diff --git a/Makefile b/Makefile
index 9dc2ccb..148b73b 100644
--- a/Makefile
+++ b/Makefile
@@ -15,20 +15,23 @@ MD_FILES = $(SOURCES:%=$(OUT_DIR)/%.md)
 HTML_FILES = $(MD_FILES:.md=.html)
 
 # Default target
-all: Makefile $(HTML_FILES) $(OUT_DIR)/learning.html
+all: Makefile convert.py $(HTML_FILES) $(OUT_DIR)/learning.html
 
 Makefile: $(SRC_DIR)/0026.txt
 	cmm print -f $< -S | sed "s/    `printf '    /\t/g'`" >$@
 
+convert.py: $(SRC_DIR)/0003.txt Makefile
+	cmm print -f $< -S >$@
+
 # Rule to create a markdown file from a source file
 $(OUT_DIR)/%.md: $(SRC_DIR)/%.txt
 	cmm print -f $< -a > $@
 
 # Rule to create an HTML file from a markdown file
-$(OUT_DIR)/%.html: $(OUT_DIR)/%.md
+$(OUT_DIR)/%.html: $(OUT_DIR)/%.md convert.py
 	python convert.py $<
 
-$(OUT_DIR)/learning.html: $(SRC_DIR)/0015.txt
+$(OUT_DIR)/learning.html: $(SRC_DIR)/0015.txt $(SRC_FILES) Makefile
 	cmm print -f $< -S | \
 	awk "/LINKS_LINE/ { \
 	    split(\"$(SOURCES)\", sources, \" \"); \
diff --git a/db/.next b/db/.next
new file mode 100644
index 0000000..d99e90e
--- /dev/null
+++ b/db/.next
@@ -0,0 +1 @@
+29
\ No newline at end of file
diff --git a/db/0026.txt b/db/0026.txt
index 1fa39d1..9aa6c18 100644
--- a/db/0026.txt
+++ b/db/0026.txt
@@ -22,20 +22,23 @@ MD_FILES = $(SOURCES:%=$(OUT_DIR)/%.md)
 HTML_FILES = $(MD_FILES:.md=.html)
 
 # Default target
-all: Makefile $(HTML_FILES) $(OUT_DIR)/learning.html
+all: Makefile convert.py $(HTML_FILES) $(OUT_DIR)/learning.html
 
 Makefile: $(SRC_DIR)/0026.txt
         cmm print -f $< -S | sed "s/    `printf '    /\t/g'`" >$@
 
+convert.py: $(SRC_DIR)/0003.txt Makefile
+        cmm print -f $< -S >$@
+
 # Rule to create a markdown file from a source file
 $(OUT_DIR)/%.md: $(SRC_DIR)/%.txt
         cmm print -f $< -a > $@
 
 # Rule to create an HTML file from a markdown file
-$(OUT_DIR)/%.html: $(OUT_DIR)/%.md
+$(OUT_DIR)/%.html: $(OUT_DIR)/%.md convert.py
         python convert.py $<
 
-$(OUT_DIR)/learning.html: $(SRC_DIR)/0015.txt
+$(OUT_DIR)/learning.html: $(SRC_DIR)/0015.txt $(SRC_FILES) Makefile
         cmm print -f $< -S | \
         awk "/LINKS_LINE/ { \
             split(\"$(SOURCES)\", sources, \" \"); \