adam@1458
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1 ========
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adam@1458
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2 20110515
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adam@1458
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3 ========
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adam@1458
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4
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adam@1458
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5 - Cygwin compatibility
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adam@1458
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6 - Compatibility with Gentoo packaging process, including a .ebuild file
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adam@1458
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7 - Change typing of SQL subqueries, to indicate that they may always return NULL
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adam@1458
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8 (for no rows)
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adam@1458
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9 - Syntactic sugar for GROUP BY with variable numbers of columns
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adam@1458
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10 (using 'tab.{{c}}', where 'c :: {Type}')
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adam@1458
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11 - 'ALL' for SQL relational operators
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adam@1458
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12 - Add nullable types to the class for valid operands for SQL arithmetic
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adam@1458
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13 - 'alt' attribute for <img>
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adam@1458
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14 - <sup> and <sub> HTML tags
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adam@1458
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15 - Allow 'debug' and 'naughtyDebug' in client-side code, implemented with 'alert'
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adam@1458
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16 - Bug fixes and optimization improvements
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adam@1458
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17
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adam@1400
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18 ========
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adam@1414
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19 20110123
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adam@1400
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20 ========
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adam@1400
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21
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adam@1400
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22 - Changes to encoding of SQL aggregate functions: nullable types may be
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adam@1400
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23 aggregated, and non-COUNT aggregates return nullable results.
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adam@1400
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24 - SQL subqueries may apply aggregate functions to columns bound in enclosing
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adam@1400
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25 queries.
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adam@1400
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26 - Switch from libmhash to OpenSSL.
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adam@1400
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27 - 'cdataChar', for injecting arbitrary character codes into XML
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adam@1400
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28 - 'crypt', for access to the standard UNIX password encryption routine
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adam@1400
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29 - 'readUtc', for parsing time strings in the UTC time zone
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adam@1400
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30 - Built-in 'time' type now stores microseconds (which for now are only used in
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adam@1400
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31 connection with Postgres timestamps).
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adam@1400
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32 - Client-side URL blessing and redirection
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adam@1400
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33 - 'currentUrlHasPost' function
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adam@1400
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34 - Transactional 'free' functions now passed an argument indicating whether the
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adam@1400
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35 runtime system expects to retry the transaction.
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adam@1400
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36 - Change tasks to allow task kind-specific inputs
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adam@1400
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37 - Add 'clientLeaves' and 'periodic' task kinds
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adam@1400
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38 - Support for externally-callable pages, via the 'postBody' and 'queryString'
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adam@1400
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39 types and the 'effectfulUrl' function
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adam@1400
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40 - 'minHeap' and 'alwaysInline' .urp options
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adam@1400
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41 - '-prefix' command-line option
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adam@1400
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42 - Comments in .urp files (lines starting with '#')
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adam@1400
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43 - Miscellaneous additions to the standard library
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adam@1400
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44 - Bug fixes and improvements to type inference and optimization
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adam@1400
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45
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adam@1287
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46 ========
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adam@1315
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47 20101102
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adam@1287
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48 ========
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adam@1287
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49
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adam@1287
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50 - Polymorphic variants (see Basis.variant)
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adam@1297
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51 - New 'onError' directive for .urp files
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adam@1287
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52 - (* *) and <!-- --> comments in XML
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adam@1297
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53 - Basis.classes, Basis.confirm, and Basis.tryDml
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adam@1309
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54 - New notations ::_ and :::_, for constructor parameters of unknown kind
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adam@1297
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55 - Invocations like 'urweb foo' will compile foo.ur as a single-file project,
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adam@1297
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56 even if no foo.urp exists
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adam@1309
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57 - '-limit' command-line flag and 'limit' .urp directive
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adam@1297
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58 - Bug fixes and optimization improvements
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adam@1287
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59
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adamc@1259
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60 ========
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adamc@1273
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61 20100603
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adamc@1259
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62 ========
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adamc@1259
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63
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adamc@1259
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64 - Changed URL escaping convention, to avoid confusing proxies.
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adamc@1259
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65 The new convention is like the normal one, but with '.' instead of '%'.
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adamc@1261
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66 - Changed JavaScript compilation of recursive functions to use thunks.
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adamc@1261
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67 This change avoids most costs of functions not referenced on particular
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adamc@1261
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68 pages, reducing loading time dramatically.
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adamc@1273
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69 - Support HTTP caching of application-specific JavaScript code
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adamc@1273
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70 - Bug fixes
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adamc@1259
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71
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adamc@1255
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72 ========
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adamc@1255
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73 20100506
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adamc@1255
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74 ========
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adamc@1255
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75
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adamc@1255
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76 - New experimental checker for information flow and access control policies
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adamc@1255
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77 (See demo at http://www.impredicative.com/ur/scdv/)
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adamc@1255
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78
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adamc@1197
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79 ========
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adamc@1197
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80 20100401
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adamc@1197
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81 ========
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adamc@1197
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82
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adamc@1197
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83 - Subquery expressions and FROM items
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adamc@1197
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84 - Low-level support for SELECT with no FROM clause
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adamc@1197
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85 - Fixes for DBMS-portability of relational operators
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adamc@1197
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86
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adamc@1183
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87 ========
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adamc@1190
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88 20100325
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adamc@1183
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89 ========
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adamc@1183
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90
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adamc@1188
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91 - -verbose flag
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adamc@1188
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92 - COUNT(col) SQL aggregate function
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adamc@1188
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93 - 'benignEffectful' and 'safeGet' .urp commands
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adamc@1188
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94 - Remove Basis.getRequestHeader, since it can be used to circumvent cookie
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adamc@1188
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95 security
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adamc@1190
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96 - Rename Top.foldR*X to map*X
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adamc@1188
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97 - Bug fixes and optimization improvements
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adamc@1183
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98
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adamc@1166
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99 ========
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adamc@1166
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100 20100213
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adamc@1166
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101 ========
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adamc@1166
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102
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adamc@1166
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103 - Improvements to 'configure'; should now fail if any uncommon but required
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adamc@1166
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104 package is missing
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adamc@1166
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105 - Other fixes to configuration, build system, and C code portability
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adamc@1166
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106 - sigfile .urp directive & -sigfile command-line option
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adamc@1166
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107 - .urp files with no directives no longer need to begin with blank lines.
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adamc@1166
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108 - Other bug fixes
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adamc@1166
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109
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adamc@1137
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110 ========
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adamc@1137
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111 20100130
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adamc@1137
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112 ========
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adamc@1137
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113
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adamc@1137
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114 - Conversion to an Automake-based build system, for greater portability in
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adamc@1137
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115 building shared libraries
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adamc@1137
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116 - -path and -root command-line flags
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adamc@1137
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117 - Exported page handling functions (i.e., those page-generating functions
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adamc@1137
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118 appearing in the main module's signature) may now take any number of
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adamc@1137
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119 arguments, including 0.
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adamc@1137
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120
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adamc@1123
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121 ========
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adamc@1123
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122 20100112
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adamc@1123
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123 ========
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adamc@1123
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124
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adamc@1123
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125 - Basis.serialized type family, for storing more types in the database
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adamc@1123
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126 - Basis.textBlob, for building blobs from strings
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adamc@1123
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127 - Basis.debug function, for server-side debug printing
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adamc@1123
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128 - Bug fixes & optimization improvements
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adamc@1123
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129
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adamc@1065
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130 ========
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adamc@1103
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131 20091230
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adamc@1065
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132 ========
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adamc@1065
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133
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adamc@1093
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134 - Automatic insertion of implicit arguments in more positions
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adamc@1065
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135 - Reifying expressions as URLs and redirecting to them explicitly
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adamc@1070
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136 - More syntactic sugar for SQL
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adamc@1070
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137 - Typing of SQL queries no longer exposes which tables were used in joins but
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adamc@1070
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138 had none of their fields projected
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adamc@1075
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139 - Tasks
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adamc@1095
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140 - Dynamic linking of the runtime system
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adamc@1077
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141 - Optimization improvements
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adamc@1103
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142 - Bug fixes
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adamc@1065
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143
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adamc@1050
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144 ========
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adamc@1056
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145 20091203
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adamc@1050
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146 ========
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adamc@1050
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147
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adamc@1050
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148 - Extended cookie interface (breaks backward compatibility for 'setCookie')
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adamc@1050
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149 - Bug fixes
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adamc@1056
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150 - Extended UTF-8 characters in HTML
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adamc@1050
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151
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adamc@1043
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152 ========
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adamc@1043
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153 20091124
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adamc@1043
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154 ========
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adamc@1043
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155
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adamc@1043
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156 - Improved Internet Explorer compatibility
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adamc@1043
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157
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adamc@1020
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158 ========
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adamc@1033
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159 20091108
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adamc@1020
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160 ========
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adamc@1020
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161
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adamc@1020
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162 - Bug fixes
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adamc@1020
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163 - Optimization improvements
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adamc@1021
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164 - Removed a restriction that prevented some RPCs and calls to sleep or recv
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adamc@1021
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165 from compiling
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adamc@1020
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166
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adamc@999
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167 ========
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adamc@999
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168 20091012
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adamc@999
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169 ========
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adamc@999
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170
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adamc@999
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171 - Small bug fixes affecting MySQL and SQLite
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adamc@999
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172
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adamc@988
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173 ========
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adamc@997
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174 20091009
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adamc@988
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175 ========
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adamc@988
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176
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adamc@988
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177 - Bug fixes
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adamc@988
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178 - Improvement to choice of line number to cite in record unification error
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adamc@988
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179 messages
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adamc@994
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180 - SELECT DISTINCT
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adamc@996
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181 - New extra demos: orm1 and versioned1
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adamc@988
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182
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adamc@985
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183 ========
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adamc@985
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184 20090926
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adamc@985
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185 ========
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adamc@985
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186
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adamc@985
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187 - Reimplemented client-side code generation to use an interpreter, rather than
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adamc@985
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188 compilation to JavaScript; this avoids common browser flaws: lack of
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adamc@985
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189 optimization of tail calls and occasional bugs in closure handling.
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adamc@985
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190 - Bug fixes
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adamc@985
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191
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adamc@968
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192 ========
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adamc@968
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193 20090919
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adamc@968
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194 ========
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adamc@968
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195
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adamc@968
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196 - Bug fixes
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adamc@968
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197 - Optimization improvements
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adamc@968
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198 - Expanded grid demo in demo/more: optional columns, sorting, filtering,
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adamc@968
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199 paging, selecting rows, aggregate row
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adamc@968
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200
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adamc@929
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201 ========
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adamc@929
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202 20090912
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adamc@929
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203 ========
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adamc@929
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204
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adamc@929
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205 - Bug fixes
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adamc@929
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206 - Optimization improvements
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adamc@929
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207 - New set of extra demos in demo/more
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adamc@929
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208
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adamc@914
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209 ========
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adamc@914
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210 20090825
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adamc@914
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211 ========
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adamc@914
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212
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adamc@914
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213 - Many bug fixes
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adamc@914
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214 - Remote procedure calls must be marked with the new 'rpc' function.
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adamc@914
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215 - Some tweaks to enable usage on OSX (suggested by Paul Snively)
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adamc@914
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216
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adamc@897
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217 ========
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adamc@897
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218 20090718
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adamc@897
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219 ========
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adamc@897
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220
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adamc@897
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221 - New application protocols: CGI and FastCGI
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adamc@897
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222 - New database backends: MySQL and SQLite
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adamc@897
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223 - More JavaScript events added to tags in standard library
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adamc@897
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224 - New manual section on using the foreign function interface (FFI)
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adamc@897
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225
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adamc@852
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226 ========
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adamc@852
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227 20090623
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adamc@852
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228 ========
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adamc@852
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229
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adamc@852
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230 - Many bug fixes
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adamc@852
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231 - Mutually-recursive datatypes
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adamc@852
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232 - SML-style pattern-matching syntax for "fun", "fn", and local "val"
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adamc@852
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233 - Backwards-incompatible change to syntax of formal constructor parameters to
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adamc@852
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234 value-level functions, to support the previous change
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adamc@852
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235 - Path map support inspired by SML/NJ CM and MLton ML Basis
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adamc@852
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236 - Start of some new standard library modules
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adamc@852
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237 - Some improvements to JavaScript runtime, including better error handling
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adamc@852
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238
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adamc@716
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239 ========
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adamc@790
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240 20090505
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adamc@716
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241 ========
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adamc@716
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242
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adamc@716
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243 - Reimplement constructor class resolution to be more general and Prolog-like
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adamc@716
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244 - SQL table constraints
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adamc@770
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245 - URLs
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adamc@736
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246 - Client-side error handling callbacks
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adamc@736
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247 - CSS
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adamc@736
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248 - Signing cookie values cryptographically to thwart cross site request forgery
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adamc@744
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249 - Blobs and HTTP file upload
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adamc@752
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250 - SQL outer joins
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adamc@755
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251 - SQL views
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adamc@756
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252 - Subforms
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adamc@768
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253 - C and JavaScript FFI
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adamc@768
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254 - Path rewriting
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adamc@716
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255
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adamc@702
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256 ========
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adamc@702
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257 20090405
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adamc@702
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258 ========
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adamc@702
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259
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adamc@702
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260 - Asynchronous message-passing and the associated server-side client
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adamc@702
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261 bookkeeping
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adamc@702
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262 - Reimplement parts of the client-side runtime system to avoid space leaks
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adamc@702
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263 - spawn and sleep
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adamc@702
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264 - Expand the constructor class instance rule format
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adamc@702
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265
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adamc@663
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266 ========
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adamc@663
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267 20090312
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adamc@663
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268 ========
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adamc@663
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269
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adamc@663
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270 - Replace type-level "fold" with "map"
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adamc@663
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271 - Replace expression-level "fold" with folders, defined in Top and
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adamc@663
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272 supported by some special compiler inference
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adamc@663
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273 - Replace guarded constructors with guarded types, introduced only by
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adamc@663
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274 guarded expression abstraction, and with a new explicit application form
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adamc@663
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275 - Kind polymorphism
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adamc@663
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276 - Generalize type classes to constructor classes
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adamc@663
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277 - Initial compilation of client-side code to JavaScript
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adamc@663
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278 - Initial support for mixed client- and server-side programming (i.e., "AJAX")
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adamc@665
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279 - src/coq: Coq formalization of a core Ur-like calculus
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adamc@663
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280
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adamc@506
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281 ========
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adamc@561
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282 20081209
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adamc@506
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283 ========
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adamc@506
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284
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adamc@506
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285 - Optimization: Fusing page writes with calls to recursive functions
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adamc@523
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286 - Optimization of bottleneck compiler phases
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adamc@561
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287 - Reference manual
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adamc@561
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288 - SQL arithmetic operators
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adamc@506
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289
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adamc@504
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290 ========
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adamc@504
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291 20081120
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adamc@504
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292 ========
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adamc@504
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293
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adamc@504
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294 - Fix bug that sometimes led to omission of initial "<html>" in pages
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adamc@504
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295 - Take advantage of nested functions in some demos
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adamc@504
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296 - "profile" option that may appear in .urp files, to enable gprof profiling
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adamc@663
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297 - "-guided-demo" option that works like "-demo" but uses less screen space for
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adamc@663
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298 prose
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adamc@504
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299
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adamc@467
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300 ========
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adamc@497
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301 20081118
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adamc@467
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302 ========
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adamc@467
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303
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adamc@467
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304 - Nested function definitions
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adamc@467
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305 - Primitive "time" type
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adamc@467
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306 - Nullable SQL columns (via "option")
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adamc@467
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307 - Cookies
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adamc@663
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308 - Compiler: Specialization of functions to known arguments (especially of
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adamc@663
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309 function type)
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adamc@467
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310
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adamc@435
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311 ========
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adamc@435
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312 20081028
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adamc@435
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313 ========
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adamc@435
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314
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adamc@435
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315 - Add GCCARGS configure option
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adamc@435
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316
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adamc@433
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317 ========
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adamc@433
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318 20081027
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adamc@433
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319 ========
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adamc@433
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320
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adamc@433
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321 - On missing inputs, print an error message, but don't exit the web server.
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adamc@434
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322 - Remove need for "() <-" notation.
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adamc@433
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323
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adamc@433
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324 ========
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adamc@433
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325 20081026
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adamc@433
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326 ========
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adamc@433
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327
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adamc@433
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328 - Change 'sed' call to work on OSX.
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adamc@433
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329 - Avoid including or linking libpq files on apps that don't use SQL.
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