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All htp options can be specified on the command-line; many can be set in the actual source files. Options set inside source files override command-line options.

These options can be used on the command-line by preceding their name with a ‘-’ character. Inside source files, the OPT tag is used.

Options include:

- IMGXY: Width & height will be added to all image tags. This is the default setting.
- NOIMGXY: Width & height will not be added to image tags (but not removed if already found).
- QUIET: Pre-processor only displays warnings and error messages.
- VERBOSE: Pre-processor displays all informational, warnings, and error messages. This is the default setting.
- DEPEND: Check target file's dependencies before processing. If the input file, or any of the file it may INCLUDE have changed, it will continue and build the output file. Otherwise, a simple informational message will be printed and no action will occur. This is the default setting.
- NODEPEND: Dependency checking will not occur during processing.
- PRECIOUS: Normally, if htp cannot finish processing a file, it will delete the incomplete output file to prevent using it accidentally. However, if this is not desirable, the PRECIOUS option will turn off this behavior.
- CONDENSE: All HTML will be condensed, which is merely stripping it of all linefeeds. HTML does not require any carriage returns or linefeeds, so the format of the output will not be changed. However, file sizes will be somewhat smaller, and should load a little faster, especially over a slow link.
- SEMICONDENSE: This option will strip empty lines from the produced HTML file. Normally this makes the output more readable than when using CONDENSE or NOCONDENSE. This is the default setting.
- NOCONDENSE: This disables condensing the output.
- DELIM: This can be set to either HTML, CURLY or SQUARE. Each setting determines how htp markups should be surrounded in the text. HTML indicates using arrow brackets (‘<’ and ‘>’) just like standard HTML tags. CURLY means tags should be surrounded by curly braces (‘{’ and ‘}’). SQUARE uses square brackets (‘[’ and ‘]’) to surround htp tags. Note that this only applies to the special htp tags and not to the standard HTML tags, including IMG (which htp can process.) The default setting is HTML.
- XML: This options tells htp to produce a XML-style generator tag. Since HTML forbids the generator tag to end with /> but XHTML and XML require it, this flag indicates what to use.

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