33.2.7 Understanding fixed-key vs. variable-key settings
The settings in some Mif2Go configuration sections are global in scope, and use fixed keys: predefined keywords to which you can assign values. The settings in other configuration sections use variable keys: the names of formats, tables, or graphics in your document. You can override some settings in most fixed-key sections, and all settings in most variable-key sections.
Fixed-key configuration sections
Configuration sections such as [HTMLOptions] have a set of predefined keywords, and the value you assign to a given keyword usually applies to the entire document. You can change the value of a fixed-key setting only with a persistent override, where you name the key whose value is to be overridden. Temporary overrides do not apply to fixed-key settings; see §33.2.1 Determining the extent of a configuration override. Table 33-2 lists the fixed-key configuration sections that include settings subject to override.
Variable-key configuration sections
Configuration sections such as [HelpStyles] or [GraphAlign] use format names or object identifiers as keys, where the key name is one of the following:
• a character, paragraph, or cross-reference format name; the value applies only to text in the named format
• a graphic ID, table ID, or table format name, or a named group of graphics or tables; the value applies only to the named table, graphic, or group.
You can use either persistent overrides or temporary overrides for most variable-key settings. You can override settings in the variable-key sections listed in the following tables:
Table 33-3 Text configuration sections subject to overrides
Table 33-4 Cross-reference sections subject to overrides
Table 33-5 HTML table sections subject to overrides
Table 33-6 HTML graphic sections subject to overrides
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