Je ne vais pas répondre à ta question, @Centaure, mais sur mon installation 2.6.2, les tailles A5 et A6 sont bien là parmi des 10aines d'autres...
Ne serait-ce pas lié aux tailles connues sur la/les imprimantes installées sur la bécane ?
Code :
$ dt -d print
3,605872 [print] new media paper 0 76,20 x 127,00 (na_index-3x5_3x5in) (3x5)
3,605897 [print] new media paper 3 89,92 x 204,98 (jpn_chou4_90x205mm) (EnvChou4)
3,605903 [print] new media paper 5 92,20 x 165,10 (na_personal_3.625x6.5in) (EnvPersonal)
3,605909 [print] new media paper 7 98,43 x 190,50 (na_monarch_3.875x7.5in) (EnvMonarch)
3,605913 [print] new media paper 8 99,84 x 148,17 (jpn_hagaki_100x148mm) (Postcard)
3,605920 [print] new media paper 14 101,60 x 152,40 (na_index-4x6_4x6in) (4x6)
3,605925 [print] new media paper 17 104,78 x 241,30 (na_number-10_4.125x9.5in) (Env10)
3,605930 [print] new media paper 18 104,90 x 148,08 (iso_a6_105x148mm) (A6)
3,605935 [print] new media paper 20 109,98 x 219,96 (iso_dl_110x220mm) (EnvDL)
3,605939 [print] new media paper 21 111,00 x 146,05 (na_a2_4.375x5.75in) (EnvA2)
3,605945 [print] new media paper 23 114,05 x 162,05 (iso_c6_114x162mm) (EnvC6)
3,605949 [print] new media paper 24 119,89 x 234,95 (jpn_chou3_120x235mm) (EnvChou3)
3,605955 [print] new media paper 25 127,00 x 177,80 (na_5x7_5x7in) (5x7)
3,605961 [print] new media paper 27 127,00 x 203,20 (na_index-5x8_5x8in) (5x8)
3,605966 [print] new media paper 31 139,70 x 215,90 (na_invoice_5.5x8.5in) (Statement)
3,605972 [print] new media paper 33 148,08 x 210,06 (iso_a5_148x210mm) (A5)
3,605977 [print] new media paper 35 162,05 x 229,11 (iso_c5_162x229mm) (EnvC5)
3,605985 [print] new media paper 38 176,02 x 249,94 (iso_b5_176x250mm) (ISOB5)
3,605991 [print] new media paper 40 182,00 x 257,00 (jis_b5_182x257mm) (B5)
3,605998 [print] new media paper 46 184,15 x 266,70 (na_executive_7.25x10.5in) (Executive)
3,606008 [print] new media paper 52 203,20 x 254,00 (na_govt-letter_8x10in) (8x10)
3,606013 [print] new media paper 54 210,00 x 297,00 (iso_a4_210x297mm) (A4)
3,606020 [print] new media paper 60 215,90 x 279,40 (na_letter_8.5x11in) (Letter)
3,606025 [print] new media paper 64 215,90 x 330,20 (na_foolscap_8.5x13in) (FanFoldGermanLegal)
3,606030 [print] new media paper 65 215,90 x 355,60 (na_legal_8.5x14in) (Legal)
3,607492 [print] new ppd paper 0 76,20 x 127,00 (Card3x5) (Card3x5)
3,607501 [print] new ppd paper 1 101,60 x 152,40 (Card4x6) (Card4x6)
3,607506 [print] new ppd paper 2 76,20 x 127,00 (Photo3x5) (Photo3x5)
3,607510 [print] new ppd paper 3 76,20 x 127,00 (Photo3x5.FB) (Photo3x5.FB)
3,607515 [print] new ppd paper 4 101,60 x 152,40 (Photo4x6) (Photo4x6)
3,607519 [print] new ppd paper 5 101,60 x 152,40 (Photo4x6.FB) (Photo4x6.FB)
3,607523 [print] new ppd paper 7 104,90 x 148,08 (A6.FB) (A6.FB)
3,607528 [print] new ppd paper 8 100,00 x 148,00 (Hagaki) (Hagaki)
3,607532 [print] new ppd paper 9 100,00 x 148,00 (Hagaki.FB) (Hagaki.FB)
3,607536 [print] new ppd paper 10 99,84 x 148,17 (Hagaki.Duplex) (Hagaki.Duplex)
3,607541 [print] new ppd paper 11 127,00 x 177,80 (Photo5x7) (Photo5x7)
3,607545 [print] new ppd paper 12 127,00 x 177,80 (Photo5x7.FB) (Photo5x7.FB)
3,607549 [print] new ppd paper 13 127,00 x 203,20 (Card5x8) (Card5x8)
3,607553 [print] new ppd paper 14 127,00 x 203,20 (Card5x8.FB) (Card5x8.FB)
3,607558 [print] new ppd paper 16 148,08 x 210,06 (A5.FB) (A5.FB)
3,607562 [print] new ppd paper 17 199,90 x 148,08 (Oufuku) (Oufuku)
3,607566 [print] new ppd paper 18 199,90 x 148,08 (Oufuku.FB) (Oufuku.FB)
3,607570 [print] new ppd paper 19 215,90 x 330,20 (8.5x13) (8.5x13)
3,607575 [print] new ppd paper 21 176,02 x 246,76 (B5.Duplex) (B5.Duplex)
3,607579 [print] new ppd paper 22 182,12 x 257,05 (JB5) (JB5)
3,607583 [print] new ppd paper 23 182,12 x 257,05 (JB5.FB) (JB5.FB)
3,607587 [print] new ppd paper 24 182,00 x 257,00 (JB5.Duplex) (JB5.Duplex)
3,607592 [print] new ppd paper 26 184,15 x 266,70 (Executive.Duplex) (Executive.Duplex)
3,607596 [print] new ppd paper 28 215,90 x 279,40 (Letter.FB) (Letter.FB)
3,607601 [print] new ppd paper 29 215,90 x 279,40 (Letter.Duplex) (Letter.Duplex)
3,607605 [print] new ppd paper 30 215,90 x 279,40 (CardLetter) (CardLetter)
3,607609 [print] new ppd paper 31 215,90 x 279,40 (CardLetter.FB) (CardLetter.FB)
3,607614 [print] new ppd paper 34 210,06 x 296,93 (A4.FB) (A4.FB)
3,607618 [print] new ppd paper 35 210,00 x 297,00 (A4.Duplex) (A4.Duplex)
3,607623 [print] new ppd paper 36 210,06 x 296,93 (CardA4) (CardA4)
3,607627 [print] new ppd paper 37 210,06 x 296,93 (CardA4.FB) (CardA4.FB)
3,607631 [print] new ppd paper 39 127,00 x 177,80 (Photo2L) (Photo2L)
3,607635 [print] new ppd paper 40 127,00 x 177,80 (Photo2L.FB) (Photo2L.FB)
3,607640 [print] new ppd paper 41 203,20 x 254,00 (Photo8x10) (Photo8x10)
3,607644 [print] new ppd paper 42 203,20 x 254,00 (8x10.FB) (8x10.FB)
3,607648 [print] new ppd paper 46 92,20 x 165,10 (Env6) (Env6)
3,608982 [print] new media 0 (Plain) (Plain Paper)
3,608989 [print] new media 1 (Glossy) (HP Photo Papers)
3,608992 [print] new media 2 (CoatedBrochure) (HP Matte Brochure or Professional Paper)
3,608995 [print] new media 3 (CoatedMatte) (HP Matte Presentation Paper)
3,608998 [print] new media 4 (BrochureGlosy) (HP Glossy Brochure or Professional Paper)
3,609001 [print] new media 5 (FastGlossy) (Other photo inkjet papers)
3,609004 [print] new media 6 (Coated) (Other matte inkjet papers Paper)
3,609007 [print] new media 7 (Brochure) (Other glossy inkjet Paper)
3,632056 [print] new media paper 0 76,20 x 127,00 (na_index-3x5_3x5in) (3x5)
3,632075 [print] new media paper 3 89,92 x 204,98 (jpn_chou4_90x205mm) (EnvChou4)
3,632081 [print] new media paper 5 92,20 x 165,10 (na_personal_3.625x6.5in) (EnvPersonal)
3,632087 [print] new media paper 7 98,43 x 190,50 (na_monarch_3.875x7.5in) (EnvMonarch)
3,632091 [print] new media paper 8 99,84 x 148,17 (jpn_hagaki_100x148mm) (Postcard)
3,632097 [print] new media paper 14 101,60 x 152,40 (na_index-4x6_4x6in) (4x6)
3,632102 [print] new media paper 17 104,78 x 241,30 (na_number-10_4.125x9.5in) (Env10)
3,632107 [print] new media paper 18 104,90 x 148,08 (iso_a6_105x148mm) (A6)
3,632113 [print] new media paper 20 109,98 x 219,96 (iso_dl_110x220mm) (EnvDL)
3,632117 [print] new media paper 21 111,00 x 146,05 (na_a2_4.375x5.75in) (EnvA2)
3,632122 [print] new media paper 23 114,05 x 162,05 (iso_c6_114x162mm) (EnvC6)
3,632127 [print] new media paper 24 119,89 x 234,95 (jpn_chou3_120x235mm) (EnvChou3)
3,632131 [print] new media paper 25 127,00 x 177,80 (na_5x7_5x7in) (5x7)
3,632136 [print] new media paper 27 127,00 x 203,20 (na_index-5x8_5x8in) (5x8)
3,632141 [print] new media paper 31 139,70 x 215,90 (na_invoice_5.5x8.5in) (Statement)
3,632146 [print] new media paper 33 148,08 x 210,06 (iso_a5_148x210mm) (A5)
3,632151 [print] new media paper 35 162,05 x 229,11 (iso_c5_162x229mm) (EnvC5)
3,632159 [print] new media paper 38 176,02 x 249,94 (iso_b5_176x250mm) (ISOB5)
3,632164 [print] new media paper 40 182,00 x 257,00 (jis_b5_182x257mm) (B5)
3,632171 [print] new media paper 46 184,15 x 266,70 (na_executive_7.25x10.5in) (Executive)
3,632181 [print] new media paper 52 203,20 x 254,00 (na_govt-letter_8x10in) (8x10)
3,632186 [print] new media paper 54 210,00 x 297,00 (iso_a4_210x297mm) (A4)
3,632193 [print] new media paper 60 215,90 x 279,40 (na_letter_8.5x11in) (Letter)
3,632198 [print] new media paper 64 215,90 x 330,20 (na_foolscap_8.5x13in) (FanFoldGermanLegal)
3,632203 [print] new media paper 65 215,90 x 355,60 (na_legal_8.5x14in) (Legal)
3,633696 [print] new ppd paper 0 76,20 x 127,00 (Card3x5) (Card3x5)
3,633706 [print] new ppd paper 1 101,60 x 152,40 (Card4x6) (Card4x6)
3,633711 [print] new ppd paper 2 76,20 x 127,00 (Photo3x5) (Photo3x5)
3,633715 [print] new ppd paper 3 76,20 x 127,00 (Photo3x5.FB) (Photo3x5.FB)
3,633719 [print] new ppd paper 4 101,60 x 152,40 (Photo4x6) (Photo4x6)
3,633723 [print] new ppd paper 5 101,60 x 152,40 (Photo4x6.FB) (Photo4x6.FB)
3,633727 [print] new ppd paper 7 104,90 x 148,08 (A6.FB) (A6.FB)
3,633731 [print] new ppd paper 8 100,00 x 148,00 (Hagaki) (Hagaki)
3,633736 [print] new ppd paper 9 100,00 x 148,00 (Hagaki.FB) (Hagaki.FB)
3,633740 [print] new ppd paper 10 99,84 x 148,17 (Hagaki.Duplex) (Hagaki.Duplex)
3,633744 [print] new ppd paper 11 127,00 x 177,80 (Photo5x7) (Photo5x7)
3,633748 [print] new ppd paper 12 127,00 x 177,80 (Photo5x7.FB) (Photo5x7.FB)
3,633753 [print] new ppd paper 13 127,00 x 203,20 (Card5x8) (Card5x8)
3,633757 [print] new ppd paper 14 127,00 x 203,20 (Card5x8.FB) (Card5x8.FB)
3,633761 [print] new ppd paper 16 148,08 x 210,06 (A5.FB) (A5.FB)
3,633765 [print] new ppd paper 17 199,90 x 148,08 (Oufuku) (Oufuku)
3,633770 [print] new ppd paper 18 199,90 x 148,08 (Oufuku.FB) (Oufuku.FB)
3,633774 [print] new ppd paper 19 215,90 x 330,20 (8.5x13) (8.5x13)
3,633779 [print] new ppd paper 21 176,02 x 246,76 (B5.Duplex) (B5.Duplex)
3,633783 [print] new ppd paper 22 182,12 x 257,05 (JB5) (JB5)
3,633787 [print] new ppd paper 23 182,12 x 257,05 (JB5.FB) (JB5.FB)
3,633791 [print] new ppd paper 24 182,00 x 257,00 (JB5.Duplex) (JB5.Duplex)
3,633796 [print] new ppd paper 26 184,15 x 266,70 (Executive.Duplex) (Executive.Duplex)
3,633800 [print] new ppd paper 28 215,90 x 279,40 (Letter.FB) (Letter.FB)
3,633804 [print] new ppd paper 29 215,90 x 279,40 (Letter.Duplex) (Letter.Duplex)
3,633809 [print] new ppd paper 30 215,90 x 279,40 (CardLetter) (CardLetter)
3,633813 [print] new ppd paper 31 215,90 x 279,40 (CardLetter.FB) (CardLetter.FB)
3,633818 [print] new ppd paper 34 210,06 x 296,93 (A4.FB) (A4.FB)
3,633822 [print] new ppd paper 35 210,00 x 297,00 (A4.Duplex) (A4.Duplex)
3,633826 [print] new ppd paper 36 210,06 x 296,93 (CardA4) (CardA4)
3,633830 [print] new ppd paper 37 210,06 x 296,93 (CardA4.FB) (CardA4.FB)
3,633835 [print] new ppd paper 39 127,00 x 177,80 (Photo2L) (Photo2L)
3,633839 [print] new ppd paper 40 127,00 x 177,80 (Photo2L.FB) (Photo2L.FB)
3,633843 [print] new ppd paper 41 203,20 x 254,00 (Photo8x10) (Photo8x10)
3,633848 [print] new ppd paper 42 203,20 x 254,00 (8x10.FB) (8x10.FB)
3,633852 [print] new ppd paper 46 92,20 x 165,10 (Env6) (Env6)
3,635215 [print] new media 0 (Plain) (Plain Paper)
3,635222 [print] new media 1 (Glossy) (HP Photo Papers)
3,635226 [print] new media 2 (CoatedBrochure) (HP Matte Brochure or Professional Paper)
3,635231 [print] new media 3 (CoatedMatte) (HP Matte Presentation Paper)
3,635235 [print] new media 4 (BrochureGlosy) (HP Glossy Brochure or Professional Paper)
3,635240 [print] new media 5 (FastGlossy) (Other photo inkjet papers)
3,635244 [print] new media 6 (Coated) (Other matte inkjet papers Paper)
3,635249 [print] new media 7 (Brochure) (Other glossy inkjet Paper)
3,635342 [print] new printer HP-ENVY-4520-series found