1. A system for enabling in-context authoring of substitute content for one or more non-textual objects, comprising: a memory to access an electronic document comprising content data that includes sentences and at least one non-textual object contextually placed in a first position within the sentences; and an authoring environment that facilitates in-context editing of substitute content corresponding to the at least one non-textual object, comprising: an interactive output interface that presents the substitute content positioned in the first position within the sentences and presents at least a portion of the sentences positioned adjacent to the first position to enable a user to contextually review the substitute content with respect to the sentences; and an interactive input interface that enables a user to edit the substitute content positioned within the first position in response to editing commands and enables the user to store the substitute content to the electronic document.
1. A system for enabling in-context authoring of substitute content for one or more non-textual objects, comprising: a memory to access an electronic document comprising content data that includes sentences and at least one non-textual object contextually placed in a first position within the sentences; and an authoring environment that facilitates in-context editing of substitute content corresponding to the at least one non-textual object, comprising: an interactive output interface that presents the substitute content positioned in the first position within the sentences and presents at least a portion of the sentences positioned adjacent to the first position to enable a user to contextually review the substitute content with respect to the sentences; and an interactive input interface that enables a user to edit the substitute content positioned within the first position in response to editing commands and enables the user to store the substitute content to the electronic document. 9. A system according to claim 1 , further comprising: an interface to delimit the substitute content using emphasis selected from the group comprising plain text, background color, background pattern, foreground color, foreground pattern, font type, font size, border, outline, graphical markers, images, audio signals, tactile signals, and programmatic objects.