Miscellaneous low-level finders

Usage

find_whitespace(items)

find_env(items, envtypes)

find_macro(items, macros)

find_catcode(items, codes)

find_tags(items, tags)

find_char(items, char)

Arguments

items: A list of latex items.
envtypes: Which types of environment to look for.
macros: Which types of macros to look for.
codes: Which codes to look for.
tags: Which tags to look for.
char: Which character to look for.

Value

find_whitespace() returns the indices of whitespace in items.

find_env() returns the indices within items of environments in envtypes.

find_macro() returns the index within items of instances in macros.

find_catcode() returns the index within items. of specials matching code.

find_tags() returns the index within items. of items with tags matching tags.

find_char() returns the index within items of characters matching char. Only characters marked as SPECIAL by the parser will be found.