Change make doc command to work with bsd sed

diff --git a/Makefile b/Makefile
index 9eb40e2b10be4f9f2724f0c10e2e99bff7d139bd..82fb27ffa394e1d4defb7f2a19597ff46b84e5c2 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -47,14 +47,18 @@ build:
        mkdir build
 
 doc: build/html2vimdoc build/vim-tools
-       sed '/^\(\[!\[Build Status\]\|1. \[\)/d' README.md > doc/tmp.md
+       sed -e '/^\[!\[Build Status\]/d' \
+           -e '/^1\. \[/d' README.md > doc/tmp.md # remove table of contents
        build/html2vimdoc/bin/python build/vim-tools/html2vimdoc.py -f vim-markdown \
                doc/tmp.md | \
-               sed -e "s/\s*$$//; # remove trailing spaces" \
-                   -e "/^- '[^']*':\( \|$$\)/ { # match command lines" \
-                   -e "s/^- '\([^']*\)':\( \|$$\)/ \*\1\*\n\0/; # make command references" \
-                   -e ":a; s/^\(.\{1,78\}\n\)/ \1/; ta } # right align references" \
-               > doc/vim-markdown.txt && rm -f doc/tmp.md
+               sed -E -e "s/[[:space:]]*$$//" -e "# remove trailing spaces" \
+                   -e "/^- '[^']*':( |$$)/ {" \
+                   -e "h" -e "# save the matched line to the hold space"\
+                   -e "s/^- '([^']*)':.*/ \*\1\*/" -e "# make command reference" \
+                   -e ":a" -e "s/^(.{1,78})$$/ \1/" -e "ta" -e "# align right" \
+                   -e "G" -e "# append the matched line after the command reference" \
+                   -e "}" > doc/vim-markdown.txt && rm -f doc/tmp.md
+
 .PHONY: doc
 
 # Prerequire Python and virtualenv.