Add of %source_extension and %header_extension which specify

the source or/and the header output file extension.
* src/files.c (compute_base_names): Remove initialisation of
src_extension and header_extension.
(compute_exts_from_gf): Update.
(compute_exts_from_src): Update.
(output_files): Update.
* src/reader.c (parse_header_extension_decl): New.
(parse_source_extension_decl): New.
(read_declarations): New case statements for the new tokens.
* src/lex.c (percent_table): Add entries for %source_extension
and %header_extension.
* src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.

po/nl.po

@@ -5,7 +5,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: bison 1.25\n"
-"POT-Creation-Date: 2001-08-03 11:38+0200\n"
+"POT-Creation-Date: 2001-08-06 10:50+0200\n"
 "PO-Revision-Date: 1996-08-27 15:34 MET DST\n"
 "Last-Translator: Erick Branderhorst <branderh@debian.org>\n"
 "Language-Team: Dutch <nl@li.org>\n"
@@ -212,7 +212,7 @@ msgid ""
 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
 msgstr ""
 
-#: src/getargs.c:202 src/lex.c:633
+#: src/getargs.c:202 src/lex.c:635
 #, c-format
 msgid "`%s' is no longer supported"
 msgstr ""
@@ -442,7 +442,7 @@ msgstr ""
 msgid "symbol %s redefined"
 msgstr "symbool %s opnieuw gedefinieerd"
 
-#: src/reader.c:534 src/reader.c:613 src/reader.c:674 src/reader.c:1231
+#: src/reader.c:534 src/reader.c:613 src/reader.c:674 src/reader.c:1277
 #, c-format
 msgid "type redeclaration for %s"
 msgstr "type herdeclaratie voor %s"
@@ -457,7 +457,7 @@ msgstr "`%s' is onjuist in %s"
 msgid "multiple %s declarations"
 msgstr "meerdere %start declaraties"
 
-#: src/reader.c:563 src/reader.c:1209
+#: src/reader.c:563 src/reader.c:1255
 #, fuzzy, c-format
 msgid "invalid %s declaration"
 msgstr "onjuiste %start declaratie"
@@ -486,7 +486,7 @@ msgstr "onjuiste tekst (%s) - nummer hoort na de identifier"
 msgid "unexpected item: %s"
 msgstr "onbekend item: %s"
 
-#: src/reader.c:759 src/reader.c:1035 src/reader.c:1106
+#: src/reader.c:759 src/reader.c:1081 src/reader.c:1152
 #, fuzzy, c-format
 msgid "unmatched %s"
 msgstr "niet overeenkomstige `{'"
@@ -506,103 +506,113 @@ msgstr "onbekend item %s, verwacht een identifier"
 msgid "expected string constant instead of %s"
 msgstr "verwacht string constante in plaats van %s"
 
-#: src/reader.c:951
+#: src/reader.c:888
+#, fuzzy, c-format
+msgid "multiple %%header_extension declarations"
+msgstr "meerdere %union declaraties"
+
+#: src/reader.c:908
+#, fuzzy, c-format
+msgid "multiple %%source_extension declarations"
+msgstr "meerdere %union declaraties"
+
+#: src/reader.c:997
 #, c-format
 msgid "unrecognized: %s"
 msgstr "onbekend: %s"
 
-#: src/reader.c:956
+#: src/reader.c:1002
 msgid "no input grammar"
 msgstr "geen invoer grammatica"
 
-#: src/reader.c:961
+#: src/reader.c:1007
 #, c-format
 msgid "unknown character: %s"
 msgstr "onbekend karakter: %s"
 
-#: src/reader.c:1129
+#: src/reader.c:1175
 #, fuzzy, c-format
 msgid "unterminated %guard clause"
 msgstr "niet getermineerde %%guard voorwaarde"
 
-#: src/reader.c:1296
+#: src/reader.c:1342
 msgid "ill-formed rule: initial symbol not followed by colon"
 msgstr ""
 "slecht geformuleerde regel: initieel symbool niet gevolgd door dubbele punt"
 
-#: src/reader.c:1303
+#: src/reader.c:1349
 msgid "grammar starts with vertical bar"
 msgstr "grammatica start met een verticale bar"
 
-#: src/reader.c:1334
+#: src/reader.c:1380
 #, c-format
 msgid "rule given for %s, which is a token"
 msgstr "regel geven voor %s, welke een teken is"
 
-#: src/reader.c:1436
+#: src/reader.c:1482
 msgid "two @prec's in a row"
 msgstr "twee @prec's in een regel"
 
-#: src/reader.c:1444
+#: src/reader.c:1490
 #, fuzzy, c-format
 msgid "%%guard present but %%semantic_parser not specified"
 msgstr "%%guard aanwezig maar %%semantic_parser niet gespecificeerd"
 
-#: src/reader.c:1453
+#: src/reader.c:1499
 msgid "two actions at end of one rule"
 msgstr "twee akties aan het einde van een regel"
 
-#: src/reader.c:1467
+#: src/reader.c:1513
 #, c-format
 msgid "type clash (`%s' `%s') on default action"
 msgstr "type clash (`%s' `%s') bij standaard aktie"
 
-#: src/reader.c:1473
+#: src/reader.c:1519
 msgid "empty rule for typed nonterminal, and no action"
 msgstr "lege regel voor getypte niet terminal, en geen aktie"
 
-#: src/reader.c:1517
+#: src/reader.c:1563
 #, c-format
 msgid "invalid input: %s"
 msgstr "ongeldige invoer: %s"
 
-#: src/reader.c:1525
+#: src/reader.c:1571
 #, fuzzy, c-format
 msgid "too many symbols (tokens plus nonterminals); maximum %d"
 msgstr "te veel symbolen (tekens plus nietterminals); maximum %s"
 
-#: src/reader.c:1528
+#: src/reader.c:1574
 msgid "no rules in the input grammar"
 msgstr "geen regels voor invoer grammatica"
 
-#: src/reader.c:1552
+#: src/reader.c:1598
 #, c-format
 msgid "symbol %s is used, but is not defined as a token and has no rules"
 msgstr ""
 "symbool %s is gebruikt, maar is niet gedefinieerd als een teken en\n"
 "heeft geen regels"
 
-#: src/reader.c:1657
+#: src/reader.c:1703
 #, c-format
 msgid "conflicting precedences for %s and %s"
 msgstr "conflictuerende precedentein voor %s en %s"
 
-#: src/reader.c:1669
+#: src/reader.c:1715
 #, c-format
 msgid "conflicting assoc values for %s and %s"
 msgstr "conflictuerende associatieve waarden voor %s en %s"
 
-#: src/reader.c:1720
+#: src/reader.c:1766
 #, c-format
 msgid "tokens %s and %s both assigned number %d"
 msgstr ""
 
-#: src/reader.c:1733
+#: src/reader.c:1779
 #, c-format
 msgid "the start symbol %s is undefined"
 msgstr ""
 
-#: src/reader.c:1735
+#: src/reader.c:1781
 #, c-format
 msgid "the start symbol %s is a token"
 msgstr "het start symbool %s is een token"
@@ -804,9 +814,6 @@ msgstr ""
 #~ msgid "unmatched right brace (`}')"
 #~ msgstr "niet overeenkomstig rechter haakje (`}')"
 
-#~ msgid "multiple %union declarations"
-#~ msgstr "meerdere %union declaraties"
-
 #~ msgid "unterminated comment at end of file"
 #~ msgstr "niet getermineerd commentaar aan einde van bestand"