17  US  6,958,208  B2  18  *  *  *  *  *  wherein  R$_{3 }$ is a substituted or unsubstituted alkyl group  having 1 to 5 carbon atoms, and  M  is hydrogen or a  monovalent cation.  8.  The method of claim  5  wherein said polyphosphonic  acid ( or a salt thereof) is a compound that is represented by  the following Structure II:  wherein  L, L’, L$_{1}$ ,  L$_{2}$ ,  L$_{3}$ ,  L$_{4 }$ and  L$_{5 }$ are independently  substituted or unsubstituted divalent aliphatic linking  groups, each independently having 1 to 4 carbon, oxygen,  sulfur or nitrogen atoms in the linking group chain, and  M  is hydrogen or a monovalent cation.  16. A  method for providing a color photographic image  comprising:  15.  The method of claim  1  wherein said acidic stop  solution is carried over into said bleaching composition at a  rate of from about 0.000005 to about 0.001 ml per m 2  of  processed photographic material.  7. The method of claim  5  wherein said polyaminopoly- phosphonic acid ( or a salt thereof) is a compound that is  represented by the following Structure I:  14.  The method of claim  1  wherein said bleaching com› position is a bleach-fixing composition.  13.  The method of claim  1  that is carried out in a minilab.  12.  The method of claim  1  wherein said color photo› graphic material is a color photographic paper or a color  negative film.  11.  The method of claim  1  wherein said color developing  composition comprises a color developing agent that is  present in an amount of at from about 0.0005 to about 0.25  mol/1, and an antioxidant that is a monoalkyl- or dialkylhy› droxylamine derivative that is present in an amount of at  least 0.0005 mol/1.  6.  The method of claim  5  wherein said diphosphonic acid  ( or a salt thereof) is a hydroxyalkylidene diphosphonic acid  ( or a salt thereof), aminodiphosphonic acid ( or a salt  thereof), amino-N,N-dimethylenephosphonic acid (or a salt  thereof), or N-acyl aminodiphosphonic acid (or a salt  thereof).  5.  The method of claim  1  wherein said polyphosphonic  acid ( or a salt thereof) is a diphosphonic acid ( or a salt  thereof), polyaminopolyphosphonic acid ( or a salt thereof),  or cyclicaminodiphosphonic acid ( or a salt thereof).  4.  The method of claim  1  wherein said acidic stop solution  has a pH of from about 1 to about 4.8.  10.  The method of claim  9  wherein said cyclicami› nomethanediphosphonic acid (or a salt thereof) is morpholi› nomethanediphosphonic acid ( or a salt thereof).  9.  The method of claim  5  wherein said polyphosphonic  acid ( or a salt thereof) is a cyclicaminodiphosphonic acid ( or  a salt thereof) wherein the cyclicamino group comprises a  substituted or unsubstituted 3- to 6-membered ring that is  attached to a methyl group that includes two phosphonic  acids ( or salts thereof).  3.  The method of claim  1  wherein said polyphosphonic  acid ( or a salt thereof) is present in said acidic stop solution  in an amount of from about 0.001 to about 1 mol/1.  2.  The method of claim  1  wherein said acidic stop solution  further comprises a heterocyclic, aliphatic, or aromatic thiol.  and a portion of said stop solution is carried over into  said bleaching composition at a rate so that the amount  of said polyphosphonic acid ( or salt thereof) carried  over into said bleaching composition is from about  0.000005 to about 0.001 mol per m $^{2 }$of processed color  photographic material.  A)  color developing an imagewise exposed color negative  photographic film or color photographic paper using a  color developing composition comprising at least  0.0005 mol/1 of a color developing agent and at least  0.0005 mol/1 of an organic antioxidant,  B)  stopping color development by contacting said color  photographic material with an acidic stop solution  having a  pH  of from about 1 to about 5, and comprising  from about 0.001 to about 1 mol/1 of morpholi› nomethanediphosphonic acid ( or a salt thereof) and  from about 0.0005 to about 0.5 mol/1 of L-cysteine or  2-dimethy laminoethanethiol-H Cl,  C) bleaching said color negative photographic film or  color photographic paper with a peroxide or persulfate  photographic bleaching composition, and  D) subsequently or simultaneously, fixing said bleached  color negative photographic film or color photographic  paper,  wherein said acidic stop solution is carried over into said  bleaching composition at a rate such that said mor› pholinomethanediphosphonic acid ( or a salt thereof) is  carried over to said bleaching composition in an  amount of from about 0.000005 to about 0.001 mol per  m 2  of processed color negative photographic film or  color photographic paper.  (I) (II) 