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diff --git a/libraries/eina/src/include/eina_ustrbuf.h b/libraries/eina/src/include/eina_ustrbuf.h
deleted file mode 100644
index 9710c42..0000000
--- a/libraries/eina/src/include/eina_ustrbuf.h
+++ /dev/null
@@ -1,464 +0,0 @@
-#ifndef EINA_USTRBUF_H
-#define EINA_USTRBUF_H
-
-#include <stddef.h>
-
-#include "eina_types.h"
-#include "eina_unicode.h"
-
-/**
- * @addtogroup Eina_Unicode_String_Buffer_Group Unicode String Buffer
- *
- * @brief These functions provide unicode string buffers management.
- *
- * The Unicode String Buffer data type is designed to be a mutable string,
- * allowing to append, prepend or insert a string to a buffer.
- */
-
-/**
- * @addtogroup Eina_Data_Types_Group Data Types
- *
- * @{
- */
-
-/**
- * @defgroup Eina_Unicode_String_Buffer_Group Unicode String Buffer
- *
- * @{
- */
-
-/**
- * @typedef Eina_UStrbuf
- * Type for a string buffer.
- */
-typedef struct _Eina_Strbuf Eina_UStrbuf;
-
-/**
- * @brief Create a new string buffer.
- *
- * @return Newly allocated string buffer instance.
- *
- * This function creates a new string buffer. On error, @c NULL is
- * returned and Eina error is set to #EINA_ERROR_OUT_OF_MEMORY. To
- * free the resources, use eina_ustrbuf_free().
- *
- * @see eina_ustrbuf_free()
- * @see eina_ustrbuf_append()
- * @see eina_ustrbuf_string_get()
- */
-EAPI Eina_UStrbuf *eina_ustrbuf_new(void) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
-
-/**
- * @brief Create a new string buffer using the passed string. The passed
- * string is used directly as the buffer, it's somehow the opposite function of
- * @ref eina_ustrbuf_string_steal . The passed string must be malloced.
- *
- * @param str the string to manage
- * @return Newly allocated string buffer instance.
- *
- * This function creates a new string buffer. On error, @c NULL is
- * returned and Eina error is set to #EINA_ERROR_OUT_OF_MEMORY. To
- * free the resources, use eina_strbuf_free().
- *
- * @see eina_ustrbuf_free()
- * @see eina_ustrbuf_append()
- * @see eina_ustrbuf_string_get()
- * @since 1.1.0
- */
-EAPI Eina_UStrbuf *eina_ustrbuf_manage_new(Eina_Unicode *str) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
-
-/**
- * @brief Create a new string buffer using the passed string. The passed
- * string is used directly as the buffer, it's somehow the opposite function of
- * @ref eina_ustrbuf_string_steal . The passed string must be malloced.
- *
- * @param str the string to manage
- * @param length the length of the string.
- * @return Newly allocated string buffer instance.
- *
- * This function creates a new string buffer. On error, @c NULL is
- * returned and Eina error is set to #EINA_ERROR_OUT_OF_MEMORY. To
- * free the resources, use eina_ustrbuf_free().
- *
- * @see eina_ustrbuf_manage_new()
- * @since 1.2.0
- */
-EAPI Eina_UStrbuf *eina_ustrbuf_manage_new_length(Eina_Unicode *str, size_t length) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
-
-/**
- * @brief Free a string buffer.
- *
- * @param buf The string buffer to free.
- *
- * This function frees the memory of @p buf. @p buf must have been
- * created by eina_ustrbuf_new().
- */
-EAPI void eina_ustrbuf_free(Eina_UStrbuf *buf) EINA_ARG_NONNULL(1);
-
-/**
- * @brief Reset a string buffer.
- *
- * @param buf The string buffer to reset.
- *
- * This function reset @p buf: the buffer len is set to 0, and the
- * string is set to '\\0'. No memory is free'd.
- */
-EAPI void eina_ustrbuf_reset(Eina_UStrbuf *buf) EINA_ARG_NONNULL(1);
-
-/**
- * @brief Append a string to a buffer, reallocating as necessary.
- *
- * @param buf The string buffer to append to.
- * @param str The string to append.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function appends @p str to @p buf. It computes the length of
- * @p str, so is slightly slower than eina_ustrbuf_append_length(). If
- * the length is known beforehand, consider using that variant. If
- * @p buf can't append it, #EINA_FALSE is returned, otherwise
- * #EINA_TRUE is returned.
- *
- * @see eina_ustrbuf_append()
- * @see eina_ustrbuf_append_length()
- */
-EAPI Eina_Bool eina_ustrbuf_append(Eina_UStrbuf *buf, const Eina_Unicode *str) EINA_ARG_NONNULL(1, 2);
-
-/**
- * @brief Append an escaped string to a buffer, reallocating as necessary.
- *
- * @param buf The string buffer to append to.
- * @param str The string to append.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function appends the escaped string @p str to @p buf. If @p
- * str can not be appended, #EINA_FALSE is returned, otherwise,
- * #EINA_TRUE is returned.
- */
-EAPI Eina_Bool eina_ustrbuf_append_escaped(Eina_UStrbuf *buf, const Eina_Unicode *str) EINA_ARG_NONNULL(1, 2);
-
-/**
- * @brief Append a string to a buffer, reallocating as necessary,
- * limited by the given length.
- *
- * @param buf The string buffer to append to.
- * @param str The string to append.
- * @param maxlen The maximum number of characters to append.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function appends at most @p maxlen characters of @p str to
- * @p buf. It can't appends more than the length of @p str. It
- * computes the length of @p str, so is slightly slower than
- * eina_ustrbuf_append_length(). If the length is known beforehand,
- * consider using that variant (@p maxlen should then be checked so
- * that it is greater than the size of @p str). If @p str can not be
- * appended, #EINA_FALSE is returned, otherwise, #EINA_TRUE is
- * returned.
- *
- * @see eina_ustrbuf_append()
- * @see eina_ustrbuf_append_length()
- */
-EAPI Eina_Bool eina_ustrbuf_append_n(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t maxlen) EINA_ARG_NONNULL(1, 2);
-
-/**
- * @brief Append a string of exact length to a buffer, reallocating as necessary.
- *
- * @param buf The string buffer to append to.
- * @param str The string to append.
- * @param length The exact length to use.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function appends @p str to @p buf. @p str must be of size at
- * most @p length. It is slightly faster than eina_ustrbuf_append() as
- * it does not compute the size of @p str. It is useful when dealing
- * with strings of known size, such as eina_strngshare. If @p buf
- * can't append it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
- * returned.
- *
- * @see eina_stringshare_length()
- * @see eina_ustrbuf_append()
- * @see eina_ustrbuf_append_n()
- */
-EAPI Eina_Bool eina_ustrbuf_append_length(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t length) EINA_ARG_NONNULL(1, 2);
-
-/**
- * @brief Append a character to a string buffer, reallocating as
- * necessary.
- *
- * @param buf The string buffer to append to.
- * @param c The char to append.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function inserts @p c to @p buf. If it can not insert it,
- * #EINA_FALSE is returned, otherwise #EINA_TRUE is returned.
- */
-EAPI Eina_Bool eina_ustrbuf_append_char(Eina_UStrbuf *buf, Eina_Unicode c) EINA_ARG_NONNULL(1);
-
-/**
- * @brief Insert a string to a buffer, reallocating as necessary.
- *
- * @param buf The string buffer to insert.
- * @param str The string to insert.
- * @param pos The position to insert the string.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function inserts @p str to @p buf at position @p pos. It
- * computes the length of @p str, so is slightly slower than
- * eina_ustrbuf_insert_length(). If  the length is known beforehand,
- * consider using that variant. If @p buf can't insert it, #EINA_FALSE
- * is returned, otherwise #EINA_TRUE is returned.
- */
-EAPI Eina_Bool eina_ustrbuf_insert(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t pos) EINA_ARG_NONNULL(1, 2);
-
-/**
- * @brief Insert an escaped string to a buffer, reallocating as
- * necessary.
- *
- * @param buf The string buffer to insert to.
- * @param str The string to insert.
- * @param pos The position to insert the string.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function inserts the escaped string @p str to @p buf at
- * position @p pos. If @p buf can't insert @p str, #EINA_FALSE is
- * returned, otherwise #EINA_TRUE is returned.
- */
-EAPI Eina_Bool eina_ustrbuf_insert_escaped(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t pos) EINA_ARG_NONNULL(1, 2);
-
-/**
- * @brief Insert a string to a buffer, reallocating as necessary. Limited by maxlen.
- *
- * @param buf The string buffer to insert to.
- * @param str The string to insert.
- * @param maxlen The maximum number of chars to insert.
- * @param pos The position to insert the string.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function inserts @p str ot @p buf at position @p pos, with at
- * most @p maxlen bytes. The number of inserted characters can not be
- * greater than the length of @p str. It computes the length of
- * @p str, so is slightly slower than eina_ustrbuf_insert_length(). If the
- * length is known beforehand, consider using that variant (@p maxlen
- * should then be checked so that it is greater than the size of
- * @p str). If @p str can not be inserted, #EINA_FALSE is returned,
- * otherwise, #EINA_TRUE is returned.
- */
-EAPI Eina_Bool eina_ustrbuf_insert_n(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t maxlen, size_t pos) EINA_ARG_NONNULL(1, 2);
-
-/**
- * @brief Insert a string of exact length to a buffer, reallocating as necessary.
- *
- * @param buf The string buffer to insert to.
- * @param str The string to insert.
- * @param length The exact length to use.
- * @param pos The position to insert the string.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function inserts @p str to @p buf. @p str must be of size at
- * most @p length. It is slightly faster than eina_ustrbuf_insert() as
- * it does not compute the size of @p str. It is useful when dealing
- * with strings of known size, such as eina_strngshare. If @p buf
- * can't insert it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
- * returned.
- *
- * @see eina_stringshare_length()
- * @see eina_ustrbuf_insert()
- * @see eina_ustrbuf_insert_n()
- */
-EAPI Eina_Bool eina_ustrbuf_insert_length(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t length, size_t pos) EINA_ARG_NONNULL(1, 2);
-
-/**
- * @brief Insert a character to a string buffer, reallocating as
- * necessary.
- *
- * @param buf The string buffer to insert to.
- * @param c The char to insert.
- * @param pos The position to insert the char.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function inserts @p c to @p buf at position @p pos. If @p buf
- * can't append it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
- * returned.
- */
-EAPI Eina_Bool eina_ustrbuf_insert_char(Eina_UStrbuf *buf, Eina_Unicode c, size_t pos) EINA_ARG_NONNULL(1);
-
-/**
- * @def eina_ustrbuf_prepend(buf, str)
- * @brief Prepend the given string to the given buffer
- *
- * @param buf The string buffer to prepend to.
- * @param str The string to prepend.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This macro is calling eina_ustrbuf_insert() at position 0.If @p buf
- * can't prepend it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
- * returned.
- */
-#define eina_ustrbuf_prepend(buf, str)                eina_ustrbuf_insert(buf, str, 0)
-
-/**
- * @def eina_ustrbuf_prepend_escaped(buf, str)
- * @brief Prepend the given escaped string to the given buffer
- *
- * @param buf The string buffer to prepend to.
- * @param str The string to prepend.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This macro is calling eina_ustrbuf_insert_escaped() at position 0. If
- * @p buf can't prepend it, #EINA_FALSE is returned, otherwise
- * #EINA_TRUE is returned.
- */
-#define eina_ustrbuf_prepend_escaped(buf, str)        eina_ustrbuf_insert_escaped(buf, str, 0)
-
-/**
- * @def eina_ustrbuf_prepend_n(buf, str)
- * @brief Prepend the given escaped string to the given buffer
- *
- * @param buf The string buffer to prepend to.
- * @param str The string to prepend.
- * @param maxlen The maximum number of Eina_Unicode *s to prepend.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This macro is calling eina_ustrbuf_insert_n() at position 0. If
- * @p buf can't prepend it, #EINA_FALSE is returned, otherwise
- * #EINA_TRUE is returned.
- */
-#define eina_ustrbuf_prepend_n(buf, str, maxlen)      eina_ustrbuf_insert_n(buf, str, maxlen, 0)
-
-/**
- * @def eina_ustrbuf_prepend_length(buf, str)
- * @brief Prepend the given escaped string to the given buffer
- *
- * @param buf The string buffer to prepend to.
- * @param str The string to prepend.
- * @param length The exact length to use.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This macro is calling eina_ustrbuf_insert_length() at position 0. If
- * @p buf can't prepend it, #EINA_FALSE is returned, otherwise
- * #EINA_TRUE is returned.
- */
-#define eina_ustrbuf_prepend_length(buf, str, length) eina_ustrbuf_insert_length(buf, str, length, 0)
-
-/**
- * @def eina_ustrbuf_prepend_char(buf, c)
- * @brief Prepend the given unicode character to the given buffer
- *
- * @param buf The string buffer to prepend to.
- * @param c The Eina_Unicode character to prepend.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This macro is calling eina_ustrbuf_insert_Eina_Unicode *() at position 0. If
- * @p buf can't prepend it, #EINA_FALSE is returned, otherwise
- * #EINA_TRUE is returned.
- */
-#define eina_ustrbuf_prepend_char(buf, c) eina_ustrbuf_insert_char(buf, c, 0)
-
-/**
- * @def eina_ustrbuf_prepend_printf(buf, fmt, ...)
- * @brief Prepend the given string to the given buffer
- *
- * @param buf The string buffer to prepend to.
- * @param fmt The string to prepend.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This macro is calling eina_ustrbuf_insert_printf() at position 0.If @p buf
- * can't prepend it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
- * returned.
- */
-#define eina_ustrbuf_prepend_printf(buf, fmt, ...)   eina_ustrbuf_insert_printf(buf, fmt, 0, ## __VA_ARGS__)
-
-/**
- * @def eina_ustrbuf_prepend_vprintf(buf, fmt, args)
- * @brief Prepend the given string to the given buffer
- *
- * @param buf The string buffer to prepend to.
- * @param fmt The string to prepend.
- * @param args The variable arguments.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This macro is calling eina_ustrbuf_insert_vprintf() at position 0.If @p buf
- * can't prepend it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
- * returned.
- */
-#define eina_ustrbuf_prepend_vprintf(buf, fmt, args) eina_ustrbuf_insert_vprintf(buf, fmt, 0, args)
-
-/**
- * @brief Remove a slice of the given string buffer.
- *
- * @param buf The string buffer to remove a slice.
- * @param start The initial (inclusive) slice position to start
- *        removing, in bytes.
- * @param end The final (non-inclusive) slice position to finish
- *        removing, in bytes.
- * @return #EINA_TRUE on success, #EINA_FALSE on failure.
- *
- * This function removes a slice of @p buf, starting at @p start
- * (inclusive) and ending at @p end (non-inclusive). Both values are
- * in bytes. It returns #EINA_FALSE on failure, #EINA_TRUE otherwise.
- */
-EAPI Eina_Bool
-eina_ustrbuf_remove(Eina_UStrbuf *buf, size_t start, size_t end) EINA_ARG_NONNULL(1);
-
-/**
- * @brief Retrieve a pointer to the contents of a string buffer
- *
- * @param buf The string buffer.
- * @return The current string in the string buffer.
- *
- * This function returns the string contained in @p buf. The returned
- * value must not be modified and will no longer be valid if @p buf is
- * modified. In other words, any eina_ustrbuf_append() or similar will
- * make that pointer invalid.
- *
- * @see eina_ustrbuf_string_steal()
- */
-EAPI const Eina_Unicode *
-eina_ustrbuf_string_get(const Eina_UStrbuf *buf) EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
-
-/**
- * @brief Steal the contents of a string buffer.
- *
- * @param buf The string buffer to steal.
- * @return The current string in the string buffer.
- *
- * This function returns the string contained in @p buf. @p buf is
- * then initialized and does not own the returned string anymore. The
- * caller must release the memory of the returned string by calling
- * free().
- *
- * @see eina_ustrbuf_string_get()
- */
-EAPI Eina_Unicode *
-eina_ustrbuf_string_steal(Eina_UStrbuf *buf) EINA_MALLOC EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
-
-/**
- * @brief Free the contents of a string buffer but not the buffer.
- *
- * @param buf The string buffer to free the string of.
- *
- * This function frees the string contained in @p buf without freeing
- * @p buf.
- */
-EAPI void
-eina_ustrbuf_string_free(Eina_UStrbuf *buf) EINA_ARG_NONNULL(1);
-
-/**
- * @brief Retrieve the length of the string buffer content.
- *
- * @param buf The string buffer.
- * @return The current length of the string, in bytes.
- *
- * This function returns the length of @p buf.
- */
-EAPI size_t
-eina_ustrbuf_length_get(const Eina_UStrbuf *buf) EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#endif /* EINA_STRBUF_H */