From 579d645f2353d09db9513f72d1c83e638b39f422 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Wed, 19 Dec 2012 11:58:18 -0800
Subject: [PATCH] Documented .bibtex extension for BibTeX.

Closes #662.
---
 README | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/README b/README
index de2cf72e2..832f08e8f 100644
--- a/README
+++ b/README
@@ -524,7 +524,8 @@ Citation rendering
 :   Specify bibliography database to be used in resolving
     citations. The database type will be determined from the
     extension of *FILE*, which may be `.mods` (MODS format),
-    `.bib` (BibTeX/BibLaTeX format),
+    `.bib` (BibLaTeX format, which will normally work for BibTeX
+    files as well), `.bibtex` (BibTeX format),
     `.ris` (RIS format), `.enl` (EndNote format),
     `.xml` (EndNote XML format), `.wos` (ISI format),
     `.medline` (MEDLINE format), `.copac` (Copac format),
@@ -2135,7 +2136,8 @@ you will need a bibliographic database in one of the following formats:
   Format            File extension
   ------------      --------------
   MODS              .mods
-  BibTeX/BibLaTeX   .bib
+  BibLaTeX          .bib
+  BibTeX            .bibtex
   RIS               .ris
   EndNote           .enl
   EndNote XML       .xml
@@ -2144,6 +2146,9 @@ you will need a bibliographic database in one of the following formats:
   Copac             .copac
   JSON citeproc     .json
 
+Note that `.bib` can generally be used with both BibTeX and BibLaTeX
+files, but you can use `.bibtex` to force BibTeX.
+
 You will need to specify the bibliography file using the `--bibliography`
 command-line option (which may be repeated if you have several
 bibliographies).