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-rw-r--r--doc/local.mk18
1 files changed, 10 insertions, 8 deletions
diff --git a/doc/local.mk b/doc/local.mk
index aca1958edd..97122c737d 100644
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -96,14 +96,16 @@ define xref_command
cat "$@.tmp" | egrep '@p?x?ref' -A1 | sed 'N;s|--\n||g;P;D' | sed 's|^| |g' | \
tr -d '\012' | sed 's|\(@p\?x\?ref\)|\n\1|g' | egrep '@p?x?ref' | \
sed 's|^.*@p\?x\?ref{\([^,}]*\).*$$|\1|g' | sort | uniq | while read e; do \
- line=$$(grep -n "^msgid \"$$e\"" "$<" | cut -f1 --delimiter=":") ;\
- ((line++)) ;\
- if [ "$$line" != "1" ]; then \
- translation=$$(head -n $$line "$<" | tail -1 | grep msgstr | sed 's|msgstr "\(.*\)"|\1|') ;\
- if [ "$$translation" != "" ]; then \
- sed "N;s@\(p\?x\?ref\){$$(echo $$e | sed 's| |[\\n ]|g')\(,\|}\)@\1{$$translation\2@g;P;D" -i "$@.tmp" ;\
- fi ;\
- fi ;\
+ if [ -n "$$e" ]; then \
+ line=$$(grep -n "^msgid \"$$e\"" "$<" | cut -f1 --delimiter=":") ;\
+ ((line++)) ;\
+ if [ "$$line" != "1" ]; then \
+ translation=$$(head -n "$$line" "$<" | tail -1 | grep msgstr | sed 's|msgstr "\(.*\)"|\1|') ;\
+ if [ "$$translation" != "" ]; then \
+ sed "N;s@\(p\?x\?ref\){$$(echo $$e | sed 's| |[\\n ]|g')\(,\|}\)@\1{$$translation\2@g;P;D" -i "$@.tmp" ;\
+ fi ;\
+ fi ;\
+ fi ;\
done
endef