add support docs

3 files changed, 19 insertions, 5 deletions

diff --git a/.gitignore b/.gitignore
index a33fc04..ef5f81c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 memo*
 *.elc
+README.txt
 /emmet-mode.el
 /src/snippets.el
 /src/preferences.el
diff --git a/Makefile b/Makefile
index dd3493a..16b59ce 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,8 @@
 DST=emmet-mode.el
 
+# set markdown input format to "markdown-smart" for pandoc version 2 and to "markdown" for pandoc prior to version 2
+MARKDOWN = $(shell if [ `pandoc -v | head -n1 | cut -d" " -f2 | head -c1` = "2" ]; then echo markdown-smart; else echo markdown; fi)
+
 all: emmet-mode.el emmet-mode.elc
 
 emmet-mode.el: src/snippets.el src/preferences.el src/*
@@ -26,12 +29,15 @@ src/preferences.el: conf/preferences.json
 	tools/json2hash conf/preferences.json -o src/preferences.el --defvar 'emmet-preferences'
 
 clean:
-	rm -f emmet-mode.elc emmet-mode.el src/snippets.el src/preferences.el
+	rm -f emmet-mode.elc emmet-mode.el README.txt src/snippets.el src/preferences.el
 
 test: emmet-mode.el
 	emacs --quick --script src/test.el
 
-docs:
-	echo docs
+README.txt: README.md
+	pandoc -f $(MARKDOWN) -t plain README.md -o README.txt
+
+docs: README.txt
+	@echo generated docs
 
 .PHONY: all test docs clean
diff --git a/README.md b/README.md
index 395e10b..48adb79 100644
--- a/README.md
+++ b/README.md
@@ -566,5 +566,12 @@ For further information and demo see [Emmet's documentation](https://docs.emmet.
 
 When working on emmet-mode. It is generated from the files in the `/src` directory by `make`.
 
-    make clean
-    make
+    $ make clean && make
+
+Require `pandoc` for generate README.txt
+
+    # pacman -S pandoc
+
+then run:
+
+    $ make docs