libcurl-tutorial.3 is the former libcurl-the-guide converted to man page format

 curl_multi_perform.3 curl_multi_remove_handle.3 curl_share_cleanup.3	\

 curl_share_init.3 curl_share_setopt.3 libcurl.3 libcurl-easy.3		\

 libcurl-multi.3 libcurl-share.3 libcurl-errors.3 curl_easy_strerror.3	\

 curl_multi_strerror.3 curl_share_strerror.3 curl_global_init_mem.3

 curl_multi_strerror.3 curl_share_strerror.3 curl_global_init_mem.3	\

 libcurl-tutorial.3

HTMLPAGES = curl_easy_cleanup.html curl_easy_getinfo.html		\

 curl_easy_init.html curl_easy_perform.html curl_easy_setopt.html	\

 curl_share_cleanup.html curl_share_init.html curl_share_setopt.html	\

 libcurl.html libcurl-multi.html libcurl-easy.html libcurl-share.html	\

 libcurl-errors.html curl_easy_strerror.html curl_multi_strerror.html	\

 curl_share_strerror.html curl_global_init_mem.html

 curl_share_strerror.html curl_global_init_mem.html			\

 libcurl-tutorial.html

PDFPAGES = curl_easy_cleanup.pdf curl_easy_getinfo.pdf			\

 curl_easy_init.pdf curl_easy_perform.pdf curl_easy_setopt.pdf		\

 curl_share_init.pdf curl_share_setopt.pdf libcurl.pdf			\

 libcurl-multi.pdf libcurl-easy.pdf libcurl-share.pdf			\

 libcurl-errors.pdf curl_easy_strerror.pdf curl_multi_strerror.pdf	\

 curl_share_strerror.pdf curl_global_init_mem.pdf

 curl_share_strerror.pdf curl_global_init_mem.pdf libcurl-tutorial.pdf

CLEANFILES = $(HTMLPAGES) $(PDFPAGES)