diff --git a/git-gui.sh b/git-gui.sh
index 11048c7a0e..1ed51857e9 100755
--- a/git-gui.sh
+++ b/git-gui.sh
@@ -1616,11 +1616,13 @@ proc run_prepare_commit_msg_hook {} {
 	if {[file isfile [gitdir MERGE_MSG]]} {
 		set pcm_source "merge"
 		set fd_mm [open [gitdir MERGE_MSG] r]
+		fconfigure $fd_mm -encoding utf-8
 		puts -nonewline $fd_pcm [read $fd_mm]
 		close $fd_mm
 	} elseif {[file isfile [gitdir SQUASH_MSG]]} {
 		set pcm_source "squash"
 		set fd_sm [open [gitdir SQUASH_MSG] r]
+		fconfigure $fd_sm -encoding utf-8
 		puts -nonewline $fd_pcm [read $fd_sm]
 		close $fd_sm
 	} else {
diff --git a/lib/diff.tcl b/lib/diff.tcl
index 0d56986215..30bdd691ee 100644
--- a/lib/diff.tcl
+++ b/lib/diff.tcl
@@ -127,6 +127,9 @@ proc show_diff {path w {lno {}} {scroll_pos {}} {callback {}}} {
 	} else {
 		start_show_diff $cont_info
 	}
+
+	global current_diff_path selected_paths
+	set selected_paths($current_diff_path) 1
 }
 
 proc show_unmerged_diff {cont_info} {
diff --git a/lib/tools.tcl b/lib/tools.tcl
index 6ec94113db..413f1a1700 100644
--- a/lib/tools.tcl
+++ b/lib/tools.tcl
@@ -69,6 +69,7 @@ proc tools_populate_one {fullname} {
 proc tools_exec {fullname} {
 	global repo_config env current_diff_path
 	global current_branch is_detached
+	global selected_paths
 
 	if {[is_config_true "guitool.$fullname.needsfile"]} {
 		if {$current_diff_path eq {}} {
@@ -100,6 +101,7 @@ proc tools_exec {fullname} {
 
 	set env(GIT_GUITOOL) $fullname
 	set env(FILENAME) $current_diff_path
+	set env(FILENAMES) [join [array names selected_paths] \n]
 	if {$is_detached} {
 		set env(CUR_BRANCH) ""
 	} else {
@@ -121,6 +123,7 @@ proc tools_exec {fullname} {
 
 	unset env(GIT_GUITOOL)
 	unset env(FILENAME)
+	unset env(FILENAMES)
 	unset env(CUR_BRANCH)
 	catch { unset env(ARGS) }
 	catch { unset env(REVISION) }
diff --git a/po/glossary/txt-to-pot.sh b/po/glossary/txt-to-pot.sh
index 49bf7c5365..8249915d3c 100755
--- a/po/glossary/txt-to-pot.sh
+++ b/po/glossary/txt-to-pot.sh
@@ -11,7 +11,7 @@
 if [ $# -eq 0 ]
 then
 	cat <<!
-Usage: `basename $0` git-gui-glossary.txt > git-gui-glossary.pot
+Usage: $(basename $0) git-gui-glossary.txt > git-gui-glossary.pot
 !
 	exit 1;
 fi
@@ -33,7 +33,7 @@ cat <<!
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: `date +'%Y-%m-%d %H:%M%z'`\n"
+"POT-Creation-Date: $(date +'%Y-%m-%d %H:%M%z')\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"