merge with main git using update-weblate-git.

wiki/src/contribute/how/translate/with_Git.mdwn

@@ -133,7 +133,14 @@ ask on the [[mailing list for translators|translate#follow-up]], we will be glad
 
        git config --list
 
-4. **Create a branch**
+4. **Install the pre-commit hook**
+
+   There is a script in ./bin/pre-commit-translation that can be used as
+   a pre-commit hook. Please set it up as documented in the comments on
+   top of that file. It will run some sanity checks on the translated
+   files.
+
+5. **Create a branch**
 
    Create a branch for every translation you make, for example, if you want to
    translate the "contribute" page, create a branch named `translate/contribute`:
@@ -146,25 +153,25 @@ ask on the [[mailing list for translators|translate#follow-up]], we will be glad
          master
        * translate/contribute
 
-5. **Translate!**
+6. **Translate!**
 
    You can use your preferred PO file editor, for example, *Poedit* which is included in Tails.
 
-6. **Save your translations**
+7. **Save your translations**
 
    Add your changes, then commit
 
        git add -p
        git commit
 
-7. **Test your work**
+8. **Test your work**
 
    [[Build the website locally|contribute/build/website/]] in order to verify
    your modifications or to review the translations of somebody else.
 
    If you need to rework something, go back to step 5, translate, and test again.
 
-8. **Merge our main repository into yours**.
+9. **Merge our main repository into yours**.
 
    Regularly, pull from the `master` branch of the main repository to update
    your local files.
@@ -173,7 +180,7 @@ ask on the [[mailing list for translators|translate#follow-up]], we will be glad
 
    `git pull origin master` fetches and merges the files.
 
-9. **Publish your modifications**
+10. **Publish your modifications**
 
    Push your changes to your online Git repository:
 
@@ -183,12 +190,12 @@ ask on the [[mailing list for translators|translate#follow-up]], we will be glad
 
        git push myrepo translate/contribute
 
-10. Ask other members of your translation team to review your work by writing
+11. Ask other members of your translation team to review your work by writing
    an email to [[the mailing list for
    translators|translate#follow-up]], containing in its subject
    "(Review)" and the short code for the translated language, for example "[fr]".
 
-11. The reviewer, once happy with the result, should ask on the
+12. The reviewer, once happy with the result, should ask on the
    [[mailing list for translators|translate#follow-up]] to pull from
    the branch that was worked on, writing an email with "(pull)" and the language
    short code in the subject. Ideally, such email would be signed with OpenPGP.