This site is to serve as my note-book and to effectively communicate with my students and collaborators. Every now and then, a blog may be of interest to other researchers or teachers. Views in this blog are my own. All rights of research results and findings on this blog are reserved. See also http://youtube.com/c/hongqin
@hongqin
Wednesday, December 17, 2014
convert read-only pdf to modifiable pdf
I saved pdf/A file to postscript.
I then "ps2pdf" and generated a new pdf, which can be annotated.
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