclude` at `discover` section like::
+  You can add ``generic_alias`` into ``exclude`` at ``discover`` section like::
 
     discover:
       how: fmf
@@ -143,7 +151,7 @@ FAQ
 
 - My font package doesn't have particular language coverage.
 
-  You can add `lang_coverage` and `default_fonts` into `exclude` at `discover` section like::
+  You can add ``lang_coverage`` and ``default_fonts`` into ``exclude`` at ``discover`` section like::
 
     discover:
       how: fmf
@@ -155,7 +163,7 @@ FAQ
 - Unable to run `tmt run` locally.
 
   You may want to add the following snippet into your fmf plan file.
-  Please note that a package set to `package:` will be pulled from
+  Please note that a package set to ``package:`` will be pulled from
   the official repo. it may not contains any changes you may made in
   your repo::
 
@@ -164,7 +172,7 @@ FAQ
       how: install
       package: <package name to test>
 
-  or `fontrpmspec-gentmt -a` if you use fontrpmspec to generate.
+  or ``fontrpmspec-gentmt -a`` if you use fontrpmspec to generate.
 
 - How to deal with TrueType/OpenType Collection format?
 
@@ -173,7 +181,7 @@ FAQ
   TTC/OTC. So you may want to have separate plan file per faces in TTC/OTC.
   See `adobe-source-han-mono-fonts package <https://src.fedoraproject.org/rpms/adobe-source-han-mono-fonts/blob/rawhide/f/plans>`_ for example.
 
-- I saw "No space left on device" error during testing.
+- I saw ``No space left on device`` error during testing.
 - Too many sub packages. How can this be simplified?
 
   You can put required variables into a file on plans directory like the following format::