Hiding todo's created with todonotes

Question

I'm currently working on a document in which I need to indicate things to be done in a draft version, and I'd like to produce a final version where todos are hidden. The todonotes package features a disable option which is supposed to achieve this; it does remove todos defined with the \todo command, but it fails on my custom commands like this one:

\newcommand{\minortodo}[2][]{\todo[color=green, #1]{#2}}

The final PDF's output when using \minortodo[inline]{change this to that} is exactly [inline]change this to that. How do I go about telling todonotes to hide these instances as well? (note: removing inline does not solve the problem).

EDIT: the following minimal working example (thanks for the suggestion) suggests that the problem has another origin; this works as expected (i.e. minor todo's disappear too):

\documentclass{book}
\usepackage[disable]{todonotes}   
\newcommand{\minortodo}[2][]{\todo[color=magenta, #1]{#2}}
\begin{document}
    Here's some text.
    \todo[inline]{this todo goes away}
    \minortodo[inline]{this one too}
\end{document}

In my actual document, I use the book class and load the following packages, but adding them to the MWE still causes no problem. The actual source of my document is a markdown file processed with pandoc with no template of my own, so I guess I'll have to look into what pandoc inserts that yields this behaviour.

\usepackage{minitoc}\dominitoc  
\usepackage{dot2texi}           
\usepackage{tikz}
\usetikzlibrary{matrix}
\usetikzlibrary{shapes,arrows}  
\usepackage{fancyvrb}           
\usepackage{tabulary}           
\usepackage{todonotes}          
\usepackage{varwidth}

Answer 1

My shortcomings in using sed are to blame, not todonotes or pandoc. In case it might be useful: I thought the following command would replace \usepackage{todonotes} with \usepackage[disable]{todonotes}, but grep showed me I was wrong:

$ sed s/\\usepackage{todonotes}/\\usepackage[disable]{todonotes}/ draftdoc.tex | grep todonotes
\Sepackage[disable]{todonotes}

As a result, the \todo commands were undefined (I still don't get how they were hidden and minor todos weren't though). This produces the right results (mind the additional quotes):

$ sed 's/\\usepackage{todonotes}/\\usepackage[disable]{todonotes}/' draftdoc.tex | grep todonotes
\usepackage[disable]{todonotes}