Merge branch 'ah/send-email-sendmail-alias'

"git send-email" learned the alias file format used by the sendmail
program (in an abbreviated form).

* ah/send-email-sendmail-alias:
  t9001: write $HOME/, not ~/, to help shells without tilde expansion
  send-email: add sendmail email aliases format

1 files changed, 17 insertions, 1 deletions

diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
index 804554609..b48a76432 100644
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -383,7 +383,23 @@ sendemail.aliasesFile::
 
 sendemail.aliasFileType::
 	Format of the file(s) specified in sendemail.aliasesFile. Must be
-	one of 'mutt', 'mailrc', 'pine', 'elm', or 'gnus'.
+	one of 'mutt', 'mailrc', 'pine', 'elm', or 'gnus', or 'sendmail'.
++
+What an alias file in each format looks like can be found in
+the documentation of the email program of the same name. The
+differences and limitations from the standard formats are
+described below:
++
+--
+sendmail;;
+*	Quoted aliases and quoted addresses are not supported: lines that
+	contain a `"` symbol are ignored.
+*	Line continuations are not supported: lines that start with
+	whitespace characters, or end with a `\` symbol are ignored.
+*	Warnings are printed on the standard error output for any
+	explicitly unsupported constructs, and any other lines that are not
+	recognized by the parser.
+--
 
 sendemail.multiEdit::
 	If true (default), a single editor instance will be spawned to edit