diff --git a/tcsh-6.19.00-015-set-LC_COLLATE-to-C-and-add-HTML-makefile.patch b/tcsh-6.19.00-015-set-LC_COLLATE-to-C-and-add-HTML-makefile.patch
new file mode 100644
index 0000000..2694df8
--- /dev/null
+++ b/tcsh-6.19.00-015-set-LC_COLLATE-to-C-and-add-HTML-makefile.patch
@@ -0,0 +1,78 @@
+From db1c9b4ef9e30ec12a0a3cd15311ddfb208ef57c Mon Sep 17 00:00:00 2001
+From: kim <kim>
+Date: Mon, 24 Aug 2015 20:09:04 +0000
+Subject: [PATCH 1/2] Set LC_COLLATE=C when calling sort for reproducible
+ results.
+
+---
+ Makefile.in  | 2 +-
+ Makefile.std | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/Makefile.in b/Makefile.in
+index 6d1f964..1ef8cb7 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -533,7 +533,7 @@ tc.const.h: tc.const.c sh.char.h config.h config_f.h sh.types.h sh.err.h
+ 	${CPP} $(CPPFLAGS) ${DFLAGS} ${EXTRAFLAGS} -D_h_tc_const\
+ 	    $(srcdir)/tc.const.c | \
+ 	    sed -n -e 's/^\(Char STR[a-zA-Z0-9_]*\) *\[ *\].*/extern \1[];/p' | \
+-	    sort >> $@.tmp
++	    LC_COLLATE=C sort >> $@.tmp
+ 	@echo '#endif /* _h_tc_const */' >> $@.tmp
+ 	@if [ -f $@ ] && cmp -s $@.tmp $@; then echo $@ unchanged.; rm -f $@.tmp; else mv -f $@.tmp $@; echo $@ recreated.; fi
+ 
+diff --git a/Makefile.std b/Makefile.std
+index 2cbc1b1..5d2e89f 100644
+--- a/Makefile.std
++++ b/Makefile.std
+@@ -425,7 +425,7 @@ tc.const.h: tc.const.c sh.char.h config.h config_f.h sh.types.h sh.err.h
+ 	${CPP} $(INCLUDES) ${DFLAGS} ${EXTRAFLAGS} -D_h_tc_const\
+ 	    $(srcdir)/tc.const.c | grep 'Char STR' | \
+ 	    sed -e 's/Char \([a-zA-Z0-9_]*\) *\[ *\].*/extern Char \1[];/' | \
+-	    sort >> $@
++	    LC_COLLATE=C sort >> $@
+ 	@echo '#endif /* _h_tc_const */' >> $@
+ 
+ csh.prof: ${OBJS} sh.prof.${SUF} mcrt0.${SUF}
+-- 
+2.5.5
+
+
+From 52fb6c229feea0ccaa3002b4d2b681e60922a4df Mon Sep 17 00:00:00 2001
+From: kim <kim>
+Date: Wed, 26 Aug 2015 09:50:31 +0000
+Subject: [PATCH 2/2] Add a Makefile for creating the HTML version of the
+ manual page.
+
+---
+ Makefile.man2html | 17 +++++++++++++++++
+ 1 file changed, 17 insertions(+)
+ create mode 100644 Makefile.man2html
+
+diff --git a/Makefile.man2html b/Makefile.man2html
+new file mode 100644
+index 0000000..a1bd86a
+--- /dev/null
++++ b/Makefile.man2html
+@@ -0,0 +1,17 @@
++#
++# Create the HTML version of the manual page
++#
++
++CGI=tcsh.html/tcsh.cgi
++
++tcsh.html/top.html: tcsh.man tcsh.man2html
++	perl tcsh.man2html -i
++	-rm -f tcsh.html/index.html
++	chmod -R a+rX tcsh.html
++	mv ${CGI} ${CGI}.bak
++	sed -e '1s,^.*$$,#!/usr/bin/perl,' < ${CGI}.bak > ${CGI}
++	chmod a+rx ${CGI}
++	rm -f ${CGI}.bak
++
++clean:
++	-rm -rf tcsh.html
+-- 
+2.5.5
+
diff --git a/tcsh.spec b/tcsh.spec
index 85f23c0..6f38f5c 100644
--- a/tcsh.spec
+++ b/tcsh.spec
@@ -43,6 +43,7 @@ Patch011: tcsh-6.19.00-011-man-page-spelling-fixes.patch
 Patch012: tcsh-6.19.00-012-display-default-in-editor.patch
 Patch013: tcsh-6.19.00-013-VImode-variable-provided.patch
 Patch014: tcsh-6.19.00-014-do-not-use-union-wait.patch
+Patch015: tcsh-6.19.00-015-set-LC_COLLATE-to-C-and-add-HTML-makefile.patch
 
 
 # Downstream patches -- these should be always included when doing rebase:
@@ -178,6 +179,7 @@ fi
     tcsh-6.19.00-012-display-default-in-editor.patch
     tcsh-6.19.00-013-VImode-variable-provided.patch
     tcsh-6.19.00-014-do-not-use-union-wait.patch
+    tcsh-6.19.00-015-set-LC_COLLATE-to-C-and-add-HTML-makefile.patch
 
 * Thu Apr 21 2016 David Kaspar [Dee'Kej] <dkaspar@redhat.com> - 6.19.00-6
 - Drop tcsh-6.15.00-closem.patch - issue not reproducible, patch not accepted by upstream