Update english sources of docs to v2.21.0

Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>

Update english sources of docs to v2.21.0
221cdfc4 · Jean-Noël Avila · 51133766 · 221cdfc4 · 221cdfc4 · 221cdfc4
Commit 221cdfc4 authored 6 years ago by Jean-Noël Avila
--- a/en/git-svn.txt
+++ b/en/git-svn.txt
--- a/en/git-tag.txt
+++ b/en/git-tag.txt
--- a/en/git-update-index.txt
+++ b/en/git-update-index.txt
--- a/en/git-update-ref.txt
+++ b/en/git-update-ref.txt
--- a/en/git-upload-pack.txt
+++ b/en/git-upload-pack.txt
--- a/en/git-var.txt
+++ b/en/git-var.txt
--- a/en/git-web--browse.txt
+++ b/en/git-web--browse.txt
--- a/en/git-worktree.txt
+++ b/en/git-worktree.txt
--- a/en/git.txt
+++ b/en/git.txt
--- a/en/i18n.txt
+++ b/en/i18n.txt
--- a/en/merge-config.txt
+++ b/en/merge-config.txt
--- a/en/merge-options.txt
+++ b/en/merge-options.txt
--- a/en/merge-strategies.txt
+++ b/en/merge-strategies.txt
--- a/en/pretty-formats.txt
+++ b/en/pretty-formats.txt
--- a/en/pull-fetch-param.txt
+++ b/en/pull-fetch-param.txt
--- a/en/rev-list-options.txt
+++ b/en/rev-list-options.txt
--- a/en/revisions.txt
+++ b/en/revisions.txt
--- a/scripts/update-sources.sh
+++ b/scripts/update-sources.sh
--- a/sources.txt
+++ b/sources.txt