JPH10187678A - Document processor and its method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To properly set an input character conversion mode according to the contents of an editing document by plurally providing the conversion modes of an inputted character string and investigating the content of the document so as to set a conversion mode based on the content of the investigated document at the time of editing the document according to the set conversion mode. SOLUTION: A random access memory(RAM) 130 functioning as the work memory of CPU 110 is provided with a converting condition setting table 131 for the KANA-KANJI (Japanese syllabary-Chinese character) conversion of inputted characters, an input buffer 132 temporarily storing key input data, an output buffer 133 temporarily storing the result of KANA/KANJI conversion, a text buffer 134 storing the document of an editing object and each area of a program loading area 135. In addition the table 131 is plurally provided with conversion modes at the time of converting inputted character strings. Then the content of the document is investigated and a conversion mode is set based on the content of the investigated document to edit the document according to the set conversion mode.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document processing apparatus and method, and more particularly, to a document processing apparatus that has a plurality of conversion modes for converting an input character string and edits a document according to a set conversion mode. And its method.

[0002]

2. Description of the Related Art Conventionally, in a Japanese word processor,
The kana-kanji conversion mechanism has a mode for selecting ",." And a mode for selecting ",." For the punctuation character type. For conversion of numbers, see “12
Mode to select Arabic numerals like "3 ..."
There was a mode to select Chinese numerals such as "123". In addition, there are modes for sending kana that follow this rule such as “do” and modes that do not follow this rule such as “do”. In general, the user sets these conversion conditions individually by using a conversion condition setting function.

[0003]

However, in the above-mentioned conventional example, when re-editing an existing document, the conversion conditions set in the kana-kanji conversion mechanism and the conversion conditions actually used in the document to be edited. If the rule that is frequently used does not match, it is necessary to change the setting of the kana-kanji conversion mechanism according to the rule in the document to be edited, in consideration of the efficiency of editing. For example, if the setting of the kana-kanji conversion mechanism is a mode for selecting “,.” As the mode of the character type of punctuation marks, and “,.” Is frequently used as punctuation marks in the document to be edited. Normally, the mode should be changed to a mode in which ",." Is selected as the punctuation mark in accordance with the document to be edited. Such adjustment of the conversion condition becomes more troublesome and inconvenient as the number of selectable conversion conditions increases.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a document processing apparatus and a method for automatically setting an input character conversion mode appropriately in accordance with the contents of a document to be edited. And

[0005]

In order to solve the above problems, a document processing apparatus according to the present invention has a plurality of conversion modes for converting an input character string, and edits a document according to a set conversion mode. The processing device is characterized by comprising a document content examination unit for examining the contents of the document, and a conversion mode setting unit for setting a conversion mode based on the contents of the examined document.

According to a preferred embodiment of the present invention, for example, the document content investigating means classifies each element constituting the document into at least two forms, investigates the appearance frequency of each form, and checks the conversion mode. It is desirable that the setting means selects and sets a conversion mode that matches the mode of high frequency of appearance.

[0007] Further, for example, the document content investigation means comprises:
It is desirable to have punctuation mark investigating means for classifying each element constituting the document into at least two forms with respect to the form of punctuation marks and investigating the frequency of appearance of each punctuation mark form.

[0008] Further, for example, the document content examination means includes:
It is desirable to classify each element constituting the document into at least two forms with respect to the number form, and to have a number checking means for checking the appearance frequency of each number form.

[0009] For example, the document content examination means includes:
It is desirable to have a sending kana checking means for classifying each element constituting the sentence into at least two forms with respect to the sending kana form and checking the appearance frequency of each sending kana form.

[0010] For example, it is desirable to further comprise a reading means for reading a document file, and to set a conversion mode based on the reading operation of the document file.

Preferably, the apparatus further comprises a conversion means for converting the input character string in accordance with the set conversion mode.

A document processing apparatus according to the present invention operates based on a program on a memory medium and has a plurality of conversion modes for converting an input character string. And a procedure code for a document content examination step for examining the contents of the document, and a procedure code for a conversion mode setting step for setting the conversion mode based on the contents of the examined document.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram illustrating a system configuration of the document processing apparatus according to the present embodiment. The CPU 110 is a microprocessor that performs calculations and controls for character processing. The CPU 110 includes a control bus (CB) 211, a data bus (DB) 212, and an address bus (AB) 213.
Control each device. The CB 211 is a control bus including a read signal, a write signal, an interrupt signal, and the like. The DB 212 is a data bus that transfers data between the CPU 110 and each device. AB213 is
An address bus for specifying a control target of the CPU 110.

The ROM 120 is a read-only memory, and stores a program to be supplied to the CPU 110 according to the embodiment. This program includes an operating system and a document processing program.
Details of the document processing program will be described later.

The RAM 130 is a random access memory functioning as a work memory for the CPU 110.
NVIRON131, IBUF132, OBUF133
And TBUF 134 and program load area 135
Each region. The ENVIRON 131 is a table (hereinafter, referred to as a conversion condition setting table) for storing kana conversion condition settings for converting input characters into kana-kanji characters. The IBUF 132 is an input buffer for temporarily storing key input data (reading sequence) input by a key, and the OBUF 133 is an output buffer for temporarily storing the result of Kana-Kanji conversion. The TBUF 134 is a text buffer for storing a document to be edited. The load area 135 is, depending on the embodiment, a disk 140.
The document processing program and the like stored in the
An area for supplying the program to the H.110.

A KB 150 is a keyboard including a keyboard interface. In addition to alphabet keys, hiragana keys, katakana keys, and other character symbol input keys,
Various function keys for giving instructions to the document processing apparatus, such as a conversion key, a document reading key, a copy key, and a deletion key, are provided.

The DISK 140 is an external storage unit including a hard disk and a floppy disk. The disk 140 stores document data edited on a text buffer (TBUF) 134, and stores a document processing program described later on a floppy disk or the like. The program can be used to transfer the program to the load area 135 of the RAM 130. The stored document data can be read and used on a text buffer (TBUF) 134 as needed. In the case where the document processing program is supplied from the DISK 140, it is not necessary to store the document processing program in the ROM 120 redundantly.

The cursor register (CR) 160 has a CR
This register stores address information indicating the cursor position displayed by T190. The CPU 110 can change the cursor position by rewriting the address information in the cursor register (CR) 160.

Display buffer memory (DBUF) 170
Is a buffer memory for holding data (excluding cursors) displayed by the CRT 190,
Develops a bitmap image on the display buffer memory (DBUF) 170 with reference to the character generator (CG) 200 and the like.

CRT controller (CRTC) 180
Supplies an image signal to a CRT 190 serving as a display device and supplies a synchronization signal and the like to control the CRT 190 based on information supplied from a cursor register (CR) 160 and a display buffer memory (DBUF) 170. .
The CRT 190 is a display device using a cathode ray tube or the like.
The character generator (CG) 200 is a CRT 19
It generates or holds pattern data of characters and symbols displayed in 0.

In the above configuration, when the user performs a key input via the keyboard (KB) 150, the keyboard (KB) 150 issues an interrupt request to the CPU 110. At this time, the execution of the CPU 110 shifts from the main routine to an interrupt routine for processing a key input, that is, a key input determination routine to be described later.

Next, the configuration of the document processing program according to this embodiment will be described. FIG. 2 is a diagram showing a conceptual configuration example of the document processing program, and its substance can be stored in the ROM 120 or the DISK 140 as described above.

Reference numeral 250 denotes a program module for key input determination processing.
Program modules. A program module 251 is a program module for converting input characters into Kana-Kanji characters. A program module 252 is a program module for setting a conversion condition for Kana-Kanji conversion according to the contents of the document when reading the document. This is a program module related to editing processing (for example, moving, copying, etc.) other than the program modules 251 and 252.

The program module 252 has program modules 261 and 262, and 261 is a DIS
A program module 262 related to a process of reading a document file from the K140 is a program module related to a process of setting a conversion condition according to the content of the read document file.

The program module 262 has program modules 271 to 273 as subroutines. The program module 271 is a program module for setting a punctuation mode according to the form of punctuation present in the read document file. The program module 281 is for detecting the frequency of punctuation in each form.
A program module 282 sets a punctuation mode based on the detected frequency.

The program module 272 is a program module for setting a number conversion mode in accordance with the form of numbers present in the read document file.
Is a program module for detecting the frequency of each type of numeral, and 284 is a program module for setting the number conversion mode based on the detected frequency.

The program module 273 is a program module for setting a sending kana mode according to the form of the kana (present or not) present in the read document file. And 286 are program modules for setting the sending kana mode based on the detected frequency.

FIG. 3 shows an input buffer (IBUF) 132.
3 is a diagram illustrating a conceptual configuration example of an output buffer (OBUF) 133. FIG. Each character in the buffer is composed of, for example, two bytes per character, and is stored, for example, with a code or the like defined in “JIS X0208”. In the figure, “//” represents the key stroke of the conversion key.

FIG. 4 shows a conversion condition setting table (ENVI).
FIG. 3 is a diagram showing a conceptual configuration of an (RON) 131. As shown, the conversion condition setting table (ENVIRON) 131
Is composed of fields of “conversion condition” and “mode setting”. In the field of “conversion condition”, items of conversion conditions that can be set are stored, and in the field of “setting”, mode setting of each conversion condition is stored. The mode setting of each conversion condition means, for example, a conversion rule shown in FIG.

Hereinafter, an operation example of the document processing apparatus will be described with reference to a flowchart.

<Operation Example of Key Input Determination Routine> FIG.
5 is a flowchart showing the flow of processing of a key input determination routine. The process shifts to the key input determination routine by generating an interrupt request from the keyboard (KB) 150 to the CPU 110 when a key input occurs via the keyboard (KB) 150.

First, in step S501, a key input is fetched. In step S502, it is determined what key the input key is, and the process branches based on the result. That is, if the input key is a kana-kanji conversion key ("//" described above), the process proceeds to step S503. If the input key is a document reading key, the process proceeds to step S504. If the input key is another key, the process proceeds to step S505. .

Steps S503 and S504 will be described later. In step S505, based on the key input, an editing operation according to a normal technique such as moving, deleting, or copying a document is performed. Upon completion of the process in the step S503, S504 or S505, the process returns to the main routine.

<Example of Operation of Conversion Processing Routine> FIG. 6 is a flowchart showing the flow of the conversion processing in step S503. In step S601, the input buffer (IB
The reading character string stored in the UF) 132 is divided into phrases, and in step 602, each phrase is converted to kanji by phrase conversion processing. Then, in step S603, the conversion result is output to the output buffer (OBUF) 133.

FIG. 7 is a flowchart showing the flow of the phrase conversion process in step S602. Step S701
Then, Kana-Kanji conversion is performed for each phrase, and “reading” is converted to “Kanji”. In step S702, it is determined whether there is a phrase that has not yet been converted. If there is a phrase that has not been processed, the process returns to step S701. After all the phrases have been converted, the process returns to the conversion processing routine.

FIG. 8 is a flowchart showing the flow of the phrase kana-kanji conversion process in step S701. In step S801, the content of the phrase to be converted is examined, and the process proceeds to any one of steps S802 to S805 or returns to the phrase processing routine according to the content. In this check, for example, first, it is checked whether or not the phrase to be converted includes punctuation marks. If the punctuation marks are included, the process proceeds to step S802.
Is completed, it is checked whether or not the phrase to be converted includes a numeral. If the phrase includes a numeral, the process proceeds to step S803. If the phrase does not include a numeral, or if the process of step S803 is completed, What is necessary is just to carry out in the order of proceeding to step S804.

If punctuation is included, punctuation processing described later is performed in step S802, and step S801 is performed.
Return to If a numeral is included, a numeric conversion process described later is performed in step S803, and the
Return to 1. If the phrase is composed of a verb and a kana, in step S804, a kana process described later is performed, and the process returns to step S801. If the phrase is composed of, for example, a noun (step S802)
Step S8 when processing other than steps S804 to S804 is required).
In step 05, normal kana-kanji conversion is performed, and step S
Return to 801. And a clause that does not require kana-kanji conversion,
Alternatively, when the kana-kanji conversion in steps S802 to S805 is completed, the process returns to the phrase conversion processing routine.

FIG. 9 is a flowchart showing the flow of the punctuation mark processing in step S802. First, step S9
01, the conversion condition setting table (ENVIRON) 1
Referring to FIG. 31, it is determined whether the setting of the punctuation mode is any of modes 0 to 2 (see FIG. 18). If the mode is mode 0, the process advances to step S902 to convert punctuation marks into ",." If the mode is mode 1, the process advances to step S903 to convert punctuation marks into ",." If the mode is mode 2, the process advances to step S904 to convert punctuation marks into ",.".

FIG. 10 is a flowchart showing the flow of the digit conversion process in step S803. First, in step S1001, a conversion condition setting table (ENVIRO) is set.
N) 131, it is determined whether the number conversion mode is mode 0 or mode 1 (see FIG. 18).
If the mode is 0, the process proceeds to step S1002,
Convert numbers to Arabic numerals. If the mode is mode 1, the flow advances to step S1003 to convert the numbers into Chinese numerals.

FIG. 11 is a flowchart showing the flow of the sending kana processing in step S804. First, in step S1101, the conversion condition setting table (ENVIRO)
N) 131, it is determined whether the sending kana mode is mode 0 or mode 1 (see FIG. 18).
If the mode is mode 0, the flow advances to step S1102 to perform kanji conversion having a kana based on this rule.
If the mode is 1, the process proceeds to step S1103,
Performs kanji conversion with a kana that is not based on this rule.

<Operation Example of Document Reading Processing Routine> FIG. 1
2 is a flowchart showing the flow of the document reading process. First, in step S1201, the document file is transferred from the DISK 140 to the text buffer (TBUF) 134.
Read in. Then, a conversion condition setting process is performed based on the contents of the read document file, and the process returns to the key input determination routine.

FIG. 13 is a flowchart showing the flow of the conversion condition setting process in step S1202. In step S1301, punctuation mode setting processing for setting a punctuation mode is performed. In step S1302, a number conversion mode setting process for setting a number conversion mode is performed.
In step S1303, a sending kana mode setting process for setting a sending kana mode is performed. Step S
1301 to S103 need not be performed in this order, and may be performed in any order.

FIG. 14 is a flowchart showing the flow of the punctuation mode setting process in step S1301. First, in step S1401, a punctuation counter A, a reading counter B, a comma counter X, and a period counter Y are initialized to zero.

In step S1402, punctuation is searched from the document file read into the text buffer (TBUF) 134, and the process proceeds to any one of steps S1403 to S1406 in accordance with the type (,...) Of the punctuation found. . If there are no punctuation marks, step S1408
Proceed to.

If the found punctuation mark is "," 1 is added to the counter A in step S1403. If it is ".", 1 is added to the counter B in step S1404. If it is "," 1 is added to the counter X in step S1405. If it is ".", 1 is added to the counter Y in step S1406.

In step S1407, it is determined whether or not the next character (character that has not been searched) exists in the document file read into the text buffer (TBUF) 134. If the next character exists, Returning to step S1402, punctuation is further searched. If the next character does not exist, the process advances to step S1408.

In step S1408, the respective values of counters A and X are compared, and if A ≧ X, step S1410
To the conversion condition setting table (ENVIRON) 13
The punctuation mode of 1 is set to mode 0 (that is, “,.”). On the other hand, if A <X, the flow advances to step S1409 to compare the values of the counters B and Y. And B
If ≧ Y, the process proceeds to step S1411, and the punctuation mode of the conversion condition setting table (ENVIRON) 131 is set to mode 1 (that is, “,.”). If B <Y, the process proceeds to step S1412 to set the conversion condition. Set the punctuation mode of the table (ENVIRON) 131 to mode 2
(That is, “,.”).

FIG. 15 is a flowchart showing the flow of the number conversion mode setting process. First, step S150
At 1, the counters X and Y are initialized to 0. In step S1502, the text buffer (TBUF) 13
In step S1503 or S1504, the process proceeds to step S1503 or S1504 in accordance with the type of the numeral (Arabic numeral or Chinese numeral) searched for a numeral from the document file read in step S4. If there is no numeral, the process proceeds to step S1506.

Then, the found numbers are 0, 1, 2,.
If it is an Arabic numeral such as 1, the counter X is incremented by 1 in step S1503. Also, one, two, three ...
If it is a Chinese numeral such as "1", 1 is added to the counter Y in step S1504. In step S1505, it is determined whether or not the next character (unsearched character) exists in the document file read into the text buffer (TBUF) 134. If the next character exists, step S1 is performed.
Returning to 502, the number is further searched.

In step S1506, the values of counters X and Y are compared, and if X> Y, step S1507
To the conversion condition setting table (ENVIRON) 13
The number conversion mode of 1 is set to mode 0 (ie, Arabic numerals). On the other hand, if X ≦ Y, step S15
08, the conversion condition setting table (ENVIRON)
The number conversion mode of 131 is set to mode 1 (that is, Chinese numerals).

FIG. 16 is a flowchart showing the flow of the sending kana mode setting process. First, step S160
At 1, the counters X and Y are initialized to 0. In step S1602, the text buffer (TBUF) 134
For example, an index word as shown in FIG.

In step S1603, it is determined whether or not an index word exists. If an index word is found, the process proceeds to step S1604. If there is no index word, or if processing related to the index word has been completed, step S1603 is performed. S1607
Proceed to.

In step S1604, it is determined whether the kana sentence of the found index word is the main rule, and if it is the main rule, 1 is added to the counter X in step S1605. On the other hand, if it is not the main rule, the process proceeds to step S1606,
1 is added to the counter Y. Step S1605 or S
Upon completion of the process in 1606, the process returns to step S1602 to search for an index word.

When the above processing is completed for all index words, in step S1607, the counter X
And Y are compared. As a result, if X ≧ Y, the process proceeds to step S1608, where the conversion condition setting table (EN
VIRON) 131 is set to mode 0 (that is, priority is given to the transmission kana according to the present rule). on the other hand,
If X <Y, the flow advances to step S1609 to set the transmission kana mode of the conversion condition setting table (ENVIRON) 131 to mode 1 (that is, the transmission kana priority other than the main rule).

As described above, when a document file is read, the contents of the document are examined, and the conversion conditions are changed according to the contents. This eliminates the burden of setting conversion conditions in combination, and can improve the efficiency of document editing.

<Examples of Other Conversion Conditions> In the above description, three conversion conditions of “punctuation mode”, “numeric conversion mode”, and “kana mode” have been described as being selectable. The same can be applied to other conversion conditions. For example, a "field-specific conversion mode" that changes the dictionary used in kana-kanji conversion by classifying words used in a document by field and collecting statistics.
May be provided.

Examples of character string conversion include machine translation in addition to kana-kanji conversion. For example, in the case of a machine translation system that translates a document input in English into Japanese, etc., for example, a conversion condition that considers the tone such as whether to perform colloquial translation or literary translation, for example, By reading a translation result having the same kind of content or a document that can be a sample, the conversion conditions can be automatically set in the same manner as described above. Further, for example, in the translation of a conversational sentence, a conversion condition in consideration of gender and tone such as whether or not to use a female language can be automatically set by the same processing as described above.

The present invention can be applied to a system including a plurality of devices (for example, a host computer, an interface device, a reader, a printer, etc.), and can be applied to a single device (for example, a copier, Facsimile machine, etc.). Further, an object of the present invention is to provide a storage medium storing a program code of software for realizing the functions of the above-described embodiments to a system or an apparatus, and a computer (or CPU or MPU) of the system or apparatus to store the storage medium. Needless to say, this can also be achieved by reading and executing the program code stored in the program.

In this case, the program code itself read from the storage medium realizes the functions of the above-described embodiment, and the storage medium storing the program code constitutes the present invention.

As a storage medium for supplying the program code, for example, a floppy disk, hard disk, optical disk, magneto-optical disk, CD-ROM, CD
-R, a magnetic tape, a nonvolatile memory card, a ROM, or the like can be used.

When the computer executes the readout program code, not only the functions of the above-described embodiment are realized, but also the OS (Operating System) running on the computer based on the instruction of the program code. ) May perform some or all of the actual processing, and the processing may realize the functions of the above-described embodiments.

Further, after the program code read from the storage medium is written into a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer, based on the instructions of the program code, It goes without saying that the CPU included in the function expansion board or the function expansion unit performs part or all of the actual processing, and the processing realizes the functions of the above-described embodiments.

[0063]

As described above, according to the present invention, the conversion mode of input characters can be appropriately and automatically set according to the contents of a document to be edited, and the efficiency of document editing can be increased. it can.

[0064]

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a system configuration of a document processing apparatus according to an embodiment.

FIG. 2 is a diagram illustrating a conceptual configuration example of a document processing program.

FIG. 3 is a diagram illustrating a conceptual configuration example of an input buffer and an output buffer.

FIG. 4 is a diagram showing a conceptual configuration of a conversion condition setting table.

FIG. 5 is a flowchart showing a flow of processing of a key input determination routine.

FIG. 6 is a flowchart showing a flow of processing of a conversion processing routine.

FIG. 7 is a flowchart illustrating a flow of a phrase conversion process.

FIG. 8 is a flowchart illustrating a flow of a phrase kana-kanji conversion process.

FIG. 9 is a flowchart showing the flow of punctuation processing.

FIG. 10 is a flowchart showing the flow of a number conversion process.

FIG. 11 is a flowchart showing the flow of a sending kana process.

FIG. 12 is a flowchart illustrating a flow of a document reading process.

FIG. 13 is a flowchart illustrating a flow of a conversion condition setting process.

FIG. 14 is a flowchart showing the flow of a punctuation mode setting process.

FIG. 15 is a flowchart illustrating a flow of a number conversion mode setting process.

FIG. 16 is a flowchart illustrating a flow of a sending kana mode setting process.

FIG. 17 is a diagram showing an example of an index word for determining a sentence kana.

FIG. 18 is a diagram illustrating modes related to conversion conditions.

[Explanation of symbols]

 131 Conversion condition setting table 132 Input buffer 133 Output buffer 134 Text buffer 140 External storage unit

Claims (15)

[Claims] 1. A document processing apparatus having a plurality of conversion modes for converting an input character string and editing a document in accordance with a set conversion mode, comprising: a document content inspection unit for inspecting the contents of the document; And a conversion mode setting means for setting a conversion mode based on the content of the generated document. 2. The document content investigating means classifies each of the elements constituting the document into at least two forms, and investigates the appearance frequency of each form. 2. The document processing apparatus according to claim 1, wherein a matching conversion mode is selected and set. 3. The document content investigating means includes a punctuation mark investigating means for classifying each element constituting the document into at least two forms with respect to the form of punctuation marks and examining the appearance frequency of each punctuation form. 3. The document processing apparatus according to claim 2, wherein 4. The document content examination means has a number examination means for classifying each element constituting the document into at least two forms with respect to the number form and examining the appearance frequency of each number form. 3. The document processing apparatus according to claim 2, wherein 5. The document content checking means includes sending kana checking means for classifying each element constituting the sentence into at least two forms with respect to the form of sending kana and checking the appearance frequency of each form of sending kana. 3. The document processing apparatus according to claim 2, wherein: 6. The method according to claim 1, further comprising reading means for reading a document file, wherein a conversion mode is set based on an operation of reading the document file.
The document processing device according to any one of the preceding claims. 7. The document processing apparatus according to claim 1, further comprising a conversion unit configured to convert an input character string according to a set conversion mode. 8. A document processing device that operates based on a program on a memory medium and has a plurality of conversion modes for converting an input character string, wherein the memory medium is a document content for examining the content of a document. A document processing apparatus comprising: a procedure code of an investigation step; and a procedure code of a conversion mode setting step of setting a conversion mode based on the content of a document examined. 9. A document processing method having a plurality of conversion modes for converting an input character string and editing a document according to a set conversion mode, comprising: a document content inspection step of inspecting the contents of the document; A conversion mode setting step of setting a conversion mode based on the content of the document. 10. The document content examination step classifies each element constituting the document into at least two forms, and investigates the appearance frequency of each form. The conversion mode setting step includes: 10. The document processing method according to claim 9, wherein a matching conversion mode is selected and set. 11. The document content examination step includes punctuation mark examination means for classifying each element constituting the document into at least two forms with respect to the form of punctuation marks, and examining the appearance frequency of each form of punctuation marks. The document processing method according to claim 10, wherein 12. The document content examination step includes a number examination step of classifying each element constituting the document into at least two forms with respect to the number form and examining the appearance frequency of each number form. The document processing method according to claim 10, wherein 13. The document content checking step includes sending kana checking means for classifying each element constituting a sentence into at least two forms with respect to the form of sending kana and checking the appearance frequency of each form of sending kana. 11. The method according to claim 10, wherein
Document processing method described. 14. The method according to claim 9, further comprising a reading step of reading a document file, wherein the conversion mode is set based on the reading operation of the document file. Document processing method described. 15. The document processing method according to claim 9, further comprising a conversion step of converting an input character string according to a set conversion mode.