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fire for inputs that do not overflow.
* match.c (search_form): Fixed incorrect loop test which could
lead to nonterminating behavior.
* RELNOTES: Updated.
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of text and regular expressions, that whole mixture is
considered to follow the variable and used for matching.
The earlier semantics change whereby a single unescaped
space denotes the regular expression / +/ broke the
simple case @a word. It caused the @a to be followed
not by the text " word" but by just the regular expression
element.
With this change @a word means that a is followed by
the regex / +/ and "word".
* match.c (text_s): New symbol variable.
(h_text): New function.
(syms_init): Initialize new symbol variable.
(dir_tables_init): Hook h_text into horizontal directives table.
* match.h (text_s): Declared.
* parser.y (text, texts): New nonterminals.
(elem): TEXT, SPACE and regex are now handled under texts
grammar production. All texts are run together and produce
an item which looks like (text items ...).
* txr.1, RELNOTES: Updated.
* txr.c (remove_hash_bang_line): Updated to find #! buried
in (text ...) syntax.
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position after the end of the line, otherwise we can never match
@(eol).
(h_eol): Bugfix: do not return t, but the line length.
* txr.1: Warn users about @var@(bind ...) pitfall.
* RELNOTES: Updated.
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* match.c (h_coll, v_collect): Only throw an error about
missing required variables if the collect iteration collected some new
variables. This allows strict collects with :vars to have
some cases which explicitly match and skip unwanted material,
without binding variables. Also, print all missing variables in the
diagnostic.
* txr.1: Mention this special exception.
* RELNOTES: Updated.
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